{"id":1022,"date":"2023-04-12T19:41:12","date_gmt":"2023-04-12T10:41:12","guid":{"rendered":"http:\/\/edu.ujhb.org\/?p=1022"},"modified":"2023-04-12T19:41:12","modified_gmt":"2023-04-12T10:41:12","slug":"sql%e5%85%a5%e9%96%80%ef%bc%88%e6%97%a5%e6%9c%ac%e8%aa%9e%ef%bc%89","status":"publish","type":"post","link":"https:\/\/edu.ujhb.org\/?p=1022","title":{"rendered":"SQL\u5165\u9580\uff08\u65e5\u672c\u8a9e\uff09"},"content":{"rendered":"\n<p>IT\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u30d3\u30c7\u30aa\u3092\u3084\u308a\u305f\u3044\u306e\u3067\u3059\u304c\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u5fdc\u3058\u3066\u30d3\u30c7\u30aa\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u30c6\u30ad\u30b9\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u914d\u7f6e\u3057\u3066\u3044\u305f\u3060\u3051\u307e\u3059\u304b\u3002 SQL\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3001\u305d\u3057\u3066\u3042\u306a\u305f\u306f\u79c1\u306b\u30ab\u30d0\u30fc\u3059\u308b\u3082\u306e\u306e\u30ea\u30b9\u30c8\u3092\u4e0e\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3082\u3061\u308d\u3093\u3001SQL\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u30c6\u30ad\u30b9\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6574\u7406\u3059\u308b\u306e\u3092\u624b\u4f1d\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u3053\u3067\u306f\u3001\u30cb\u30fc\u30ba\u3068\u76ee\u6a19\u306b\u5408\u308f\u305b\u3066\u62e1\u5f35\u3057\u3066\u9069\u5fdc\u3067\u304d\u308b\u57fa\u672c\u7684\u306a\u30c8\u30d4\u30c3\u30af\u3068\u30dd\u30a4\u30f3\u30c8\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>SQL \u306e\u57fa\u672c<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SQL\u306e\u5b9a\u7fa9\u3068\u6b74\u53f2<\/li>\n\n\n\n<li>SQL\u306e\u5206\u985e\u3068\u5fdc\u7528\u5206\u91ce<\/li>\n\n\n\n<li>SQL \u6a19\u6e96\u3068\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0 (DBMS) \u306e\u9055\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>SQL \u30c7\u30fc\u30bf\u30fb\u30bf\u30a4\u30d7<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u5024\u578b<\/li>\n\n\n\n<li>\u6587\u5b57\u5217\u578b<\/li>\n\n\n\n<li>\u65e5\u4ed8\u3068\u6642\u523b\u306e\u7a2e\u985e<\/li>\n\n\n\n<li>\u30d6\u30fc\u30eb\u578b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>SQL \u30c7\u30fc\u30bf \u30af\u30a8\u30ea<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u69cb\u6587<\/li>\n\n\n\n<li>WHERE \u53e5\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u6ce8\u6587\u53e5\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>LIMIT \u53e5\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u30b0\u30eb\u30fc\u30d7\u5316\u53e5\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>HAVINGG\u6761\u9805\u306e\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>SQL \u30c7\u30fc\u30bf\u306e\u66f4\u65b0<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>INSERT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u69cb\u6587<\/li>\n\n\n\n<li>UPDATE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u69cb\u6587<\/li>\n\n\n\n<li>DELETE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u69cb\u6587<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>SQL \u30c6\u30fc\u30d6\u30eb\u306e\u8a2d\u8a08<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d1\u30e9\u30c0\u30a4\u30e0\u306e\u6982\u5ff5<\/li>\n\n\n\n<li>\u57fa\u672c\u7684\u306a\u8a2d\u8a08\u539f\u5247<\/li>\n\n\n\n<li>\u4e3b\u30ad\u30fc\u3001\u5916\u90e8\u30ad\u30fc\u3001\u304a\u3088\u3073\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u30d3\u30e5\u30fc\u306e\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>SQL \u306e\u9ad8\u5ea6\u306a\u30c8\u30d4\u30c3\u30af<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u7d50\u5408\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u96c6\u8a08\u95a2\u6570\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3068\u95a2\u6570\u306e\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u304c\u3001\u5305\u62ec\u7684\u306a SQL \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u8a08\u753b\u306e\u4f5c\u6210\u306b\u5f79\u7acb\u3064\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u306e\u5b9a\u7fa9\u3068\u6b74\u53f2\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL(\u69cb\u9020\u5316\u7167\u4f1a\u8a00\u8a9e)\u306f\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u5316\u3055\u308c\u305f\u8a00\u8a9e\u3067\u3059\u3002 \u3053\u308c\u306f\u3001\u7c73\u56fd\u898f\u683c\u5354\u4f1a(ANSI)\u304a\u3088\u3073\u56fd\u969b\u6a19\u6e96\u5316\u6a5f\u69cb(ISO)\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u304a\u3088\u3073\u4fdd\u5b88\u3055\u308c\u3066\u304a\u308a\u3001\u6700\u3082\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u8a00\u8a9e\u306e1\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>SQL\u306e\u6b74\u53f2\u306f\u524d\u4e16\u7d00\u306e70\u5e74\u4ee3\u306b\u3055\u304b\u306e\u307c\u308a\u307e\u3059\u3002 \u5f53\u6642\u3001IBM\u306e\u7814\u7a76\u8005\u3067\u3042\u308b\u30a8\u30c9\u30ac\u30fcF.\u30b3\u30c3\u30c9\u306f\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6982\u5ff5\u3092\u63d0\u6848\u3057\u30011970\u5e74\u306b\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30e2\u30c7\u30eb\u306e\u7406\u8ad6\u7684\u57fa\u790e\u3092\u8a73\u8ff0\u3057\u305f\u8ad6\u6587\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002 \u4eca\u5f8c\u6570\u5e74\u9593\u3067\u3001\u3044\u304f\u3064\u304b\u306e\u4f01\u696d\u3084\u7814\u7a76\u6a5f\u95a2\u304c\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0(RDBMS)\u306e\u7814\u7a76\u958b\u767a\u3092\u958b\u59cb\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u904e\u7a0b\u3067\u3001IBM\u306eQUEL\u3084SQL\/DS\u3001\u30ed\u30f3\u30c9\u30f3\u5927\u5b66\u306eIngres\u3084SQL Databus\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u30af\u30a8\u30ea\u8a00\u8a9e\u304c\u958b\u767a\u3055\u308c\u3001\u4f7f\u7528\u3055\u308c\u307e\u3057\u305f\u3002 \u3053\u308c\u3089\u306e\u8a00\u8a9e\u306f\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u7279\u6027\u3068\u69cb\u6587\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u57fa\u672c\u7684\u306a\u76ee\u6a19\u306f\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u304a\u3088\u3073\u7167\u4f1a\u3059\u308b\u305f\u3081\u306e\u6a19\u6e96\u7684\u3067\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u52b9\u7387\u7684\u306a\u65b9\u6cd5\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a00\u8a9e\u306e\u591a\u69d8\u6027\u3068\u6a19\u6e96\u5316\u306e\u6b20\u5982\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001ANSI\u306f1986\u5e74\u306b\u6700\u521d\u306eSQL\u6a19\u6e96\u3092\u958b\u767a\u3057\u307e\u3057\u305f\u3002 \u3053\u306e\u6a19\u6e96\u306f\u3001IBM \u306e SQL\/DS \u30b7\u30b9\u30c6\u30e0\u306b\u57fa\u3065\u3044\u3066\u304a\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u30fb\u30bf\u30a4\u30d7\u3001\u7167\u4f1a\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3001\u30c7\u30fc\u30bf\u66f4\u65b0\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u3001\u304a\u3088\u3073\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u306e\u4ed5\u69d8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002 \u305d\u306e\u5f8c\u3001ISO \u3068 ANSI \u306f\u3044\u304f\u3064\u304b\u306e SQL \u6a19\u6e96\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u3001SQL \u3092\u5e83\u304f\u53d7\u3051\u5165\u308c\u3089\u308c\u305f\u6c4e\u7528\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u8a00\u8a9e\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u4eca\u65e5\u3001Oracle\u3001MySQL\u3001PostgreSQL\u3001Microsoft SQL Server\u3001SQLite\u306a\u3069\u3001\u307b\u3068\u3093\u3069\u3059\u3079\u3066\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u304cSQL\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002 SQL\u306e\u6a19\u6e96\u5316\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u3068\u7ba1\u7406\u8005\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u30c7\u30fc\u30bf\u3092\u7c21\u5358\u306b\u7ba1\u7406\u304a\u3088\u3073\u30af\u30a8\u30ea\u3057\u3066\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u7ba1\u7406\u3092\u5b9f\u73fe\u3067\u304d\u308b\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u6a19\u6e96\u3068\u5404\u7a2e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0(DBMS)\u306e\u9055\u3044\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>SQL \u306f\u6a19\u6e96\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u8a00\u8a9e\u3067\u3059\u304c\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0 (DBMS) \u306e\u9593\u306b\u306f\u4f9d\u7136\u3068\u3057\u3066\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u9055\u3044\u306f\u3001SQL\u6a19\u6e96\u306e\u5b9f\u88c5\u3068DBMS\u306e\u6a5f\u80fd\u62e1\u5f35\u3068\u3044\u30462\u3064\u306e\u4e3b\u8981\u306a\u5074\u9762\u304b\u3089\u751f\u3058\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u6a19\u6e96\u306e\u5b9f\u88c5\u306e\u9055\u3044: SQL \u6a19\u6e96\u306f ISO \u3084 ANSI \u306a\u3069\u306e\u7d44\u7e54\u306b\u3088\u3063\u3066\u958b\u767a\u304a\u3088\u3073\u4fdd\u5b88\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u3055\u307e\u3056\u307e\u306a DBMS \u30d9\u30f3\u30c0\u30fc\u306b\u3088\u3063\u3066\u3053\u308c\u3089\u306e\u6a19\u6e96\u306e\u5b9f\u88c5\u65b9\u6cd5\u304c\u7570\u306a\u308a\u307e\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u540c\u3058 SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3068\u304d\u306b\u3001\u7570\u306a\u308b DBMS \u304c\u7570\u306a\u308b\u7d50\u679c\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u4e00\u90e8\u306e DBMS \u306f\u3001\u7279\u5b9a\u306e SQL \u6a19\u6e96\u3067\u6307\u5b9a\u3055\u308c\u305f\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u307e\u305f\u306f\u95a2\u6570\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3084\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068\u95a2\u6570\u306e\u69cb\u6587\u304c\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>DBMS \u306e\u6a5f\u80fd\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306e\u9055\u3044: SQL \u306f\u6c4e\u7528\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u8a00\u8a9e\u3067\u3059\u304c\u3001\u7279\u5b9a\u306e\u6a5f\u80fd\u62e1\u5f35\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u307e\u3056\u307e\u306a DBMS \u3067\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u62e1\u5f35\u6a5f\u80fd\u306b\u306f\u3001\u7279\u6b8a\u306a\u95a2\u6570\u3001\u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3001\u30c8\u30ea\u30ac\u30fc\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u7a2e\u985e\u306a\u3069\u3092\u542b\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u62e1\u5f35\u6a5f\u80fd\u306f\u3001DBMS \u306e\u6a5f\u80fd\u3092\u5927\u5e45\u306b\u5f37\u5316\u3067\u304d\u307e\u3059\u304c\u3001\u7570\u306a\u308b DBMS \u9593\u3067\u306e\u30c7\u30fc\u30bf\u306e\u8ee2\u9001\u3068\u79fb\u884c\u3092\u3088\u308a\u56f0\u96e3\u306b\u3059\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u305f\u304c\u3063\u3066\u3001SQL\u6a19\u6e96\u304c\u5b58\u5728\u3059\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u7570\u306a\u308bDBMS\u9593\u306b\u306f\u307e\u3060\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u9055\u3044\u3092\u7406\u89e3\u3057\u3001\u6700\u9069\u306aDBMS\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u306f\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u7ba1\u7406\u3092\u53ef\u80fd\u306b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u305f\u3081\u3001\u91cd\u8981\u3067\u3059\u3002 \u540c\u6642\u306b\u3001\u6c4e\u7528 SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u8a18\u8ff0\u3057\u3001\u7279\u5b9a\u306e DBMS \u306b\u4f9d\u5b58\u3059\u308b\u62e1\u5f35\u6a5f\u80fd\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u3082\u3001DBMS \u9593\u306e\u9055\u3044\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u306e\u5206\u985e\u3068\u5fdc\u7528\u5206\u91ce\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL\u306f\u3001\u305d\u306e\u76ee\u7684\u3068\u5b9f\u884c\u65b9\u6cd5\u306b\u5fdc\u3058\u3066\u5206\u985e\u3067\u304d\u307e\u3059\u3002 \u76ee\u7684\u306b\u5fdc\u3058\u3066\u3001SQL\u306f\u6b21\u306e3\u3064\u306e\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u5b9a\u7fa9\u8a00\u8a9e (DDL) \ud83d\ude00 DL \u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3001\u5909\u66f4\u3001\u304a\u3088\u3073\u524a\u9664\u3059\u308b\u305f\u3081\u306e SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u3059\u3002 \u3053\u308c\u3089\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u3001\u30d3\u30e5\u30fc\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001\u5236\u7d04\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002 \u4e00\u822c\u7684\u306a DDL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u306f\u3001CREATE\u3001ALTER\u3001\u304a\u3088\u3073 DROP \u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u64cd\u4f5c\u8a00\u8a9e (DML) \ud83d\ude00 ML \u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u3059\u3002 \u3053\u308c\u3089\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u306e\u633f\u5165\u3001\u66f4\u65b0\u3001\u524a\u9664\u3001\u304a\u3088\u3073\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u3068\u7d50\u679c\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4e00\u822c\u7684\u306a DML \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u306f\u3001\u9078\u629e\u3001\u633f\u5165\u3001\u66f4\u65b0\u3001\u304a\u3088\u3073\u524a\u9664\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u5236\u5fa1\u8a00\u8a9e (DCL) \ud83d\ude00 CL \u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30fb\u30e6\u30fc\u30b6\u30fc\u30fb\u30a2\u30af\u30bb\u30b9\u304a\u3088\u3073\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u3059\u3002 \u3053\u308c\u3089\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u306f\u3001\u8a31\u53ef\u3001\u53d6\u308a\u6d88\u3057\u3001\u304a\u3088\u3073\u30b3\u30df\u30c3\u30c8\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5b9f\u884c\u65b9\u6cd5\u306b\u5fdc\u3058\u3066\u3001SQL\u306f\u6b21\u306e2\u3064\u306e\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30c1 SQL: \u30d0\u30c3\u30c1 SQL \u306f\u3001\u4e00\u9023\u306e SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4e00\u5ea6\u306b\u9001\u4fe1\u3057\u3001\u4e00\u5ea6\u306b\u8907\u6570\u306e\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001\u30d0\u30c3\u30c1 \u30c7\u30fc\u30bf\u51e6\u7406\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u5fa9\u5143\u306a\u3069\u306e\u30bf\u30b9\u30af\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5bfe\u8a71\u578b SQL: \u5bfe\u8a71\u578b SQL \u306f\u3001SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092 1 \u3064\u305a\u3064\u9001\u4fe1\u3057\u3001\u5404\u6587\u306e\u5b9f\u884c\u7d50\u679c\u3092\u5f85\u3064\u65b9\u6cd5\u3067\u3059\u3002 \u3053\u306e\u65b9\u6cd5\u306f\u3001\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u30011 \u3064\u306e\u30ec\u30b3\u30fc\u30c9\u306e\u633f\u5165\u3001\u66f4\u65b0\u306a\u3069\u306e\u30bf\u30b9\u30af\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>SQL\u306f\u5e45\u5e83\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u307b\u3068\u3093\u3069\u3059\u3079\u3066\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u304cSQL\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002 SQL \u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9818\u57df\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406:SQL\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u30c7\u30fc\u30bf\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3001\u5909\u66f4\u3001\u524a\u9664\u3001\u304a\u3088\u3073\u30af\u30a8\u30ea\u3059\u308b\u305f\u3081\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306e\u30b3\u30a2\u8a00\u8a9e\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u5206\u6790: SQL \u3092\u4f7f\u7528\u3057\u3066\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u30af\u30a8\u30ea\u304a\u3088\u3073\u51e6\u7406\u3067\u304d\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf \u30a2\u30ca\u30ea\u30b9\u30c8\u3084\u30d3\u30b8\u30cd\u30b9 \u30e6\u30fc\u30b6\u30fc\u306f\u3001\u9069\u5207\u306a\u30d3\u30b8\u30cd\u30b9\u4e0a\u306e\u610f\u601d\u6c7a\u5b9a\u3092\u884c\u3046\u305f\u3081\u306b\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u3059\u3070\u3084\u304f\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>Web\u958b\u767a:SQL\u306f\u3001e\u30b3\u30de\u30fc\u30b9Web\u30b5\u30a4\u30c8\u3001\u30bd\u30fc\u30b7\u30e3\u30eb\u30e1\u30c7\u30a3\u30a2\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30d5\u30a9\u30fc\u30e9\u30e0\u306a\u3069\u306eWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u304a\u3088\u3073\u4fdd\u5b58\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e2\u30d0\u30a4\u30eb \u30a2\u30d7\u30ea: SQL \u306f\u3001\u958b\u767a\u8005\u304c\u30e2\u30d0\u30a4\u30eb \u30a2\u30d7\u30ea\u3092\u4ecb\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3067\u3001\u5f37\u529b\u306a\u30e2\u30d0\u30a4\u30eb \u30a2\u30d7\u30ea\u3092\u69cb\u7bc9\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4eba\u5de5\u77e5\u80fd:SQL\u3092\u4f7f\u7528\u3057\u3066\u3001\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3068\u30c6\u30b9\u30c8\u306b\u5fc5\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3042\u308b\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304b\u3089\u6709\u7528\u306a\u60c5\u5831\u3092\u62bd\u51fa\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u306e\u6570\u5024\u578b\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u6570\u5024\u578b\u3092\u4f7f\u7528\u3057\u3066\u6570\u5024\u30c7\u30fc\u30bf\u3092\u8868\u3057\u3001\u57fa\u672c\u7684\u306a\u7b97\u8853\u6f14\u7b97\u3068\u6bd4\u8f03\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002 SQL \u306f\u3055\u307e\u3056\u307e\u306a\u6570\u5024\u578b\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u72ec\u81ea\u306e\u30b5\u30a4\u30ba\u7bc4\u56f2\u3068\u7cbe\u5ea6\u30ec\u30d9\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u6570\u5024\u578b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6574\u6570(\u6574\u6570\u307e\u305f\u306fINT):\u6574\u6570\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u3055\u307e\u3056\u307e\u306a\u30b5\u30a4\u30ba\u3068\u7bc4\u56f2\u306e\u6574\u6570\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 SQL \u3067\u306f\u3001INT \u578b\u306f\u901a\u5e38 4 \u30d0\u30a4\u30c8 (32 \u30d3\u30c3\u30c8) \u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3001-2147483648 \u304b\u3089 2147483647 \u307e\u3067\u306e\u5024\u3092\u683c\u7d0d\u3067\u304d\u307e\u3059\u3002 \u4e00\u90e8\u306e DBMS \u3067\u306f\u3001TINYINT \u3084 SMALLINT \u306a\u3069\u3001\u305d\u308c\u305e\u308c 1 \u30d0\u30a4\u30c8\u3068 2 \u30d0\u30a4\u30c8\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u5c0f\u3055\u306a\u6574\u6570\u578b\u3082\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>10\u9032\u6570\u307e\u305f\u306f\u6570\u5024:2\u9032\u6570\u306f\u300110\u9032\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 SQL \u3067\u306f\u3001decimal \u578b\u306e\u7cbe\u5ea6\u306f\u56fa\u5b9a\u3055\u308c\u3001\u5c0f\u6570\u70b9\u306e\u53f3\u5074\u306e\u6841\u6570\u304c\u6307\u5b9a\u3055\u308c\u3001\u6570\u5024\u578b\u306e\u7cbe\u5ea6\u306f variable \u3067\u3001\u5408\u8a08\u6841\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001DECIMAL(2,10) \u306f 5 \u6841\u306e\u6841\u3092\u683c\u7d0d\u3067\u304d\u300110 \u6841\u306f\u5c0f\u6570\u90e8\u3067\u3059\u304c\u3001NUMERIC(5,&lt;&gt;) \u306f &lt;&gt; \u6841\u3092\u683c\u7d0d\u3067\u304d\u3001&lt;&gt; \u6841\u306f\u5c0f\u6570\u90e8\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u307e\u305f\u306f\u500d\u7cbe\u5ea6\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570: \u6d6e\u52d5\u5c0f\u6570\u70b9\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u305d\u306e\u7cbe\u5ea6\u3068\u7bc4\u56f2\u306f 4 \u9032\u6570\u3088\u308a\u3082\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002 SQL \u3067\u306f\u3001FLOAT \u578b\u306f\u901a\u5e38\u300132 \u30d0\u30a4\u30c8 (8 \u30d3\u30c3\u30c8) \u307e\u305f\u306f 64 \u30d0\u30a4\u30c8 (3 \u30d3\u30c3\u30c8) \u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3001-4.38E3 \u304b\u3089 4.38E8 \u307e\u3067\u306e\u5024\u3092\u683c\u7d0d\u3067\u304d\u307e\u3059\u3002 DOUBLE \u578b\u306f\u901a\u5e38\u300164 \u30d0\u30a4\u30c8 (&lt;&gt; \u30d3\u30c3\u30c8) \u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u3088\u308a\u5e83\u3044\u7bc4\u56f2\u306e\u6570\u5024\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8\u578b (\u30d3\u30c3\u30c8\u307e\u305f\u306f\u30d6\u30fc\u30eb\u5024): \u30d3\u30c3\u30c8\u578b\u306f\u3001\u30d0\u30a4\u30ca\u30ea \u30d3\u30c3\u30c8 \u30c7\u30fc\u30bf\u307e\u305f\u306f\u30d6\u30fc\u30eb\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 BIT \u578b\u306f 1 \u307e\u305f\u306f 0\u3001\u307e\u305f\u306f\u4e00\u9023\u306e\u30d0\u30a4\u30ca\u30ea \u30d3\u30c3\u30c8\u3092\u683c\u7d0d\u3067\u304d\u307e\u3059\u304c\u3001\u30d6\u30fc\u30eb\u578b\u306f TRUE \u307e\u305f\u306f FALSE \u3092\u683c\u7d0d\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b7\u30fc\u30b1\u30f3\u30b9\u30bf\u30a4\u30d7(\u30b7\u30ea\u30a2\u30eb\u307e\u305f\u306fID):\u30b7\u30fc\u30b1\u30f3\u30b9\u30bf\u30a4\u30d7\u306f\u3001\u81ea\u52d5\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u6574\u6570\u5024\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u884c\u306e\u4e00\u610f\u306e\u8b58\u5225\u5b50\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 SQL \u3067\u306f\u3001\u30b7\u30ea\u30a2\u30eb\u578b\u306f\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u6574\u6570\u5024\u3092\u81ea\u52d5\u7684\u306b\u751f\u6210\u3067\u304d\u307e\u3059\u304c\u3001ID \u578b\u306f\u540c\u69d8\u306e\u6a5f\u80fd\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u6b63\u3057\u3044\u6570\u5024\u578b\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3068\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306f\u3001\u30c7\u30fc\u30bf\u306e\u578b\u3068\u6709\u52b9\u6841\u6570\u306b\u57fa\u3065\u3044\u3066\u6b63\u3057\u3044\u6570\u5024\u578b\u3092\u9078\u629e\u3057\u3001\u30c7\u30fc\u30bf\u306e\u7bc4\u56f2\u3068\u6709\u52b9\u6841\u6570\u304c\u5217\u5b9a\u7fa9\u3068\u4e00\u81f4\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u6587\u5b57\u5217\u578b\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u6587\u5b57\u5217\u578b\u306f\u30c6\u30ad\u30b9\u30c8 \u30c7\u30fc\u30bf\u306e\u683c\u7d0d\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 SQL \u306f\u3055\u307e\u3056\u307e\u306a\u6587\u5b57\u5217\u578b\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u72ec\u81ea\u306e\u7279\u6027\u3068\u7528\u9014\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u6587\u5b57\u5217\u578b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>CHAR: CHAR \u578b\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210\u6642\u306b\u6307\u5b9a\u3055\u308c\u305f\u56fa\u5b9a\u9577\u6587\u5b57\u5217\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u6587\u5b57\u5217\u306e\u9577\u3055\u304c\u6307\u5b9a\u3055\u308c\u305f\u9577\u3055\u3088\u308a\u77ed\u3044\u5834\u5408\u306f\u3001\u30b9\u30da\u30fc\u30b9\u304c\u57cb\u3081\u8fbc\u307e\u308c\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u9577\u3055 10 \u306e CHAR \u578b\u306e\u5217\u304c &#8220;Hello&#8221; \u6587\u5b57\u5217\u3092\u683c\u7d0d\u3059\u308b\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u5217\u306b\u306f &#8220;Hello&#8221; \u304c\u683c\u7d0d\u3055\u308c\u307e\u3059 (\u30b9\u30da\u30fc\u30b9\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044)\u3002<\/li>\n\n\n\n<li>VARCHAR: VARCHAR \u578b\u306f\u53ef\u5909\u9577\u6587\u5b57\u5217\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u305d\u306e\u9577\u3055\u306f\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210\u6642\u306b\u6307\u5b9a\u3055\u308c\u307e\u3059\u3002 CHAR \u3068\u306f\u7570\u306a\u308a\u3001VARCAR \u306f\u5b9f\u969b\u306e\u5165\u529b\u6587\u5b57\u5217\u306e\u307f\u3092\u683c\u7d0d\u3057\u3001\u30b9\u30da\u30fc\u30b9\u306f\u57cb\u3081\u8fbc\u307e\u308c\u307e\u305b\u3093\u3002 \u305f\u3068\u3048\u3070\u3001\u9577\u3055 10 \u306e VARCHAR \u578b\u306e\u5217\u304c &#8220;Hello&#8221; \u6587\u5b57\u5217\u3092\u683c\u7d0d\u3059\u308b\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u305d\u306e\u5217\u306b\u306f &#8220;Hello&#8221; \u306e\u307f\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c6\u30ad\u30b9\u30c8: TEXT \u578b\u306f\u3001\u53ef\u5909\u9577\u6587\u5b57 (VARCHAR) \u578b\u306e\u5236\u9650\u3092\u8d85\u3048\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u9577\u3044\u30c6\u30ad\u30b9\u30c8\u6587\u5b57\u5217\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u8a18\u4e8b\u3084\u30ec\u30d3\u30e5\u30fc\u306a\u3069\u306e\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u5927\u304d\u306a\u30c1\u30e3\u30f3\u30af\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>BLOB: BLOB \u578b\u306f\u3001\u753b\u50cf\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u3001\u30d3\u30c7\u30aa \u30d5\u30a1\u30a4\u30eb\u306a\u3069\u306e\u30d0\u30a4\u30ca\u30ea \u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u30d5\u30a1\u30a4\u30eb\u3084\u753b\u50cf\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>CLOB: CLOB \u578b\u306f\u3001\u901a\u5e38\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u305d\u306e\u4ed6\u306e\u5927\u304d\u306a\u30c6\u30ad\u30b9\u30c8 \u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u3001\u9577\u3044\u6587\u5b57\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u6b63\u3057\u3044\u6587\u5b57\u5217\u578b\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3068\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306f\u3001\u683c\u7d0d\u3055\u308c\u308b\u30c7\u30fc\u30bf\u306e\u578b\u3068\u9577\u3055\u306b\u57fa\u3065\u3044\u3066\u6b63\u3057\u3044\u6587\u5b57\u5217\u578b\u3092\u9078\u629e\u3057\u3001\u30c7\u30fc\u30bf\u306e\u9577\u3055\u304c\u5217\u5b9a\u7fa9\u3068\u4e00\u81f4\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u307e\u305f\u3001\u30af\u30a8\u30ea\u3067\u6587\u5b57\u5217\u578b\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u6587\u5b57\u5217\u306e\u5f62\u5f0f\u3068\u9577\u3055\u306b\u7279\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u306e\u65e5\u4ed8\u3068\u6642\u523b\u306e\u7a2e\u985e\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u65e5\u4ed8\u3068\u6642\u523b\u306e\u578b\u3092\u4f7f\u7528\u3057\u3066\u65e5\u4ed8\u3068\u6642\u523b\u306e\u60c5\u5831\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002 SQL \u306f\u3055\u307e\u3056\u307e\u306a\u65e5\u4ed8\u3068\u6642\u523b\u306e\u7a2e\u985e\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u72ec\u81ea\u306e\u7279\u6027\u3068\u7528\u9014\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u65e5\u4ed8\u3068\u6642\u523b\u306e\u578b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>DATE: DATE \u578b\u306f\u3001\u5e74\u3001\u6708\u3001\u65e5\u306a\u3069\u306e\u65e5\u4ed8\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u65e5\u4ed8\u5024\u306f &#8216;1000-01-01&#8217; \u304b\u3089 &#8216;9999-12-31&#8242; \u306e\u9593\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002 \u305f\u3068\u3048\u3070\u3001&#8217;2022-04-04&#8217; \u306f DATE \u578b\u306e\u5024\u3067\u3059\u3002<\/li>\n\n\n\n<li>TIME: TIME \u578b\u306f\u3001\u6642\u9593\u3001\u5206\u3001\u79d2\u3001\u30df\u30ea\u79d2\u306a\u3069\u306e\u6642\u9593\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u6642\u523b\u5024\u306f &#8217;00:00:00.000000&#8242; \u304b\u3089 &#8217;23:59:59.999999&#8242; \u306e\u9593\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002 \u305f\u3068\u3048\u3070\u3001&#8217;14:30:00.000000&#8242; \u306f TIME \u578b\u306e\u5024\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u65e5\u6642\/\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7: \u65e5\u6642\u578b\u3068\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u578b\u306e\u4e21\u65b9\u304c\u3001\u65e5\u4ed8\u3068\u6642\u523b\u306e\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u65e5\u4ed8\u3068\u6642\u523b\u306e\u60c5\u5831\u304c\u542b\u307e\u308c\u307e\u3059\u304c\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u8868\u73fe\u304c\u82e5\u5e72\u7570\u306a\u308a\u307e\u3059\u3002 \u65e5\u6642\u578b\u306f\u56fa\u5b9a\u5f62\u5f0f &#8216;YYYY-MM-DD HH:MM:SS&#8217; \u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u578b\u306f (\u7279\u5b9a\u306e DBMS \u306b\u5fdc\u3058\u3066) \u7570\u306a\u308b\u5f62\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u3001\u65e5\u4ed8\u3068\u6642\u523b\u306e\u5024\u306b\u81ea\u52d5\u7684\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001&#8217;2022-04-04 14:30:00&#8242; \u306f DATETIME \u578b\u306e\u5024\u3067\u3042\u308a\u3001&#8217;2022-04-04T14:30:00Z&#8217; \u306f\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u578b\u306e\u5024\u3067\u3059\u3002<\/li>\n\n\n\n<li>YEAR: YEAR \u578b\u306f\u3001\u5e74\u306e\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 2\u6841\u307e\u305f\u306f4\u6841\u306e\u5e74\u306e\u5024\u3092\u683c\u7d0d\u3067\u304d\u307e\u3059(2\u6841\u306e\u5e74\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u7279\u5b9a\u306e\u5e74\u306b\u5909\u63db\u3059\u308b\u3068\u304d\u306b\u7279\u5b9a\u306e\u30eb\u30fc\u30eb\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059)\u3002 \u305f\u3068\u3048\u3070\u3001&#8217;22&#8217; \u306f YEAR \u578b\u306e\u5024\u3067\u30012022 \u5e74\u3092\u8868\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u6b63\u3057\u3044\u65e5\u4ed8\u3068\u6642\u523b\u306e\u578b\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3068\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306f\u3001\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u306e\u578b\u3068\u5f62\u5f0f\u306b\u57fa\u3065\u3044\u3066\u6b63\u3057\u3044\u65e5\u4ed8\u3068\u6642\u523b\u306e\u578b\u3092\u9078\u629e\u3057\u3001\u30c7\u30fc\u30bf\u306e\u5f62\u5f0f\u304c\u5217\u5b9a\u7fa9\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u3055\u3089\u306b\u3001\u30af\u30a8\u30ea\u3067\u65e5\u4ed8\u3068\u6642\u523b\u306e\u578b\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u6642\u523b\u3068\u30bf\u30a4\u30e0 \u30be\u30fc\u30f3\u306e\u7cbe\u5ea6\u306b\u7279\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30d6\u30fc\u30eb\u578b\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL\u3067\u306f\u3001\u30d6\u30fc\u30eb\u578b\u306f\u30d6\u30fc\u30eb\u5024\u3001\u3064\u307e\u308aTRUE\u307e\u305f\u306fFALSE\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u30d6\u30fc\u30eb\u578b\u306e\u5024\u306f 2 \u3064\u3060\u3051\u3067\u3001\u8ad6\u7406\u771f\u7406\u5024\u3001\u771f\u3068\u507d\u306e\u6761\u4ef6\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u60c5\u5831\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307b\u3068\u3093\u3069\u306e DBMS \u3067\u306f\u3001\u30d6\u30fc\u30eb\u578b\u306f TINYINT \u578b\u307e\u305f\u306f\u30d3\u30c3\u30c8\u578b\u3067\u5b9f\u88c5\u3055\u308c\u30010 \u306f FALSE \u3092\u8868\u3057\u30011 \u306f TRUE \u3092\u8868\u3057\u307e\u3059\u3002 \u4e00\u90e8\u306eDBMS\u306f\u3001\u771f\u307e\u305f\u306f\u507d\u306e\u5024\u306e\u307f\u3092\u683c\u7d0d\u3067\u304d\u308b\u771f\u306e\u30d6\u30fc\u30eb\u578b\u3067\u3042\u308b\u30d6\u30fc\u30eb\u578b\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d6\u30fc\u30eb\u578b\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001SQL \u30af\u30a8\u30ea\u3092\u3088\u308a\u76f4\u611f\u7684\u304b\u3064\u7c21\u6f54\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001WHERE \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u884c\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT * FROM employees WHERE is_active = TRUE;\n<\/code><\/pre>\n\n\n\n<p>\u30d6\u30fc\u30eb\u578b\u3092 SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u6761\u4ef6\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3001\u7279\u5b9a\u306e\u30d6\u30fc\u30eb\u5024\u306b\u57fa\u3065\u3044\u3066\u8fd4\u3059\u5217\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT name, age, is_active FROM employees WHERE is_active = TRUE;\n<\/code><\/pre>\n\n\n\n<p>\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306b\u3001\u30d6\u30fc\u30eb\u578b\u307e\u305f\u306f TINYINT\/BIT \u578b\u3092\u4f7f\u7528\u3057\u3066\u30d6\u30fc\u30eb\u578b\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u6587\u306f\u3001\u30d6\u30fc\u30eb\u578b\u30ab\u30e9\u30e0\u3092\u542b\u3080 employees \u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>CREATE TABLE employees (\n  id INT PRIMARY KEY,\n  name VARCHAR(50),\n  age INT,\n  is_active BOOLEAN\n);\n<\/code><\/pre>\n\n\n\n<p>\u30d6\u30fc\u30eb\u578b\u306e\u69cb\u6587\u3068\u4f7f\u7528\u6cd5\u306f\u3001DBMS \u306b\u3088\u3063\u3066\u82e5\u5e72\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30c7\u30fc\u30bf\u30af\u30a8\u30ea\u306eSELECT\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u30011 \u3064\u4ee5\u4e0a\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306e\u6700\u3082\u57fa\u672c\u7684\u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e 1 \u3064\u3067\u3059\u3002 \u305d\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT column1, column2, ... FROM table_name;\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u3001\u52171\u3001\u52172\u3001&#8230; \u306f\u9078\u629e\u3059\u308b\u5217\u540d\u3067\u3001\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u6587\u5b57 (*) \u3092\u4f7f\u7528\u3057\u3066\u3059\u3079\u3066\u306e\u5217\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002 table_name \u306f\u3001\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u306e\u540d\u524d\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306b\u3001employees \u30c6\u30fc\u30d6\u30eb\u304b\u3089 id \u5217\u3068 name \u5217\u3092\u9078\u629e\u3059\u308b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT id, name FROM employees;\n<\/code><\/pre>\n\n\n\n<p>SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u306f\u3001\u5217\u306e\u9078\u629e\u306b\u52a0\u3048\u3066\u3001\u884c\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3059\u308b WHERE \u53e5\u3001\u7d50\u679c\u3092\u4e26\u3079\u66ff\u3048\u308b ORDER BY \u53e5\u3001\u7279\u5b9a\u306e\u5217\u3067\u7d50\u679c\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b GROUP BY \u53e5\u3001\u304a\u3088\u3073\u30c7\u30fc\u30bf\u3092\u96c6\u8a08\u3059\u308b\u96c6\u8a08\u95a2\u6570\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>WHERE \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u884c\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT id, name FROM employees WHERE age &gt; 30;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>ORDER BY \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u5217\u3067\u4e26\u3079\u66ff\u3048\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT id, name, age FROM employees ORDER BY age DESC;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>GROUP BY \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u7d50\u679c\u3092\u5217\u5225\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT department, COUNT(*) FROM employees GROUP BY department;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u96c6\u8a08\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u96c6\u8a08\u3059\u308b\u306b\u306f:<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT AVG(salary) FROM employees;\n<\/code><\/pre>\n\n\n\n<p>SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u306f\u3001JOIN \u64cd\u4f5c\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u9078\u629e\u3057\u3066\u7d50\u5408\u3059\u308b\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u7d50\u5408\u3082\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u69cb\u6587\u3068\u4f7f\u7528\u6cd5\u306f\u3001DBMS \u306b\u3088\u3063\u3066\u82e5\u5e72\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30af\u30a8\u30ea\u306eWHERE\u53e5\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001WHERE \u53e5\u306f\u3001\u884c\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3057\u3066\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u30c7\u30fc\u30bf\u3092\u8fd4\u3059 SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u91cd\u8981\u306a\u90e8\u5206\u3067\u3059\u3002 WHERE \u53e5\u306f\u3001\u6307\u5b9a\u3057\u305f\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3001\u8ad6\u7406\u6f14\u7b97\u5b50\u3001\u304a\u3088\u3073\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3068\u5171\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>WHERE \u53e5\u306e\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u884c\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>=\u3001&gt;\u3001&lt;\u3001&gt;=\u3001&lt;=\u3001&lt;&gt;\u306a\u3069\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3001\u5217\u5024\u3068\u6761\u4ef6\u5024\u3092\u6bd4\u8f03\u3067\u304d\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001WHERE \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u5e74\u9f62\u5217\u304c 30 \u3088\u308a\u5927\u304d\u3044\u3059\u3079\u3066\u306e\u884c\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT id, name, age FROM employees WHERE age &gt; 30;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u884c\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u8907\u6570\u306e\u6761\u4ef6\u306f\u3001AND\u3001OR\u3001NOT \u306a\u3069\u306e\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001WHERE \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u5e74\u9f62\u5217\u304c 30 \u3088\u308a\u5927\u304d\u304f\u3001\u90e8\u9580\u5217\u304c &#8220;Sales&#8221; \u3067\u3042\u308b\u3059\u3079\u3066\u306e\u884c\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT id, name, age, department FROM employees WHERE age &gt; 30 AND department = 'Sales';\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u3042\u3044\u307e\u3044\u4e00\u81f4\u306b\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u3042\u3044\u307e\u3044\u4e00\u81f4\u306b\u306f\u3001% \u3084 _ \u306a\u3069\u306e\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 % \u306f\u4efb\u610f\u306e\u6587\u5b57\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u8868\u3057\u3001_ \u306f\u4efb\u610f\u306e 1 \u6587\u5b57\u3092\u8868\u3057\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001WHERE \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001name \u5217\u304c &#8220;J&#8221; \u3067\u59cb\u307e\u308b\u3059\u3079\u3066\u306e\u884c\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT id, name FROM employees WHERE name LIKE 'J%';\n<\/code><\/pre>\n\n\n\n<p>\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b WHERE \u53e5\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u4e0d\u8981\u306a\u8ad6\u7406\u6f14\u7b97\u5b50\u3068\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u907f\u3051\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u307e\u305f\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u8aa4\u3063\u305f\u7d50\u679c\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u6bd4\u8f03\u3059\u308b\u30c7\u30fc\u30bf\u578b\u304c\u540c\u3058\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>WHERE \u53e5\u306e\u69cb\u6587\u3068\u4f7f\u7528\u6cd5\u306f\u3001DBMS \u306b\u3088\u3063\u3066\u82e5\u5e72\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30af\u30a8\u30ea\u306eORDER BY\u53e5\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001ORDER BY \u53e5\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u5217\u3067\u30af\u30a8\u30ea\u7d50\u679c\u3092\u4e26\u3079\u66ff\u3048\u308b SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u90e8\u5206\u3067\u3059\u3002 ORDER BY \u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30af\u30a8\u30ea\u7d50\u679c\u3092\u6607\u9806 (ASC) \u307e\u305f\u306f\u964d\u9806 (DESC) \u3067\u4e26\u3079\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u65e2\u5b9a\u5024\u306f\u6607\u9806\u3067\u3059\u3002<\/p>\n\n\n\n<p>ORDER BY \u53e5\u306e\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>1 \u3064\u306e\u5217\u3067\u4e26\u3079\u66ff\u3048\u308b<\/li>\n<\/ol>\n\n\n\n<p>ORDER BY \u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u30011 \u3064\u306e\u5217\u3067\u4e26\u3079\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001ORDER BY \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u30af\u30a8\u30ea\u7d50\u679c\u3092\u7d4c\u904e\u6642\u9593\u306e\u964d\u9806\u3067\u4e26\u3079\u66ff\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT id, name, age FROM employees ORDER BY age DESC;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u8907\u6570\u306e\u5217\u3067\u4e26\u3079\u66ff\u3048\u308b<\/li>\n<\/ol>\n\n\n\n<p>ORDER BY \u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8907\u6570\u306e\u5217\u3067\u4e26\u3079\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u8907\u6570\u306e\u5217\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u5217\u540d\u306e\u9806\u306b\u4e26\u3079\u66ff\u3048\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001ORDER BY \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u90e8\u9580\u5217\u3092\u6607\u9806\u3067\u4e26\u3079\u66ff\u3048\u3001\u6b21\u306b\u7d66\u4e0e\u5217\u3092\u964d\u9806\u306b\u4e26\u3079\u66ff\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT id, name, department, salary FROM employees ORDER BY department ASC, salary DESC;\n<\/code><\/pre>\n\n\n\n<p>ORDER BY \u53e5\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u5217\u540d\u304c\u6b63\u3057\u3044\u3053\u3068\u3001\u304a\u3088\u3073\u5217\u306e\u30c7\u30fc\u30bf\u578b\u304c\u540c\u3058\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3001\u9069\u5207\u306b\u4e26\u3079\u66ff\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001ORDER BY \u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5927\u304d\u306a\u30c7\u30fc\u30bf \u30bb\u30c3\u30c8\u3092\u51e6\u7406\u3059\u308b\u3068\u304d\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u306b\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u3084\u305d\u306e\u4ed6\u306e\u6700\u9069\u5316\u624b\u6cd5\u3092\u8a66\u3057\u3066\u3001\u4e0d\u8981\u306a\u4e26\u3079\u66ff\u3048\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>ORDER BY \u53e5\u306e\u69cb\u6587\u3068\u4f7f\u7528\u6cd5\u306f\u3001DBMS \u306b\u3088\u3063\u3066\u82e5\u5e72\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30af\u30a8\u30ea\u306eLIMIT\u53e5\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001LIMIT \u53e5\u306f\u3001\u30af\u30a8\u30ea\u7d50\u679c\u306e\u6570\u3092\u5236\u9650\u3059\u308b SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u90e8\u5206\u3067\u3059\u3002 LIMIT \u53e5\u306f\u3001\u30af\u30a8\u30ea\u7d50\u679c\u3092\u4e26\u3079\u66ff\u3048\u305f\u5f8c\u306b\u6700\u521d\u306e\u6570\u884c\u306e\u307f\u304c\u8fd4\u3055\u308c\u308b\u3088\u3046\u306b\u3001ORDER BY \u53e5\u3068\u5171\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>LIMIT \u53e5\u306e\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6700\u521d\u306e\u6570\u884c\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>LIMIT \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u6700\u521d\u306e\u6570\u884c\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001LIMIT \u53e5\u3092\u4f7f\u7528\u3057\u3066\u6700\u521d\u306e 5 \u3064\u306e\u30ed\u30fc\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT id, name, age FROM employees LIMIT 5;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30aa\u30d5\u30bb\u30c3\u30c8\u306e\u6307\u5b9a<\/li>\n<\/ol>\n\n\n\n<p>OFFSET \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u30af\u30a8\u30ea\u7d50\u679c\u304b\u3089\u884c\u3092\u8fd4\u3059\u5834\u6240\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001LIMIT \u53e5\u3068 OFFSET \u53e5\u3092\u4f7f\u7528\u3057\u3066\u30016 \u884c\u76ee\u304b\u3089\u59cb\u307e\u308b 5 \u884c\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT id, name, age FROM employees LIMIT 5 OFFSET 5;\n<\/code><\/pre>\n\n\n\n<p>LIMIT \u53e5\u306e\u69cb\u6587\u3068\u4f7f\u7528\u6cd5\u306f\u3001DBMS \u306b\u3088\u3063\u3066\u82e5\u5e72\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u4e00\u90e8\u306e DBMS \u3067\u306f\u3001LIMIT \u53e5\u3092\u4f7f\u7528\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001TOP \u53e5\u3092\u4f7f\u7528\u3057\u3066\u30af\u30a8\u30ea\u7d50\u679c\u306e\u6570\u3092\u5236\u9650\u3057\u307e\u3059\u3002 \u307e\u305f\u3001LIMIT \u7bc0\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5927\u304d\u306a\u30c7\u30fc\u30bf\u30fb\u30bb\u30c3\u30c8\u3092\u51e6\u7406\u3059\u308b\u3068\u304d\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u306b\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u3084\u305d\u306e\u4ed6\u306e\u6700\u9069\u5316\u624b\u6cd5\u3092\u8a66\u3057\u3066\u3001\u4e0d\u8981\u306a\u884c\u30b9\u30ad\u30e3\u30f3\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30af\u30a8\u30ea\u306eGROUP BY\u53e5\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001GROUP BY \u53e5\u306f SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u90e8\u5206\u3067\u3042\u308a\u3001\u30af\u30a8\u30ea\u7d50\u679c\u3092 1 \u3064\u4ee5\u4e0a\u306e\u5217\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 GROUP BY \u53e5\u306f\u3001\u5404\u30b0\u30eb\u30fc\u30d7\u306e\u96c6\u8a08\u60c5\u5831\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u3001SUM\u3001COUNT\u3001AVG \u306a\u3069\u306e\u96c6\u8a08\u95a2\u6570\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>GROUP BY \u53e5\u306e\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>1 \u3064\u306e\u5217\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>GROUP BY \u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u30011 \u3064\u306e\u5217\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3067\u304d\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001GROUP BY \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u90e8\u9580\u5217\u5225\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u5404\u90e8\u9580\u306e\u5f93\u696d\u54e1\u6570\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT department, COUNT(*) FROM employees GROUP BY department;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u8907\u6570\u306e\u5217\u3067\u30b0\u30eb\u30fc\u30d7\u5316<\/li>\n<\/ol>\n\n\n\n<p>GROUP BY \u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8907\u6570\u306e\u5217\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3067\u304d\u307e\u3059\u3002 \u8907\u6570\u306e\u5217\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u5217\u540d\u306e\u9806\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001GROUP BY \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u5404\u90e8\u9580\u306e\u5404\u5e74\u9f62\u30b0\u30eb\u30fc\u30d7\u306e\u5f93\u696d\u54e1\u6570\u3092\u90e8\u9580\u304a\u3088\u3073\u5e74\u9f62\u5217\u5225\u306b\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT department, age, COUNT(*) FROM employees GROUP BY department, age;\n<\/code><\/pre>\n\n\n\n<p>GROUP BY \u53e5\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u5217\u540d\u304c\u6b63\u3057\u3044\u3053\u3068\u3001\u304a\u3088\u3073\u5217\u306e\u30c7\u30fc\u30bf\u578b\u304c\u540c\u3058\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u9069\u5207\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u307e\u305f\u3001GROUP BY \u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u64cd\u4f5c\u3059\u308b\u3068\u304d\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u306b\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u6700\u9069\u5316\u624b\u6cd5\u3092\u8a66\u3057\u3066\u3001\u4e0d\u8981\u306a\u30b0\u30eb\u30fc\u30d7\u5316\u3092\u56de\u907f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>GROUP BY \u53e5\u306e\u69cb\u6587\u3068\u4f7f\u7528\u6cd5\u306f\u3001DBMS \u306b\u3088\u3063\u3066\u82e5\u5e72\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30af\u30a8\u30ea\u3067\u306e\u30e9\u30d3\u30f3\u30b8\u53e5\u306e\u4f7f\u7528\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001HAVIN\u53e5\u306f\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u5f8c\u306b\u7d50\u679c\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u90e8\u5206\u3067\u3059\u3002 WHERE \u53e5\u3068\u306f\u7570\u306a\u308a\u3001HAVIN \u53e5\u306f\u3001\u884c\u30ec\u30d9\u30eb\u3067\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u306e\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>HAVIN\u53e5\u306e\u4e00\u822c\u7684\u306a\u4f7f\u7528\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u96c6\u8a08\u95a2\u6570\u306e\u7d50\u679c\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>HAVIN\u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u96c6\u8a08\u95a2\u6570\u306e\u7d50\u679c\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001HAVINGG \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u5f93\u696d\u54e1\u304c 10 \u4eba\u3092\u8d85\u3048\u308b\u90e8\u9580\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT department, COUNT(*) FROM employees GROUP BY department HAVING COUNT(*) &gt; 10;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u96c6\u8a08\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u96c6\u8a08\u95a2\u6570\u306f\u3001HAVINGG \u53e5\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u6b21\u306e\u4f8b\u3067\u306f\u3001HAVINGG \u53e5\u3092\u4f7f\u7528\u3057\u3066\u3001\u90e8\u9580\u306e\u5e73\u5747\u5f93\u696d\u54e1\u6570\u3092\u8a08\u7b97\u3057\u3001\u5e73\u5747\u5024\u304c 20 \u3092\u8d85\u3048\u308b\u90e8\u9580\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT department, AVG(age) FROM employees GROUP BY department HAVING AVG(age) &gt; 20;\n<\/code><\/pre>\n\n\n\n<p>HAVIN \u53e5\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u6b63\u3057\u3044\u69cb\u6587\u3068\u6b63\u3057\u3044\u5217\u540d\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3001\u304a\u3088\u3073 HAVIN \u53e5\u306e\u96c6\u8a08\u95a2\u6570\u304c GROUP BY \u53e5\u306e\u5217\u540d\u3068\u4e00\u81f4\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u307e\u305f\u3001HAVENG \u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u64cd\u4f5c\u3059\u308b\u3068\u304d\u306b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u306b\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u3084\u305d\u306e\u4ed6\u306e\u6700\u9069\u5316\u624b\u6cd5\u3092\u8a66\u3057\u3066\u3001\u4e0d\u8981\u306a\u96c6\u8a08\u64cd\u4f5c\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>HAVIN\u53e5\u306e\u69cb\u6587\u3068\u4f7f\u7528\u6cd5\u306f\u3001DBMS\u306b\u3088\u3063\u3066\u82e5\u5e72\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u66f4\u65b0\u306eINSERT\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL INSERT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u306b\u65b0\u3057\u3044\u884c\u3092\u633f\u5165\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 INSERT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>INSERT INTO table_name (column1, column2, column3,...) VALUES (value1, value2, value3,...);\n<\/code><\/pre>\n\n\n\n<p>\u305d\u306e\u4e2d\u3067\u3001table_name\u306f\u65b0\u3057\u3044\u884c\u3092\u633f\u5165\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u306e\u540d\u524d\u3001\u52171\u3001\u52172\u3001\u52173\u306a\u3069\u306f\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3059\u308b\u5217\u540d\u3067\u3042\u308a\u3001VALUES\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u5f8c\u306e\u5024\u306f\u633f\u5165\u3055\u308c\u308b\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001id\u3001\u540d\u524d\u3001\u5e74\u9f62\u306a\u3069\u306e\u5217\u3092\u542b\u3080 employees \u3068\u3044\u3046\u540d\u524d\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u306b\u65b0\u3057\u3044\u30ec\u30b3\u30fc\u30c9\u3092\u633f\u5165\u3059\u308b\u306b\u306f\u3001\u6b21\u306e INSERT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>INSERT INTO employees (id, name, age) VALUES (1, 'John Smith', 25);\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001id \u30ab\u30e9\u30e0\u5024\u304c 1\u3001name \u30ab\u30e9\u30e0\u5024\u304c &#8216;John Smith&#8217;\u3001age \u30ab\u30e9\u30e0\u5024\u304c 25 \u306e\u65b0\u3057\u3044\u30ec\u30b3\u30fc\u30c9\u3092 employees \u30c6\u30fc\u30d6\u30eb\u306b\u633f\u5165\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e0d\u5b8c\u5168\u306a\u5217\u3092\u633f\u5165\u3059\u308b\u5834\u5408\u3001\u3064\u307e\u308a\u5404\u5217\u306b\u5024\u3092\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u5024\u3092\u633f\u5165\u3059\u308b\u5217\u540d\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001employees \u30c6\u30fc\u30d6\u30eb\u306b\u65b0\u3057\u3044\u30ec\u30b3\u30fc\u30c9\u3092\u633f\u5165\u3057\u3001id \u5217\u3068 name \u5217\u306e\u5024\u306e\u307f\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u6b21\u306e INSERT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>INSERT INTO employees (id, name) VALUES (2, 'Jane Doe');\n<\/code><\/pre>\n\n\n\n<p>\u307e\u305f\u3001\u30c6\u30fc\u30d6\u30eb\u306b\u8907\u6570\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u633f\u5165\u3059\u308b\u5834\u5408\u306f\u3001VALUES \u53e5\u3067\u8907\u6570\u306e\u5024\u30b0\u30eb\u30fc\u30d7\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>INSERT INTO employees (id, name, age) VALUES (3, 'Bob Johnson', 30), (4, 'Mary Brown', 28), (5, 'David Lee', 35);\n<\/code><\/pre>\n\n\n\n<p>\u65b0\u3057\u3044\u884c\u3092\u633f\u5165\u3059\u308b\u3068\u304d\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u6b63\u78ba\u6027\u3092\u78ba\u4fdd\u3057\u3001\u91cd\u8907\u307e\u305f\u306f\u7121\u52b9\u306a\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u307e\u305f\u3001\u6b63\u3057\u3044\u30c7\u30fc\u30bf\u578b\u3068\u5f62\u5f0f\u3092\u4f7f\u7528\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5909\u63db\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u5909\u63db\u3059\u308b\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u66f4\u65b0UPDATE\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f7f\u7528\u3092\u8a73\u7d30\u306b\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL UPDATE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u65e2\u5b58\u306e\u884c\u3092\u66f4\u65b0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 UPDATE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>UPDATE table_name SET column1=value1, column2=value2, ... WHERE condition;\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u3046\u3061\u3001table_name\u306f\u66f4\u65b0\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u540d\u3001\u52171\u3001\u52172\u306a\u3069\u306f\u66f4\u65b0\u3059\u308b\u5217\u540d\u3001\u50241\u3001\u50242\u306a\u3069\u306f\u66f4\u65b0\u3059\u308b\u5024\u3001\u6761\u4ef6\u306f\u66f4\u65b0\u3059\u308b\u884c\u3092\u9078\u629e\u3059\u308b\u6761\u4ef6\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001id\u3001\u540d\u524d\u3001\u5e74\u9f62\u306a\u3069\u306e\u5217\u3092\u542b\u3080 employees \u3068\u3044\u3046\u540d\u524d\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002 \u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306e ID \u304c 1 \u306e\u5f93\u696d\u54e1\u306e\u5e74\u9f62\u5217\u3092\u66f4\u65b0\u3059\u308b\u306b\u306f\u3001\u6b21\u306e UPDATE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>UPDATE employees SET age=30 WHERE id=1;\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001employees \u30c6\u30fc\u30d6\u30eb\u306e ID 1 \u3092\u6301\u3064\u5f93\u696d\u54e1\u306e age \u5217\u306e\u5024\u3092 30 \u306b\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u884c\u3092\u66f4\u65b0\u3059\u308b\u3068\u304d\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u6b63\u78ba\u6027\u3092\u78ba\u4fdd\u3057\u3001\u91cd\u8907\u307e\u305f\u306f\u7121\u52b9\u306a\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u307e\u305f\u3001\u6b63\u3057\u3044\u30c7\u30fc\u30bf\u578b\u3068\u5f62\u5f0f\u3092\u4f7f\u7528\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5909\u63db\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u5909\u63db\u3059\u308b\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u8907\u6570\u306e\u5217\u306e\u5024\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u3001SET \u53e5\u3067\u8907\u6570\u306e\u5217\u3068\u5024\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>UPDATE employees SET name='Amy Johnson', age=35 WHERE id=2;\n<\/code><\/pre>\n\n\n\n<p>\u307e\u305f\u3001\u3059\u3079\u3066\u306e\u884c\u306e\u5024\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u3001WHERE \u53e5\u3092\u7701\u7565\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>UPDATE employees SET age=age+1;\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001employees \u30c6\u30fc\u30d6\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u5f93\u696d\u54e1\u306e\u5e74\u9f62\u5217\u306e\u5024\u3092 1 \u305a\u3064\u5897\u3084\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u884c\u3092\u66f4\u65b0\u3059\u308b\u3068\u304d\u306f\u3001\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u3084\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u3001\u6b63\u3057\u3044\u69cb\u6587\u3068\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u306b\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u305f\u3068\u3048\u3070\u3001\u8907\u6570\u306e\u884c\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u3001\u9069\u5207\u306a\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3068\u30ed\u30c3\u30af\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u3068\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u66f4\u65b0\u306eDELETE\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL DELETE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u884c\u3092\u524a\u9664\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 DELETE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>DELETE FROM table_name WHERE condition;\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u3001table_name\u306f\u884c\u3092\u524a\u9664\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u540d\u3001\u6761\u4ef6\u306f\u524a\u9664\u3059\u308b\u884c\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306e\u6761\u4ef6\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001id\u3001\u540d\u524d\u3001\u5e74\u9f62\u306a\u3069\u306e\u5217\u3092\u542b\u3080 employees \u3068\u3044\u3046\u540d\u524d\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002 \u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306e ID \u304c 1 \u306e\u5f93\u696d\u54e1\u884c\u3092\u524a\u9664\u3059\u308b\u306b\u306f\u3001\u6b21\u306e DELETE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>DELETE FROM employees WHERE id=1;\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001ID 1 \u306e\u5f93\u696d\u54e1\u884c\u3092 employees \u30c6\u30fc\u30d6\u30eb\u304b\u3089\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u884c\u3092\u524a\u9664\u3059\u308b\u3068\u304d\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u6b63\u78ba\u6027\u3092\u78ba\u4fdd\u3057\u3001\u91cd\u8907\u307e\u305f\u306f\u7121\u52b9\u306a\u30c7\u30fc\u30bf\u3092\u524a\u9664\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u307e\u305f\u3001\u6b63\u3057\u3044\u30c7\u30fc\u30bf\u578b\u3068\u5f62\u5f0f\u3092\u4f7f\u7528\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5909\u63db\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u5909\u63db\u3059\u308b\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u3059\u3079\u3066\u306e\u884c\u3092\u524a\u9664\u3059\u308b\u5834\u5408\u306f\u3001WHERE \u53e5\u3092\u7701\u7565\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>DELETE FROM employees;\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u5f93\u696d\u54e1\u30c6\u30fc\u30d6\u30eb\u306e\u3059\u3079\u3066\u306e\u884c\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u64cd\u4f5c\u3067\u306f\u30c6\u30fc\u30d6\u30eb\u5168\u4f53\u304c\u7a7a\u306b\u306a\u308a\u3001\u30c7\u30fc\u30bf\u304c\u5931\u308f\u308c\u305f\u308a\u56de\u5fa9\u4e0d\u80fd\u306b\u306a\u3063\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u3059\u3079\u3066\u306e\u884c\u3092\u524a\u9664\u3059\u308b\u5834\u5408\u306f\u7279\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u64cd\u4f5c\u3092\u4f7f\u7528\u3059\u308b\u524d\u306b\u30c7\u30fc\u30bf\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3001\u904b\u7528\u74b0\u5883\u3067\u3053\u306e\u64cd\u4f5c\u3092\u4f7f\u7528\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u884c\u3092\u524a\u9664\u3059\u308b\u5834\u5408\u306f\u3001JOIN \u53e5\u307e\u305f\u306f\u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u3066\u524a\u9664\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u6587\u306f\u300140 \u6b73\u4ee5\u4e0a\u306e\u3059\u3079\u3066\u306e\u5f93\u696d\u54e1\u306e\u90e8\u7f72\u3092 [\u5f93\u696d\u54e1] \u30c6\u30fc\u30d6\u30eb\u3068 [\u90e8\u7f72] \u30c6\u30fc\u30d6\u30eb\u304b\u3089\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>DELETE FROM employees WHERE department_id IN (SELECT department_id FROM departments WHERE age &gt; 40);\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d1\u30e9\u30c0\u30a4\u30e0\u306e\u6982\u5ff5\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306f\u3001\u30d1\u30e9\u30c0\u30a4\u30e0\u306f\u3001\u5197\u9577\u3067\u4e00\u8cab\u6027\u306e\u306a\u3044\u30c7\u30fc\u30bf\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u30c6\u30fc\u30d6\u30eb\u3092\u8a2d\u8a08\u3059\u308b\u65b9\u6cd5\u3092\u30ac\u30a4\u30c9\u3059\u308b\u4e00\u9023\u306e\u30eb\u30fc\u30eb\u3067\u3059\u3002 \u30d1\u30e9\u30c0\u30a4\u30e0\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u306e\u6b63\u78ba\u6027\u3068\u6700\u9069\u5316\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d1\u30e9\u30c0\u30a4\u30e0\u306f\u30011NF\u30012NF\u30013NF\u3001BCNF\u306a\u3069\u3067\u3059\u3002 \u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7b2c 1 \u6b63\u898f\u5f62 (&lt;&gt;NF)<\/li>\n<\/ol>\n\n\n\n<p>\u7b2c 1 \u6b63\u898f\u5f62\u3067\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5404\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u30a2\u30c8\u30df\u30c3\u30af\u3001\u3064\u307e\u308a\u4e0d\u53ef\u5206\u3067\u3042\u308a\u3001\u30bb\u30c3\u30c8\u3084\u914d\u5217\u306a\u3069\u306e\u8907\u5408\u578b\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u304c &lt;&gt;NF \u3092\u6e80\u305f\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30c7\u30fc\u30bf\u306e\u5197\u9577\u6027\u3068\u4e0d\u6574\u5408\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u7b2c 2 \u6b63\u898f\u5f62 (&lt;&gt;NF)<\/li>\n<\/ol>\n\n\n\n<p>\u7b2c 2 \u6b63\u898f\u5f62\u5f0f\u3067\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5404\u975e\u4e3b\u30ad\u30fc\u5c5e\u6027\u304c\u3001\u4e3b\u30ad\u30fc\u306e\u4e00\u90e8\u3067\u306f\u306a\u304f\u3001\u4e3b\u30ad\u30fc\u306b\u5b8c\u5168\u306b\u4f9d\u5b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u304c &lt;&gt;NF \u3092\u6e80\u305f\u3055\u306a\u3044\u5834\u5408\u3001\u30c7\u30fc\u30bf\u306e\u5197\u9577\u6027\u3068\u4e0d\u6574\u5408\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u7b2c 3 \u6b63\u898f\u5f62 (&lt;&gt;NF)<\/li>\n<\/ol>\n\n\n\n<p>\u7b2c 3 \u6b63\u898f\u5f62\u3067\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5404\u975e\u4e3b\u30ad\u30fc\u5c5e\u6027\u304c\u4ed6\u306e\u975e\u4e3b\u30ad\u30fc\u5c5e\u6027\u306b\u4f9d\u5b58\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u304c&lt;&gt;NF\u3092\u6e80\u305f\u3055\u306a\u3044\u5834\u5408\u3001\u30c7\u30fc\u30bf\u306e\u5197\u9577\u6027\u3068\u4e0d\u6574\u5408\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u30d9\u30fc\u30b9\u30b3\u30c3\u30c9\u6b63\u898f\u5f62(BCNF)<\/li>\n<\/ol>\n\n\n\n<p>BCNF \u3067\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5404\u975e\u4e3b\u30ad\u30fc\u5c5e\u6027\u304c\u3001\u4ed6\u306e\u3059\u3079\u3066\u306e\u975e\u4e3b\u30ad\u30fc\u5c5e\u6027\u304b\u3089\u72ec\u7acb\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u304c BCNF \u3092\u6e80\u305f\u3055\u306a\u3044\u5834\u5408\u3001\u30c7\u30fc\u30bf\u306e\u5197\u9577\u6027\u3068\u4e0d\u6574\u5408\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d1\u30e9\u30c0\u30a4\u30e0\u306e\u5f79\u5272\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u306e\u6b63\u898f\u5316\u3092\u78ba\u5b9f\u306b\u3057\u3001\u30c7\u30fc\u30bf\u306e\u5197\u9577\u6027\u3068\u4e0d\u6574\u5408\u3092\u6e1b\u3089\u3057\u3001\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u3067\u3059\u3002 \u305f\u3060\u3057\u3001\u5b9f\u969b\u306b\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u5197\u9577\u6027\u3068\u6700\u9069\u5316\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u5fc5\u305a\u3057\u3082\u3059\u3079\u3066\u306e\u30d1\u30e9\u30c0\u30a4\u30e0\u3092\u53b3\u5b88\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u3068\u304d\u306f\u3001\u5b9f\u969b\u306e\u30cb\u30fc\u30ba\u3068\u7279\u5b9a\u306e\u72b6\u6cc1\u306b\u57fa\u3065\u3044\u3066\u3001\u30d1\u30e9\u30c0\u30a4\u30e0\u3084\u305d\u306e\u4ed6\u306e\u8a2d\u8a08\u539f\u5247\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u30c6\u30fc\u30d6\u30eb\u3092\u8a2d\u8a08\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u540c\u6642\u306b\u3001\u30c7\u30fc\u30bf\u306e\u5197\u9577\u6027\u3068\u4e0d\u6574\u5408\u3092\u56de\u907f\u3057\u3001\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u9069\u5207\u306a\u30c7\u30fc\u30bf\u306e\u6b63\u898f\u5316\u3068\u6700\u9069\u5316\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u306e\u57fa\u672c\u8a2d\u8a08\u539f\u5247\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u3067\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u306e\u6b63\u78ba\u6027\u3001\u4e00\u8cab\u6027\u3001\u304a\u3088\u3073\u4fdd\u5b88\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u5f93\u3046\u3079\u304d\u57fa\u672c\u7684\u306a\u8a2d\u8a08\u539f\u5247\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002 SQL \u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u306e\u57fa\u672c\u7684\u306a\u8a2d\u8a08\u539f\u5247\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e00\u610f\u306e\u8b58\u5225\u5b50<\/li>\n<\/ol>\n\n\n\n<p>\u5404\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5404\u30ec\u30b3\u30fc\u30c9\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308b\u4e00\u610f\u306e\u8b58\u5225\u5b50\u304c\u5fc5\u8981\u3067\u3059\u3002 \u901a\u5e38\u3001\u3053\u306e\u4e00\u610f\u306e\u8b58\u5225\u5b50\u306f\u81ea\u5df1\u62e1\u5f35\u6574\u6570\u3067\u3042\u308b\u304b\u3001GUID \u306a\u3069\u306e\u4ed6\u306e\u578b\u306e\u5024\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u30c7\u30fc\u30bf\u578b\u3068\u5236\u7d04<\/li>\n<\/ol>\n\n\n\n<p>\u30c6\u30fc\u30d6\u30eb\u3092\u8a2d\u8a08\u3059\u308b\u3068\u304d\u306f\u3001\u5404\u5217\u306b\u6b63\u3057\u3044\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3057\u3001\u9069\u5207\u306a\u5236\u7d04\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3068\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001NOT NULL \u5236\u7d04\u3092\u4f7f\u7528\u3057\u3066\u5217\u306b NULL \u5024\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001UNIQUE \u5236\u7d04\u3092\u4f7f\u7528\u3057\u3066\u5217\u306e\u5024\u304c\u4e00\u610f\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u30c7\u30fc\u30bf\u306e\u5197\u9577\u6027<\/li>\n<\/ol>\n\n\n\n<p>\u7570\u306a\u308b\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u30c7\u30fc\u30bf\u306e\u5197\u9577\u6027\u306f\u3001\u53ef\u80fd\u306a\u9650\u308a\u56de\u907f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3067\u540c\u3058\u30c7\u30fc\u30bf\u3092\u5171\u6709\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u5916\u90e8\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u3092\u78ba\u7acb\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u30d1\u30e9\u30c0\u30a4\u30e0\u8a2d\u8a08<\/li>\n<\/ol>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d1\u30e9\u30c0\u30a4\u30e0\u8a2d\u8a08\u306e\u539f\u5247\u306b\u5f93\u3063\u3066\u3001\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u304c\u6b63\u898f\u5316\u3055\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u5197\u9577\u6027\u3068\u4e0d\u6574\u5408\u304c\u6e1b\u308a\u3001\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<p>\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\u3092\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u305f\u308a\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3 \u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3057\u3066\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf \u30bb\u30c3\u30c8\u306e\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/li>\n<\/ol>\n\n\n\n<p>\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u30a2\u30af\u30bb\u30b9\u8a31\u53ef\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30e6\u30fc\u30b6\u30fc \u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3057\u305f\u308a\u3001\u6697\u53f7\u5316\u3092\u4f7f\u7528\u3057\u3066\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"7\">\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/li>\n<\/ol>\n\n\n\n<p>\u4ed6\u306e\u4eba\u304c\u30c6\u30fc\u30d6\u30eb\u306e\u610f\u5473\u3068\u69cb\u9020\u3092\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30c6\u30fc\u30d6\u30eb\u3068\u5217\u3054\u3068\u306b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u540d\u524d\u3001\u5217\u306e\u540d\u524d\u3001\u30c7\u30fc\u30bf\u578b\u3001\u5236\u7d04\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u3001\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u91cd\u8981\u306a\u60c5\u5831\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001SQL\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u306e\u57fa\u672c\u7684\u306a\u8a2d\u8a08\u539f\u5247\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u306e\u6b63\u78ba\u6027\u3001\u4e00\u8cab\u6027\u3001\u304a\u3088\u3073\u4fdd\u5b88\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u3059\u3002 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d1\u30e9\u30c0\u30a4\u30e0\u8a2d\u8a08\u306e\u539f\u5247\u306b\u5f93\u3044\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306a\u3069\u306e\u8981\u7d20\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u306b\u304a\u3051\u308b\u4e3b\u30ad\u30fc\u3001\u5916\u90e8\u30ad\u30fc\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u3067\u306f\u3001\u4e3b\u30ad\u30fc\u3001\u5916\u90e8\u30ad\u30fc\u3001\u304a\u3088\u3073\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u3068\u30af\u30a8\u30ea\u52b9\u7387\u3092\u6700\u9069\u5316\u3059\u308b\u306e\u306b\u5f79\u7acb\u30643\u3064\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002 \u305d\u308c\u3089\u306e\u4f7f\u7528\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e3b\u30ad\u30fc<\/li>\n<\/ol>\n\n\n\n<p>\u4e3b\u30ad\u30fc\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5404\u30ec\u30b3\u30fc\u30c9\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308b\u5217\u307e\u305f\u306f\u5217\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3059\u3002 \u4e3b\u30ad\u30fc\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5404\u30ec\u30b3\u30fc\u30c9\u304c\u4e00\u610f\u306e\u8b58\u5225\u5b50\u3092\u6301\u3064\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002 \u4e3b\u30ad\u30fc\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306b\u3001\u5236\u7d04\u3092\u4f7f\u7528\u3057\u3066\u4e00\u610f\u6027\u3068 null \u975e\u8a31\u5bb9\u3092\u5f37\u5236\u3067\u304d\u307e\u3059\u3002 \u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u3092\u30af\u30a8\u30ea\u3059\u308b\u5834\u5408\u3001\u4e3b\u30ad\u30fc\u306f\u3001\u30c7\u30fc\u30bf\u3092\u3059\u3070\u3084\u304f\u898b\u3064\u3051\u308b\u305f\u3081\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u3068\u3057\u3066\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5916\u90e8\u30ad\u30fc<\/li>\n<\/ol>\n\n\n\n<p>\u5916\u90e8\u30ad\u30fc\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u3092\u78ba\u7acb\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u5217\u3067\u3059\u3002 \u5225\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u5217\u3092\u6307\u3057\u3066\u3001\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002 \u5916\u90e8\u30ad\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6ce8\u6587\u30c6\u30fc\u30d6\u30eb\u306b\u3001\u5404\u6ce8\u6587\u304c\u6709\u52b9\u306a\u9867\u5ba2\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u5fdc\u3059\u308b\u3088\u3046\u306b Customers \u30c6\u30fc\u30d6\u30eb\u3092\u6307\u3059\u5916\u90e8\u30ad\u30fc\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/li>\n<\/ol>\n\n\n\n<p>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u9ad8\u901f\u5316\u3059\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u3059\u3002 \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f 1 \u3064\u4ee5\u4e0a\u306e\u5217\u306b\u57fa\u3065\u3044\u3066\u4f5c\u6210\u3067\u304d\u3001\u305d\u308c\u3089\u306e\u5217\u306e\u5024\u3092\u4e26\u3079\u66ff\u3048\u3066\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u3001\u30c7\u30fc\u30bf\u306e\u691c\u7d22\u3068\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002 \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5927\u304d\u306a\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3057\u3066\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3059\u308b\u969b\u306e\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002 \u305f\u3060\u3057\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30c6\u30fc\u30d6\u30eb\u3078\u306e\u66f8\u304d\u8fbc\u307f\u64cd\u4f5c\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3082\u5897\u52a0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e3b\u30ad\u30fc\u3001\u5916\u90e8\u30ad\u30fc\u3001\u304a\u3088\u3073\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u64cd\u4f5c\u3059\u308b\u5834\u5408\u306f\u3001\u6b21\u306e\u70b9\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e3b\u30ad\u30fc\u3001\u5916\u90e8\u30ad\u30fc\u3001\u304a\u3088\u3073\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u3068\u30af\u30a8\u30ea\u306e\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u3088\u3046\u306b\u9069\u5207\u306b\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u30af\u30a8\u30ea\u3092\u9ad8\u901f\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u306e\u307f\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u591a\u3059\u304e\u308b\u3068\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3057\u3001\u5927\u91cf\u306e\u30c7\u30a3\u30b9\u30af\u9818\u57df\u304c\u6d88\u8cbb\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5916\u90e8\u30ad\u30fc\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u4e3b\u30ad\u30fc\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5916\u90e8\u30ad\u30fc\u3068\u5916\u90e8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3068\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u9069\u5207\u306a\u5236\u7d04\u306e\u4f7f\u7528\u3092\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001\u4e3b\u30ad\u30fc\u3001\u5916\u90e8\u30ad\u30fc\u3001\u304a\u3088\u3073\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001SQL\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3042\u308a\u3001\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u3068\u30af\u30a8\u30ea\u52b9\u7387\u3092\u6700\u9069\u5316\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 \u3053\u308c\u3089\u306f\u6b63\u3057\u304f\u5b9a\u7fa9\u3055\u308c\u3001\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3068\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u9069\u5207\u306a\u8a2d\u8a08\u539f\u5247\u306b\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30c6\u30fc\u30d6\u30eb\u30c7\u30b6\u30a4\u30f3\u30d3\u30e5\u30fc\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u30d3\u30e5\u30fc\u306f 1 \u3064\u4ee5\u4e0a\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u884c\u307e\u305f\u306f\u5217\u3067\u69cb\u6210\u3055\u308c\u308b\u4eee\u60f3\u30c6\u30fc\u30d6\u30eb\u3067\u3059\u3002 \u5b9f\u969b\u306e\u30c6\u30fc\u30d6\u30eb\u3068\u306f\u7570\u306a\u308a\u3001\u30d3\u30e5\u30fc\u306b\u306f\u30c7\u30fc\u30bf\u81ea\u4f53\u306f\u683c\u7d0d\u3055\u308c\u305a\u3001\u5b9a\u7fa9\u306e\u307f\u304c\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002 SQL \u3067\u306f\u3001CREATE VIEW \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30d3\u30e5\u30fc\u3092\u4f5c\u6210\u3057\u3001SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30d3\u30e5\u30fc\u306e\u30af\u30a8\u30ea \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d3\u30e5\u30fc\u306b\u306f\u3001\u6b21\u306e\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7c21\u7565\u5316\u3055\u308c\u305f\u30af\u30a8\u30ea: \u30d3\u30e5\u30fc\u3067\u306f\u8907\u96d1\u306a SQL \u30af\u30a8\u30ea\u3092\u975e\u8868\u793a\u306b\u3067\u304d\u308b\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7c21\u5358\u306b\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u7ba1\u7406: \u30d3\u30e5\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30c6\u30fc\u30d6\u30eb\u5168\u4f53\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u56fa\u6709\u306e\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a: \u30d3\u30e5\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u8907\u96d1\u306a\u30af\u30a8\u30ea \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u6574\u7406\u3057\u3001\u30af\u30a8\u30ea\u306e\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u66f4\u65b0\u306e\u7c21\u7d20\u5316: \u30d3\u30e5\u30fc\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3059\u308b\u66f4\u65b0\u64cd\u4f5c\u3092\u7c21\u7d20\u5316\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30d3\u30e5\u30fc\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u8003\u616e\u3059\u3079\u304d\u3044\u304f\u3064\u304b\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d3\u30e5\u30fc\u306e\u540d\u524d: \u30d3\u30e5\u30fc\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u305d\u306e\u6a5f\u80fd\u3092\u7c21\u5358\u306b\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u610f\u5473\u306e\u3042\u308b\u540d\u524d\u3092\u4ed8\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d3\u30e5\u30fc\u306e\u30af\u30a8\u30ea \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8: \u30d3\u30e5\u30fc\u3067\u306f SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30af\u30a8\u30ea \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3068\u6761\u4ef6\u3092\u4f7f\u7528\u3057\u3066\u3001\u3088\u308a\u5177\u4f53\u7684\u306a\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d3\u30e5\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3: \u30e6\u30fc\u30b6\u30fc\u304c\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u306b\u306e\u307f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30d3\u30e5\u30fc\u306b\u9069\u5207\u306a\u30a2\u30af\u30bb\u30b9\u8a31\u53ef\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d3\u30e5\u30fc\u306e\u66f4\u65b0\u53ef\u80fd\u6027: \u30d3\u30e5\u30fc\u3092\u66f4\u65b0\u64cd\u4f5c\u306b\u4f7f\u7528\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3092\u691c\u8a0e\u3057\u3001\u4f7f\u7528\u3067\u304d\u308b\u5834\u5408\u306f\u3001\u66f4\u65b0\u304c\u5b9f\u969b\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u6574\u5408\u6027\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30d3\u30e5\u30fc\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u6ce8\u610f\u3057\u3066\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30d3\u30e5\u30fc\u304c\u9069\u5207\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u3001\u7279\u306b\u30af\u30a8\u30ea\u3067\u8907\u6570\u306e\u30d3\u30e5\u30fc\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u3001\u975e\u52b9\u7387\u7684\u306a\u30af\u30a8\u30ea\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u30b5\u30d6\u30af\u30a8\u30ea\u306f\u3001\u3042\u308b\u30af\u30a8\u30ea\u306e\u7d50\u679c\u3092\u5225\u306e\u30af\u30a8\u30ea\u306e\u7d50\u679c\u3067\u4f7f\u7528\u3067\u304d\u308b\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30af\u30a8\u30ea\u3067\u3059\u3002 \u30b5\u30d6\u30af\u30a8\u30ea\u306f\u3001SELECT\u3001INSERT\u3001UPDATE\u3001\u304a\u3088\u3073 DELETE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u4e00\u822c\u7684\u306a\u5f62\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT column1, column2, ...\nFROM table_name\nWHERE column_name operator\n(SELECT column_name FROM table_name WHERE condition);\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u306f\u3001\u30b5\u30d6\u30af\u30a8\u30ea\u306f\u3001\u5916\u90e8\u30af\u30a8\u30ea\u306e\u57fa\u6e96\u306e 1 \u3064\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002<code>(SELECT column_name FROM table_name WHERE condition)<\/code><\/p>\n\n\n\n<p>\u30b5\u30d6\u30af\u30a8\u30ea\u306f\u3001\u901a\u5e38\u3001\u6b21\u306e\u72b6\u6cc1\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b: \u30b5\u30d6\u30af\u30a8\u30ea\u306f\u3001\u5225\u306e\u30af\u30a8\u30ea\u306e\u6761\u4ef6\u3067\u4f7f\u7528\u3067\u304d\u308b\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u5b58\u5728\u3092\u78ba\u8a8d\u3059\u308b: \u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u3066\u3001\u7279\u5b9a\u306e\u5024\u307e\u305f\u306f\u5024\u306e\u30bb\u30c3\u30c8\u304c\u30c6\u30fc\u30d6\u30eb\u306b\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u304c\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b: \u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e00\u9023\u306e\u30c7\u30fc\u30bf\u304c\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3001\u305d\u306e\u30c7\u30fc\u30bf\u3092\u5225\u306e\u30af\u30a8\u30ea\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u96c6\u8a08: \u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3057\u3066\u3001\u5e73\u5747\u3084\u5408\u8a08\u306a\u3069\u306e\u8a08\u7b97\u306a\u3069\u306e\u30c7\u30fc\u30bf\u3092\u96c6\u8a08\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30b5\u30d6\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u7559\u610f\u3059\u3079\u304d\u70b9\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b5\u30d6\u30af\u30a8\u30ea\u306f\u3001\u5916\u90e8\u30af\u30a8\u30ea\u306e\u7d50\u679c\u30bb\u30c3\u30c8\u3068\u6bd4\u8f03\u307e\u305f\u306f\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3067\u304d\u308b\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u8fd4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b5\u30d6\u30af\u30a8\u30ea\u306f\u3001\u5916\u90e8\u30af\u30a8\u30ea\u3068\u306e\u95a2\u4fc2\u3092\u533a\u5225\u3059\u308b\u305f\u3081\u306b\u62ec\u5f27\u3067\u56f2\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b5\u30d6\u30af\u30a8\u30ea\u306f\u3001\u9069\u5207\u306a\u6761\u4ef6\u3067\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3057\u3066\u3001\u76ee\u7684\u306e\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u8fd4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u904e\u5ea6\u306e\u30cd\u30b9\u30c8\u3084\u8907\u96d1\u306a\u30af\u30a8\u30ea\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u4f7f\u7528\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT customer_name\nFROM customers\nWHERE customer_id IN\n  (SELECT customer_id\n   FROM orders\n   WHERE order_date &gt;= '2022-01-01');\n<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001\u30b5\u30d6\u30af\u30a8\u30ea\u306f 2022 \u5e74 1 \u6708 1 \u65e5\u4ee5\u964d\u306b\u6ce8\u6587\u3057\u305f\u3059\u3079\u3066\u306e\u9867\u5ba2 ID \u3092\u8fd4\u3057\u307e\u3059\u3002 \u5916\u90e8\u30af\u30a8\u30ea\u3067\u306f\u3001\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3053\u308c\u3089\u306e\u9867\u5ba2 ID \u3092\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u9867\u5ba2 ID \u3068\u6bd4\u8f03\u3057\u3001\u305d\u308c\u3089\u306e\u9867\u5ba2\u306e\u540d\u524d\u3092\u8fd4\u3057\u307e\u3059\u3002<code>(SELECT customer_id FROM orders WHERE order_date &gt;= '2022-01-01')<\/code><code>IN<\/code><code>customers<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30af\u30a8\u30eaJOINS\u3001\u7279\u306b\u5185\u90e8\u7d50\u5408\u3001\u5de6\u7d50\u5408\u3001\u53f3\u7d50\u5408\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u30af\u30a8\u30ea JOIN \u306f\u30012 \u3064\u4ee5\u4e0a\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u30c7\u30fc\u30bf\u306e\u30bb\u30c3\u30c8\u306b\u7d50\u5408\u3059\u308b\u64cd\u4f5c\u3067\u3059\u3002 JOIN \u64cd\u4f5c\u306f\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u95a2\u9023\u4ed8\u3051\u3068\u30af\u30a8\u30ea\u306b\u4f7f\u7528\u3057\u3066\u3001\u3088\u308a\u8907\u96d1\u306a\u30af\u30a8\u30ea\u3092\u6709\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 JOIN \u64cd\u4f5c\u306f\u3001\u5185\u90e8\u7d50\u5408\u3001\u5de6\u7d50\u5408\u3001\u53f3\u7d50\u5408\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u30bf\u30a4\u30d7\u306b\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5185\u90e8\u7d50\u5408<\/li>\n<\/ol>\n\n\n\n<p>\u5185\u90e8\u7d50\u5408\u306f\u3001\u4e21\u65b9\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5171\u901a\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u3092\u8fd4\u3057\u307e\u3059\u3002 \u3053\u306e\u7d50\u5408\u306f\u3001\u4e21\u65b9\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5b58\u5728\u3059\u308b\u884c\u306e\u307f\u3092\u8fd4\u3057\u307e\u3059\u3002 \u305d\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT column_name(s)\nFROM table1\nINNER JOIN table2\nON table1.column_name = table2.column_name;\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u3001 \u306f\u7d50\u5408\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u3001 \u306f\u9078\u629e\u3059\u308b\u5217\u540d\u3067\u3059\u3002<code>table1<\/code><code>table2<\/code><code>column_name<\/code><\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u5de6\u7d50\u5408<\/li>\n<\/ol>\n\n\n\n<p>\u5de6\u7d50\u5408\u3067\u306f\u3001\u5de6\u5074\u306e\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u3068\u3001\u53f3\u5074\u306e\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002 \u53f3\u5074\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u304c\u306a\u3044\u5834\u5408\u306f\u3001NULL \u5024\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002 \u305d\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT column_name(s)\nFROM table1\nLEFT JOIN table2\nON table1.column_name = table2.column_name;\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u3001 \u306f\u7d50\u5408\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u3001 \u306f\u9078\u629e\u3059\u308b\u5217\u540d\u3067\u3059\u3002<code>table1<\/code><code>table2<\/code><code>column_name<\/code><\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u53f3\u7d50\u5408<\/li>\n<\/ol>\n\n\n\n<p>\u53f3\u7d50\u5408\u3067\u306f\u3001\u53f3\u5074\u306e\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u3068\u3001\u5de6\u5074\u306e\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002 \u5de6\u5074\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u304c\u306a\u3044\u5834\u5408\u306f\u3001NULL \u5024\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002 \u305d\u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT column_name(s)\nFROM table1\nRIGHT JOIN table2\nON table1.column_name = table2.column_name;\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u3001 \u306f\u7d50\u5408\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u3001 \u306f\u9078\u629e\u3059\u308b\u5217\u540d\u3067\u3059\u3002<code>table1<\/code><code>table2<\/code><code>column_name<\/code><\/p>\n\n\n\n<p>JOIN \u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u5834\u5408\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3068\u8907\u6570\u306e\u6761\u4ef6\u3092\u4f7f\u7528\u3057\u3066\u7d50\u5408\u3067\u304d\u307e\u3059\u3002 JOIN \u64cd\u4f5c\u306f SQL \u30af\u30a8\u30ea\u3067\u975e\u5e38\u306b\u4fbf\u5229\u306a\u6a5f\u80fd\u3067\u3042\u308a\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3092 1 \u3064\u306e\u4eee\u60f3\u30c6\u30fc\u30d6\u30eb\u306b\u7d50\u5408\u3059\u308b\u3053\u3068\u3067\u30af\u30a8\u30ea\u3092\u7c21\u7d20\u5316\u3057\u3001\u30af\u30a8\u30ea\u306e\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u3067\u306e\u96c6\u8a08\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u306e\u96c6\u8a08\u95a2\u6570\u306f\u30011 \u3064\u4ee5\u4e0a\u306e\u30c7\u30fc\u30bf\u5217\u306b\u5bfe\u3057\u3066\u8a08\u7b97\u3092\u5b9f\u884c\u3059\u308b\u95a2\u6570\u3067\u3042\u308a\u3001\u901a\u5e38\u3001\u30af\u30a8\u30ea\u7d50\u679c\u3092\u96c6\u8a08\u307e\u305f\u306f\u30ab\u30a6\u30f3\u30c8\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u96c6\u8a08\u95a2\u6570\u3067\u306f\u3001\u6700\u5927\u5024\u3001\u6700\u5c0f\u5024\u3001\u5e73\u5747\u5024\u3001\u5408\u8a08\u3001\u30ab\u30a6\u30f3\u30c8\u306a\u3069\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u306e\u4e00\u822c\u7684\u306a\u96c6\u8a08\u95a2\u6570\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>COUNT: \u30ab\u30a6\u30f3\u30c8: \u7d71\u8a08\u8868\u306e\u5217\u306e\u5024\u306e\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u5217\u306e\u884c\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>SUM: \u7d71\u8a08\u8868\u306e\u6570\u5024\u5217\u3092\u5408\u8a08\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u5217\u306e\u6570\u5024\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>AVG: \u7d71\u8a08\u8868\u306e\u6570\u5024\u5217\u306e\u5e73\u5747\u306b\u4f7f\u7528\u3067\u304d\u308b\u5217\u306e\u5e73\u5747\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>MAX: \u7d71\u8a08\u8868\u306e\u6570\u5024\u5217\u306e\u6700\u5927\u5024\u306b\u4f7f\u7528\u3067\u304d\u308b\u5217\u306e\u6700\u5927\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>MIN: \u7d71\u8a08\u8868\u306e\u6570\u5024\u5217\u306e\u6700\u5c0f\u5024\u306b\u4f7f\u7528\u3067\u304d\u308b\u5217\u306e\u6700\u5c0f\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u96c6\u8a08\u95a2\u6570\u306f\u3001\u30af\u30a8\u30ea\u7d50\u679c\u306e\u8a08\u7b97\u3068\u96c6\u8a08\u306e\u305f\u3081\u306b SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>SELECT COUNT(*), SUM(price), AVG(price), MAX(price), MIN(price)\nFROM products;\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u30c7\u30fc\u30bf\u30c6\u30fc\u30d6\u30eb\u300cproducts\u300d\u5185\u306e\u3059\u3079\u3066\u306e\u88fd\u54c1\u306e\u6570\u91cf\u3001\u4fa1\u683c\u5408\u8a08\u3001\u5e73\u5747\u4fa1\u683c\u3001\u6700\u5927\u4fa1\u683c\u3001\u304a\u3088\u3073\u6700\u5c0f\u4fa1\u683c\u3092\u8fd4\u3057\u307e\u3059\u3002 COUNT(*) \u306f\u3001\u8fd4\u3055\u308c\u308b\u30c7\u30fc\u30bf \u30c6\u30fc\u30d6\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u884c\u306e\u6570\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u96c6\u8a08\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001GROUP BY \u53e5\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 GROUP BY \u53e5\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u5217\u306b\u57fa\u3065\u3044\u3066\u30af\u30a8\u30ea\u7d50\u679c\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u3054\u3068\u306b\u96c6\u8a08\u95a2\u6570\u306e\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code>SELECT category, COUNT(*), SUM(price), AVG(price), MAX(price), MIN(price)\nFROM products\nGROUP BY category;\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u5404\u30ab\u30c6\u30b4\u30ea\u306e\u88fd\u54c1\u6570\u3001\u4fa1\u683c\u5408\u8a08\u3001\u5e73\u5747\u4fa1\u683c\u3001\u4e0a\u9650\u4fa1\u683c\u3001\u6700\u4f4e\u4fa1\u683c\u306a\u3069\u3001\u5546\u54c1\u30ab\u30c6\u30b4\u30ea\u5225\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u7d71\u8a08\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u3067\u306e\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3068\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3068\u95a2\u6570\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u81ea\u8eab\u304c\u5b9a\u7fa9\u304a\u3088\u3073\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b 2 \u3064\u306e\u518d\u5229\u7528\u53ef\u80fd\u306a\u30b3\u30fc\u30c9\u5358\u4f4d\u3067\u3059\u3002 1 \u3064\u4ee5\u4e0a\u306e SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3066 1 \u3064\u306e\u5358\u4f4d\u3068\u3057\u3066\u5b9f\u884c\u3057\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u3068\u5b9f\u884c\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u30b9\u30c8\u30a2\u30fc\u30c9\u30fb\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u30fc\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u306e\u95a2\u6570\u306b\u4f3c\u305f SQL \u30b3\u30fc\u30c9\u306e\u30d7\u30ea\u30b3\u30f3\u30d1\u30a4\u30eb\u6e08\u307f\u30d6\u30ed\u30c3\u30af\u3067\u3059\u3002 \u4e00\u9023\u306e SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u69cb\u6210\u3055\u308c\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u53d7\u3051\u53d6\u3063\u305f\u308a\u3001\u7d50\u679c\u3092\u8fd4\u3057\u305f\u308a\u3001\u4f55\u3089\u304b\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002 \u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u5bfe\u3057\u3066\u8907\u96d1\u306a\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u547c\u3073\u51fa\u3055\u308c\u305f\u308a\u3059\u308b\u305f\u3081\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u95a2\u6570\u306f\u3001\u5024\u3092\u8a08\u7b97\u3057\u3001\u7d50\u679c\u3068\u3057\u3066\u8fd4\u3059\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b SQL \u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u53ef\u80fd\u306a\u30d6\u30ed\u30c3\u30af\u3067\u3059\u3002 \u95a2\u6570\u306f\u30011 \u3064\u4ee5\u4e0a\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u306e\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af\u3067\u4f55\u3089\u304b\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002 \u95a2\u6570\u306f\u3001SQL \u30af\u30a8\u30ea \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u4f7f\u7528\u3057\u305f\u308a\u3001\u4ed6\u306e\u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3084\u95a2\u6570\u3067\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u306e\u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3068\u95a2\u6570\u306b\u306f\u3001\u6b21\u306e\u7279\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u518d\u5229\u7528\u6027: \u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3068\u95a2\u6570\u306f\u3001\u8907\u6570\u306e\u30af\u30a8\u30ea\u307e\u305f\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4f7f\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u524a\u6e1b\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a: \u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3068\u95a2\u6570\u306f\u30d7\u30ea\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u308b\u305f\u3081\u3001\u901a\u5e38\u306f\u901a\u5e38\u306e SQL \u30af\u30a8\u30ea \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3088\u308a\u3082\u9ad8\u901f\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3: \u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3068\u95a2\u6570\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u5fa1\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7c21\u5358\u306a\u7ba1\u7406: \u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3068\u95a2\u6570\u306f\u3001ALTER\u3001CREATE\u3001DROP \u306a\u3069\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u7ba1\u7406\u304a\u3088\u3073\u4fdd\u5b88\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>SQL \u306e\u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3068\u95a2\u6570\u306f\u69cb\u6587\u304c\u4f3c\u3066\u304a\u308a\u3001\u901a\u5e38\u306f\u6b21\u306e\u90e8\u5206\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f5c\u6210: \u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u307e\u305f\u306f\u95a2\u6570\u306e\u4f5c\u6210\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u307e\u305f\u306f\u95a2\u6570\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc: \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u540d\u3001\u30c7\u30fc\u30bf\u578b\u3001\u5165\u51fa\u529b\u65b9\u5411\u3001\u305d\u306e\u4ed6\u306e\u60c5\u5831\u306a\u3069\u3001\u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u307e\u305f\u306f\u95a2\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9 \u30d6\u30ed\u30c3\u30af: \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u64cd\u4f5c\u3057\u305f\u308a\u3001\u7d50\u679c\u3092\u8fd4\u3059\u4e00\u9023\u306e SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u547c\u3073\u51fa\u3057: EXECUTE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u307e\u305f\u306f CALL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u307e\u305f\u306f\u95a2\u6570\u3092\u5b9f\u884c\u3057\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u6e21\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u524a\u9664: \u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u307e\u305f\u306f\u95a2\u6570\u3092\u524a\u9664\u3059\u308b\u306b\u306f\u3001DROP PROCEDURE \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u307e\u305f\u306f DROP FUNCTION \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30b9\u30c8\u30a2\u30c9 \u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3068\u95a2\u6570\u306f\u3001\u6b21\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406: \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u5fa9\u5143\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210\u3068\u524a\u9664\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u7ba1\u7406\u306a\u3069\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u64cd\u4f5c: \u30c7\u30fc\u30bf\u306e\u633f\u5165\u3001\u66f4\u65b0\u3001\u524a\u9664\u3001\u30c7\u30fc\u30bf\u306e\u30af\u30a8\u30ea\u306a\u3069\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u691c\u8a3c\u3068\u51e6\u7406:\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u306e\u691c\u8a3c\u3001\u30c7\u30fc\u30bf\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3001\u30c7\u30fc\u30bf\u306e\u8a08\u7b97\u306a\u3069\u3002<\/li>\n\n\n\n<li>\u30d3\u30b8\u30cd\u30b9 \u30ed\u30b8\u30c3\u30af\u51e6\u7406: \u30ec\u30dd\u30fc\u30c8\u306e\u8a08\u7b97\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u306a\u3069\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u6a19\u6e96SQL\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u5546\u7528\u304a\u3088\u3073\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u4f55\u3067\u3059\u304b<\/p>\n\n\n\n<p>\u6a19\u6e96SQL\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u591a\u304f\u306e\u5546\u7528\u304a\u3088\u3073\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u304c\u3042\u308a\u3001\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u306e\u3044\u304f\u3064\u304b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Oracle: SQL92 \u304a\u3088\u3073 SQL99 \u6a19\u6e96\u3068\u3044\u304f\u3064\u304b\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5546\u7528\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3002<\/li>\n\n\n\n<li>Microsoft SQL Server: SQL92 \u6a19\u6e96\u304a\u3088\u3073\u4e00\u90e8\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5546\u7528\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3002<\/li>\n\n\n\n<li>IBM Db2: SQL92 \u304a\u3088\u3073 SQL99 \u6a19\u6e96\u304a\u3088\u3073\u3044\u304f\u3064\u304b\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5546\u7528\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3002<\/li>\n\n\n\n<li>MySQL: SQL92 \u304a\u3088\u3073 SQL99 \u6a19\u6e96\u3068\u3044\u304f\u3064\u304b\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3002<\/li>\n\n\n\n<li>PostgreSQL: SQL92 \u304a\u3088\u3073 SQL99 \u6a19\u6e96\u3068\u3044\u304f\u3064\u304b\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3002<\/li>\n\n\n\n<li>SQLite:SQL92\u6a19\u6e96\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u7d44\u307f\u8fbc\u307f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3002<\/li>\n\n\n\n<li>MariaDB:\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3001SQL92\u304a\u3088\u3073SQL99\u6a19\u6e96\u3001\u304a\u3088\u3073\u3044\u304f\u3064\u304b\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308bMySQL\u306e\u30d5\u30a9\u30fc\u30af\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306f\u3059\u3079\u3066\u6a19\u6e96\u306eSQL\u8a00\u8a9e\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3044\u304f\u3064\u304b\u306e\u9055\u3044\u3084\u62e1\u5f35\u6a5f\u80fd\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u3055\u3089\u306b\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u51e6\u7406\u3084\u7d44\u307f\u8fbc\u307f\u30c7\u30d0\u30a4\u30b9\u306a\u3069\u3001\u7279\u5b9a\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5411\u3051\u306b\u7279\u5225\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u304c\u3042\u308a\u3001\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306f\u3088\u308a\u591a\u304f\u306eSQL\u62e1\u5f35\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u3067\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u306f SQL \u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u6982\u5ff5\u306e 1 \u3064\u3067\u3042\u308a\u3001\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u3092 1 \u3064\u306e\u8ad6\u7406\u30e6\u30cb\u30c3\u30c8\u306b\u7d50\u5408\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u64cd\u4f5c\u304c\u6210\u529f\u307e\u305f\u306f\u5931\u6557\u3057\u3066\u524d\u306e\u72b6\u614b\u306b\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u65b9\u6cd5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u3001\u5225\u500b\u306e\u4f5c\u696d\u5358\u4f4d\u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u308b\u4e00\u9023\u306e\u64cd\u4f5c\u3068\u3057\u3066\u7406\u89e3\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u64cd\u4f5c\u306b\u306f\u3001\u30c7\u30fc\u30bf\u306e\u633f\u5165\u3001\u66f4\u65b0\u3001\u524a\u9664\u306a\u3069\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5185\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u3068\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001\u3053\u308c\u3089\u306e\u64cd\u4f5c\u3092\u7279\u5b9a\u306e\u9806\u5e8f\u3067\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u5b9f\u884c\u4e2d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5168\u4f53\u304c\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3055\u308c\u308b\u305f\u3081\u3001\u3059\u3079\u3066\u306e\u5909\u66f4\u304c\u53d6\u308a\u6d88\u3055\u308c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u306e\u72b6\u614b\u306b\u623b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306f\u6b21\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u51e6\u7406\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u958b\u59cb: \u65b0\u3057\u3044\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>COMMIT: \u73fe\u5728\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u30b3\u30df\u30c3\u30c8\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>ROLLBACK: \u73fe\u5728\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u3059\u3079\u3066\u306e\u5909\u66f4\u3092\u5143\u306b\u623b\u3057\u3001\u4ee5\u524d\u306e\u72b6\u614b\u306b\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8: \u5f8c\u7d9a\u306e\u64cd\u4f5c\u3067\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3067\u304d\u308b\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30bb\u30fc\u30d6\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u306f\u3001\u7279\u306b\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u3092\u542b\u3080\u8907\u96d1\u306a\u30bf\u30b9\u30af\u3092\u51e6\u7406\u3059\u308b\u5834\u5408\u306b\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u4e00\u8cab\u6027\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u304c\u78ba\u4fdd\u3055\u308c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u6700\u65b0\u306e\u6574\u5408\u6027\u306e\u3042\u308b\u72b6\u614b\u306b\u56de\u5fa9\u3057\u3066\u3001\u30c7\u30fc\u30bf\u306e\u640d\u5931\u3084\u7834\u640d\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u63a5\u7d9a\u6587\u5b57\u5217\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u6587\u5b57\u5217\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u63a5\u7d9a\u65b9\u6cd5\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u542b\u3080\u6587\u5b57\u5217\u3067\u3059\u3002 \u3053\u308c\u306b\u306f\u901a\u5e38\u3001\u30c7\u30fc\u30bf \u30bd\u30fc\u30b9 (\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9 \u30b5\u30fc\u30d0\u30fc\u306e\u540d\u524d\u3084 IP \u30a2\u30c9\u30ec\u30b9\u306a\u3069)\u3001\u8a8d\u8a3c\u60c5\u5831 (\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u306a\u3069)\u3001\u304a\u3088\u3073\u63a5\u7d9a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u6587\u5b57\u30bb\u30c3\u30c8\u306a\u3069\u306e\u4ed6\u306e\u63a5\u7d9a\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u304c\u542b\u307e\u308c\u307e\u3059\u3002 \u63a5\u7d9a\u6587\u5b57\u5217\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u63a5\u7d9a\u6587\u5b57\u5217\u306f\u901a\u5e38\u3001\u30ea\u30e2\u30fc\u30c8 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9 \u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001MySQL \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u63a5\u7d9a\u6587\u5b57\u5217\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">arduinoCopy code<code>Server=myServerAddress;Port=1234;Database=myDataBase;Uid=myUsername;Pwd=myPassword;\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u3001 \u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30fb\u30b5\u30fc\u30d0\u306e\u540d\u524d\u307e\u305f\u306f IP \u30a2\u30c9\u30ec\u30b9\u3001 \u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30fb\u30b5\u30fc\u30d0\u306e\u30dd\u30fc\u30c8\u756a\u53f7\u3001 \u306f\u63a5\u7d9a\u5148\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u540d\u524d\u3001 \u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u63a5\u7d9a\u306b\u5fc5\u8981\u306a\u30e6\u30fc\u30b6\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3067\u3059\u3002<code>myServerAddress<\/code><code>1234<\/code><code>myDataBase<\/code><code>myUsername<\/code><code>myPassword<\/code><\/p>\n\n\n\n<p>\u63a5\u7d9a\u6587\u5b57\u5217\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\u3067\u304d\u307e\u3059\u3002 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0 (DBMS) \u304c\u7570\u306a\u308c\u3070\u3001\u4f7f\u7528\u3059\u308b\u63a5\u7d9a\u6587\u5b57\u5217\u306e\u5f62\u5f0f\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3082\u7570\u306a\u308a\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u6b63\u3057\u304f\u63a5\u7d9a\u3057\u3066\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u6b63\u3057\u3044\u63a5\u7d9a\u6587\u5b57\u5217\u3092\u69cb\u6210\u3059\u308b\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u3067\u306eIN\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u6559\u3048\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u306b\u304a\u3044\u3066\u3001\u6761\u4ef6\u306b\u4e00\u81f4\u3059\u308b\u884c\u304c\u7167\u4f1a\u7d50\u679c\u3067\u623b\u3055\u308c\u308b\u3088\u3046\u306b\u3001\u7bc0\u306b\u6761\u4ef6\u3092\u6307\u5b9a\u3059\u308b\u6f14\u7b97\u5b50\u3067\u3059\u3002<code>IN<\/code><code>WHERE<\/code><\/p>\n\n\n\n<p><code>IN<\/code>&nbsp;\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3001\u5024\u304c\u5024\u306e\u30bb\u30c3\u30c8\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c6\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u9867\u5ba2\u304c\u30a2\u30ea\u30b9\u3001\u30dc\u30d6\u3001\u307e\u305f\u306f\u30c1\u30e3\u30fc\u30ea\u30fc\u3067\u3042\u308b\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u6ce8\u6587\u30ec\u30b3\u30fc\u30c9\u3092\u8fd4\u3057\u307e\u3059\u3002<code>orders<\/code><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT * FROM orders\nWHERE customer_name IN ('Alice', 'Bob', 'Charlie');\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e00\u81f4\u3059\u308b\u5024\u306e\u30ea\u30b9\u30c8\u3092\u62ec\u5f27\u3067\u56f2\u307f\u3001\u30b3\u30f3\u30de\u3067\u533a\u5207\u3063\u3066\u6307\u5b9a\u3057\u307e\u3059\u3002 \u30af\u30a8\u30ea\u7d50\u679c\u306b\u306f\u3001\u9867\u5ba2\u540d\u304c \u3001\u3001\u307e\u305f\u306f \u3067\u3042\u308b\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u6ce8\u6587\u30ec\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<code>IN<\/code><code>orders<\/code><code>Alice<\/code><code>Bob<\/code><code>Charlie<\/code><\/p>\n\n\n\n<p><code>IN<\/code>&nbsp;\u6f14\u7b97\u5b50\u3092\u30b5\u30d6\u30af\u30a8\u30ea\u3068\u5171\u306b\u4f7f\u7528\u3057\u3066\u3001\u5225\u306e\u30af\u30a8\u30ea\u306e\u7d50\u679c\u306b\u57fa\u3065\u3044\u3066\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u51e6\u7406\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u306e SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u5c11\u306a\u304f\u3068\u3082 1 \u3064\u306e\u6ce8\u6587\u3092\u6301\u3064\u3059\u3079\u3066\u306e\u9867\u5ba2\u540d\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT * FROM customers\nWHERE customer_id IN (SELECT customer_id FROM orders);\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c6\u30fc\u30d6\u30eb\u306b\u5b58\u5728\u3059\u308b\u3059\u3079\u3066\u306e\u9867\u5ba2 ID \u3092\u8fd4\u3059\u30b5\u30d6\u30af\u30a8\u30ea\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002 \u30e1\u30a4\u30f3\u30af\u30a8\u30ea\u306f\u3001\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u7d50\u679c\u3068\u4e00\u81f4\u3059\u308b\u9867\u5ba2 ID \u3092\u6301\u3064\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u8fd4\u3057\u307e\u3059\u3002<code>IN<\/code><code>orders<\/code><code>customers<\/code><\/p>\n\n\n\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001\u6f14\u7b97\u5b50\u306f\u3001\u5024\u304c\u5024\u306e\u30bb\u30c3\u30c8\u307e\u305f\u306f\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u7d50\u679c\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c6\u30b9\u30c8\u3057\u3001\u30af\u30a8\u30ea\u7d50\u679c\u306b\u4e00\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u3092\u8fd4\u3059\u305f\u3081\u306e\u975e\u5e38\u306b\u4fbf\u5229\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002<code>IN<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u306e\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u306e\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u306f\u3001\u6587\u5b57\u307e\u305f\u306f\u6570\u5b57\u3092\u7167\u5408\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u7279\u6b8a\u8a18\u53f7\u3067\u3059\u3002 \u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u306f \u3068 \u3067\u3001\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<code>%<\/code><code>_<\/code><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>%<\/code>\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9: \u4efb\u610f\u306e\u9577\u3055\u306e\u6587\u5b57\u5217\u306b\u4e00\u81f4\u3059\u308b\u4efb\u610f\u306e\u6587\u5b57\u3092\u8868\u3057\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u958b\u59cb\u6587\u5b57\u5217\u3068\u7d42\u4e86\u6587\u5b57\u5217\u3092\u7167\u5408\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<code>%<\/code><code>a<\/code><code>a<\/code><code>SELECT * FROM table_name WHERE column_name LIKE 'a%a';&nbsp;<\/code><code>abcda<\/code><code>a123a<\/code><code>a<\/code><code>a<\/code><\/li>\n\n\n\n<li><code>_<\/code>\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9: 3 \u3064\u306e\u6587\u5b57\u3092\u8868\u3057\u3001\u4efb\u610f\u306e &lt;&gt; \u3064\u306e\u6587\u5b57\u306b\u4e00\u81f4\u3067\u304d\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u6b21\u3067\u59cb\u307e\u308a\u3001\u6b21\u3067\u7d42\u308f\u308b\u6587\u5b57\u5217\u3092\u7167\u5408\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002 sqlCopy code \u3053\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u958b\u59cb\u304a\u3088\u3073\u7d42\u4e86\u3059\u308b\u9577\u3055 &lt;&gt; \u306e\u6587\u5b57\u5217\u3092\u7167\u5408\u3067\u304d\u307e\u3059\u3002<code>_<\/code><code>a<\/code><code>a<\/code><code>SELECT * FROM table_name WHERE column_name LIKE 'a_a';&nbsp;<\/code><code>abcda<\/code><code>axaa<\/code><code>a<\/code><code>a<\/code><\/li>\n<\/ol>\n\n\n\n<p>\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u6f14\u7b97\u5b50\u3068\u5171\u306b\u4f7f\u7528\u3057\u3066\u3001\u53e5\u5185\u306e\u3042\u3044\u307e\u3044\u4e00\u81f4\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u4e00\u81f4\u3059\u308b\u6587\u5b57\u5217\u304c\u591a\u3059\u304e\u308b\u3068\u3001\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u307e\u305f\u3001\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u304c\u591a\u3059\u304e\u308b\u3068\u30af\u30a8\u30ea\u7d50\u679c\u304c\u4e0d\u6b63\u78ba\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5b9f\u969b\u306e\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<code>LIKE<\/code><code>WHERE<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u5225\u540d\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u3001\u5217\u3001\u307e\u305f\u306f\u5f0f\u306e\u4e00\u6642\u7684\u306a\u540d\u524d\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u69cb\u6587\u8981\u7d20\u3067\u3059\u3002 \u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8907\u96d1\u306a\u30af\u30a8\u30ea\u304c\u7c21\u7d20\u5316\u3055\u308c\u3001\u30af\u30a8\u30ea\u7d50\u679c\u304c\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002 \u5177\u4f53\u7684\u306b\u306f\u3001\u30a8\u30a4\u30ea\u30a2\u30b9\u306f\u6b21\u306e\u76ee\u7684\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c6\u30fc\u30d6\u30eb \u30a8\u30a4\u30ea\u30a2\u30b9: \u30c6\u30fc\u30d6\u30eb\u3092\u53c2\u7167\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u4e00\u6642\u7684\u306a\u540d\u524d\u3092\u30c6\u30fc\u30d6\u30eb\u306b\u4ed8\u3051\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u542b\u3080\u30af\u30a8\u30ea\u3067\u7279\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 \u4f8b: vbnetCopy \u30b3\u30fc\u30c9 \u3053\u306e\u4f8b\u3067\u306f\u3001&#8221;AS&#8221; \u30ad\u30fc\u30ef\u30fc\u30c9\u306f\u7701\u7565\u53ef\u80fd\u3067\u3042\u308a\u3001&#8221;AS&#8221; \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066 &#8220;\u5f93\u696d\u54e1&#8221; \u30c6\u30fc\u30d6\u30eb\u3068 &#8220;\u90e8\u9580&#8221; \u30c6\u30fc\u30d6\u30eb\u306b\u305d\u308c\u305e\u308c &#8220;e&#8221; \u3068 &#8220;d&#8221; \u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u307e\u3059\u3002<code>SELECT e.emp_name, d.dept_name FROM employees AS e INNER JOIN departments AS d ON e.dept_id = d.dept_id;<\/code><\/li>\n\n\n\n<li>\u5217\u306e\u30a8\u30a4\u30ea\u30a2\u30b9: \u5217\u3092\u53c2\u7167\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u4e00\u6642\u7684\u306a\u540d\u524d\u3092\u5217\u306b\u4ed8\u3051\u307e\u3059\u3002 \u3053\u308c\u306f\u3001\u30af\u30a8\u30ea\u3067\u95a2\u6570\u307e\u305f\u306f\u8a08\u7b97\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306b\u4fbf\u5229\u3067\u3059\u3002 \u4f8b: vbnet\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30fc\u3059\u308b \u3053\u306e\u4f8b\u3067\u306f\u3001\u30af\u30a8\u30ea\u3067\u53c2\u7167\u3059\u308b\u305f\u3081\u306b &#8220;salary * 0.1&#8221; &#8220;bonus&#8221; \u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u307e\u3057\u305f\u3002<code>SELECT emp_name, salary * 0.1 AS bonus FROM employees;<\/code><\/li>\n\n\n\n<li>\u5f0f\u306e\u30a8\u30a4\u30ea\u30a2\u30b9: \u5f0f\u3092\u53c2\u7167\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u4e00\u6642\u7684\u306a\u540d\u524d\u3092\u5f0f\u306b\u4ed8\u3051\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001sqlCopy \u30b3\u30fc\u30c9 \u3053\u306e\u4f8b\u3067\u306f\u3001CASE \u5f0f\u3092\u4f7f\u7528\u3057\u3066\u8cc3\u91d1\u306e\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u3001\u30af\u30a8\u30ea\u3067\u53c2\u7167\u3059\u308b\u305f\u3081\u306b &#8220;salary_range&#8221; \u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u307e\u3059\u3002<code>SELECT emp_name, CASE WHEN salary &gt;= 50000 THEN 'High' ELSE 'Low' END AS salary_range FROM employees;<\/code><\/li>\n<\/ol>\n\n\n\n<p>\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u3088\u308a\u7c21\u6f54\u306a\u69cb\u6587\u3068\u308f\u304b\u308a\u3084\u3059\u3044\u540d\u524d\u304c\u63d0\u4f9b\u3055\u308c\u308b\u305f\u3081\u3001\u30af\u30a8\u30ea\u3092\u8aad\u307f\u3084\u3059\u304f\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u3067\u306eUNION\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001UNION \u3092\u4f7f\u7528\u3057\u3066\u30012 \u3064\u4ee5\u4e0a\u306e SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u7d50\u679c\u3092 1 \u3064\u306e\u7d50\u679c\u30bb\u30c3\u30c8\u306b\u7d50\u5408\u3057\u307e\u3059\u3002 UNION \u3067\u306f\u3001\u5404 SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u540c\u3058\u6570\u306e\u5217\u3068\u540c\u69d8\u306e\u30c7\u30fc\u30bf\u578b\u306b\u3057\u3066\u30011 \u3064\u306e\u7d50\u679c\u30bb\u30c3\u30c8\u306b\u7d50\u5408\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>UNION \u306e\u57fa\u672c\u7684\u306a\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT column1, column2, ... FROM table1\nUNION\nSELECT column1, column2, ... FROM table2;\n<\/code><\/pre>\n\n\n\n<p>\u3053\u3053\u3067\u306e SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u62ec\u5f27\u3067\u56f2\u3080\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>(SELECT column1, column2, ... FROM table1)\nUNION\n(SELECT column1, column2, ... FROM table2);\n<\/code><\/pre>\n\n\n\n<p>UNION \u306f\u3001\u3059\u3079\u3066\u306e SELECT \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u7d50\u679c\u30bb\u30c3\u30c8\u5185\u3067\u4e00\u610f\u306e\u884c\u3092\u8fd4\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u81ea\u52d5\u7684\u306b\u91cd\u8907\u6392\u9664\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002 \u91cd\u8907\u3059\u308b\u884c\u3092\u542b\u3080\u3059\u3079\u3066\u306e\u884c\u3092\u8fd4\u3059\u5834\u5408\u306f\u3001UNION ALL \u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>UNION \u304a\u3088\u3073 UNION ALL \u306b\u52a0\u3048\u3066\u3001SQL \u306f INTERSECT \u3084 EXCEPT \u306a\u3069\u306e\u4ed6\u306e\u30bf\u30a4\u30d7\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u6f14\u7b97\u5b50\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u304c\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u304c\u3053\u308c\u3089\u306e\u6f14\u7b97\u5b50\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u3067\u5236\u7d04\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u5236\u7d04\u306f\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u3092\u5236\u9650\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u898f\u5247\u3067\u3059\u3002 \u3053\u308c\u3089\u306e\u898f\u5247\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u306e\u6709\u52b9\u6027\u3068\u6574\u5408\u6027\u3092\u4fdd\u8a3c\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8a2d\u8a08\u6a19\u6e96\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>SQL \u306e\u4e00\u822c\u7684\u306a\u5236\u7d04\u306e\u7a2e\u985e\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e3b\u30ad\u30fc\u5236\u7d04: \u4e3b\u30ad\u30fc\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308b\u5217\u3067\u3042\u308a\u3001\u5404\u30c6\u30fc\u30d6\u30eb\u306f\u4e3b\u30ad\u30fc\u3092 1 \u3064\u3060\u3051\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4e3b\u30ad\u30fc\u306f\u4e00\u610f\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001null \u306b\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u305a\u3001\u4ed6\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u5916\u90e8\u30ad\u30fc\u3078\u306e\u53c2\u7167\u3068\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 \u4e3b\u30ad\u30fc\u5236\u7d04\u306b\u3088\u308a\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5404\u30ec\u30b3\u30fc\u30c9\u304c\u4e00\u610f\u306e\u8b58\u5225\u5b50\u3092\u6301\u3064\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5916\u90e8\u30ad\u30fc\u5236\u7d04: \u5916\u90e8\u30ad\u30fc\u306f\u30012 \u3064\u306e\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u3092\u5b9a\u7fa9\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3001\u901a\u5e38\u306f 2 \u3064\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u5916\u90e8\u30ad\u30fc\u5236\u7d04\u306b\u3088\u308a\u3001\u3042\u308b\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u304c\u5225\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u5bfe\u5fdc\u3059\u308b\u30c7\u30fc\u30bf\u3092\u6301\u3064\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 \u5916\u90e8\u30ad\u30fc\u306f\u3001\u5225\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u307e\u305f\u306f\u4e00\u610f\u30ad\u30fc\u3092\u53c2\u7167\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u4e00\u610f\u6027\u5236\u7d04: \u4e00\u610f\u6027\u5236\u7d04\u306f\u3001\u5217\u307e\u305f\u306f\u5217\u306e\u30bb\u30c3\u30c8\u5185\u306e\u5024\u304c\u4e00\u610f\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u4e3b\u30ad\u30fc\u3068\u306f\u7570\u306a\u308a\u3001\u4e00\u610f\u6027\u5236\u7d04\u3067\u306f null \u5024\u3092\u8a31\u5bb9\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c1\u30a7\u30c3\u30af\u5236\u7d04: \u30c1\u30a7\u30c3\u30af\u5236\u7d04\u306f\u3001\u5217\u306e\u5024\u304c\u6e80\u305f\u3059\u5fc5\u8981\u304c\u3042\u308b\u6761\u4ef6\u3092\u5236\u9650\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001\u30c1\u30a7\u30c3\u30af\u5236\u7d04\u3092\u5b9a\u7fa9\u3057\u3066\u3001\u65e5\u4ed8\u5217\u306e\u5024\u304c\u7279\u5b9a\u306e\u65e5\u4ed8\u3088\u308a\u5927\u304d\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4e0a\u8a18\u306e\u4e00\u822c\u7684\u306a\u5236\u7d04\u30bf\u30a4\u30d7\u306b\u52a0\u3048\u3066\u3001NOT NULL \u5236\u7d04 (\u5217\u306b NULL \u5024\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081)\u3001DEFAULT \u5236\u7d04 (\u30ab\u30e9\u30e0\u306b\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3059\u308b\u3068\u304d\u306b\u5024\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f\u6307\u5b9a\u3055\u308c\u305f\u5024\u306b\u306a\u308a\u307e\u3059) \u306a\u3069\u306e\u4ed6\u306e\u30bf\u30a4\u30d7\u306e\u5236\u7d04\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306b\u3001\u5217\u306e\u5236\u7d04\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002 \u5236\u7d04\u3092\u6e80\u305f\u3055\u306a\u3044\u30c6\u30fc\u30d6\u30eb\u306b\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u304c\u30b9\u30ed\u30fc\u3055\u308c\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u5236\u7d04\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6709\u52b9\u6027\u3068\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u3067NULL\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001NULL \u306f\u5024\u304c\u6b20\u843d\u3057\u3066\u3044\u308b\u304b\u4e0d\u660e\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002 \u7a7a\u306e\u6587\u5b57\u5217\u3001\u30bc\u30ed\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u5024\u3067\u306f\u306a\u304f\u3001\u6b20\u640d\u5024\u3092\u8868\u3057\u307e\u3059\u3002 NULL \u306f\u3001\u7279\u5b9a\u306e\u5024\u304c\u6b20\u843d\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u30c7\u30fc\u30bf\u884c\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>NULL \u306f\u3001\u6587\u5b57\u5217\u3001\u6570\u5024\u3001\u65e5\u4ed8\u306a\u3069\u3001\u4efb\u610f\u306e\u30c7\u30fc\u30bf\u578b\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 WHERE \u53e5\u306b NULL \u304c\u542b\u307e\u308c\u308b\u5834\u5408\u3001\u901a\u5e38\u3001\u6761\u4ef6\u306f true \u3067\u306f\u306a\u3044\u3082\u306e\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u30af\u30a8\u30ea\u6642\u306b\u306f NULL \u5024\u3092\u614e\u91cd\u306b\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001NULL \u306f NULL \u81ea\u4f53\u3092\u542b\u3080\u3069\u306e\u5024\u3068\u3082\u7b49\u3057\u304f\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u3053\u306e\u305f\u3081\u3001\u30af\u30a8\u30ea\u3067\u5024\u304c NULL \u304b NULL \u3067\u306a\u3044\u304b\u3092\u5224\u65ad\u3059\u308b\u3068\u304d\u306f\u3001\u7b49\u53f7\u6f14\u7b97\u5b50\u3067\u306f\u306a\u304f\u3001IS NULL \u307e\u305f\u306f IS NOT NULL \u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT * FROM mytable WHERE column1 IS NULL;\nSELECT * FROM mytable WHERE column1 IS NOT NULL;\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30af\u30a8\u30ea\u306f\u3001column1 \u304c NULL \u307e\u305f\u306f NULL \u4ee5\u5916\u306e\u3059\u3079\u3066\u306e\u884c\u3092\u8fd4\u3057\u3001column1 \u304c\u4ed6\u306e\u5024\u3068\u7b49\u3057\u3044\u884c\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u3067\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5272\u308a\u5f53\u3066\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL \u3067\u306f\u3001\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u3001\u65b0\u3057\u3044\u30ec\u30b3\u30fc\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u308b\u305f\u3073\u306b\u81ea\u52d5\u7684\u306b\u5897\u52a0\u3059\u308b\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u4e00\u610f\u3067\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3055\u308c\u308b\u6574\u6570\u5024\u3067\u3059\u3002 \u4e00\u822c\u7684\u306a\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u3001MySQL \u3067\u306fAUTO_INCREMENT\u3055\u308c\u3001Oracle \u3067\u306f SEQUENCE \u3067\u3059\u3002<\/p>\n\n\n\n<p>\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5272\u308a\u5f53\u3066\u3092\u5b9f\u88c5\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u5b9a\u7fa9\u3059\u308b: \u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306f\u3001\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u5b9a\u7fa9\u3057\u3001\u305d\u306e\u30c7\u30fc\u30bf\u578b\u3092\u6574\u6570\u578b\u3068\u3057\u3066\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059 (\u305f\u3068\u3048\u3070\u3001MySQL \u3067 INT \u307e\u305f\u306f BIGINT \u3092\u4f7f\u7528\u3067\u304d\u307e\u3059)\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4e3b\u30ad\u30fc\u307e\u305f\u306f\u4e00\u610f\u6027\u5236\u7d04\u3068\u3057\u3066\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u633f\u5165: \u30c7\u30fc\u30bf\u3092\u633f\u5165\u3059\u308b\u5834\u5408\u3001\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u5024\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u305a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u3088\u3063\u3066\u4e00\u610f\u306e\u5897\u5206\u5024\u304c\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u81ea\u52d5\u7684\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b: \u30ec\u30b3\u30fc\u30c9\u3092\u633f\u5165\u3057\u305f\u5f8c\u3001LAST_INSERT_ID() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u95a2\u6570\u306f\u3001\u30ec\u30b3\u30fc\u30c9\u304c\u6700\u5f8c\u306b\u633f\u5165\u3055\u308c\u305f\u3068\u304d\u306b\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059 (\u305f\u3068\u3048\u3070\u3001MySQL \u3067\u306f SELECT LAST_INSERT_ID() \u3092\u4f7f\u7528\u3067\u304d\u307e\u3059)\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u307e\u305f\u306f\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u4e00\u610f\u6027\u306b\u7279\u5225\u306a\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3042\u308a\u3001\u305d\u3046\u3057\u306a\u3044\u3068\u30c7\u30fc\u30bf\u306e\u7af6\u5408\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u30ed\u30c3\u30af\u30fb\u30e1\u30ab\u30cb\u30ba\u30e0\u307e\u305f\u306f\u5206\u6563\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u81ea\u52d5\u62e1\u5f35\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u56fa\u6709\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u3067\u5927\u91cf\u306e\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL\u3067\u306f\u3001\u5927\u91cf\u306e\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u304c\u3042\u308a\u3001\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u65b9\u6cd5\u306e\u3044\u304f\u3064\u304b\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>INSERT INTO \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u884c\u306e\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3059\u308b: INSERT INTO \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u884c\u306e\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3057\u3001\u30c6\u30b9\u30c8 \u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>INSERT INTO mytable (column1, column2, column3) \nVALUES \n  ('value1', 'value2', 'value3'), \n  ('value4', 'value5', 'value6'),\n  ('value7', 'value8', 'value9');\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>SELECT INTO \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u30b3\u30d4\u30fc\u3059\u308b: SELECT INTO \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u65e2\u5b58\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u30b3\u30d4\u30fc\u3057\u3066\u30c6\u30b9\u30c8 \u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>SELECT * INTO mytable_copy FROM mytable;\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b: \u4e00\u90e8\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9 \u30b7\u30b9\u30c6\u30e0\u306b\u306f\u3001\u30e9\u30f3\u30c0\u30e0\u307e\u305f\u306f\u30b7\u30fc\u30b1\u30f3\u30b7\u30e3\u30eb \u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u7d44\u307f\u8fbc\u307f\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u305f\u3068\u3048\u3070\u3001MySQL \u3067\u306f\u3001RAND() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u4e71\u6570\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>INSERT INTO mytable (column1, column2, column3)\nSELECT \n  CONCAT('value', num), \n  RAND(), \n  NOW() \nFROM \n  (SELECT 1 AS num UNION SELECT 2 UNION SELECT 3) AS nums;\n<\/code><\/pre>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u30011 \u884c\u306e\u30c7\u30fc\u30bf\u304c\u633f\u5165\u3055\u308c\u3001\u5404\u884c\u306e\u6700\u521d\u306e\u5217\u306f &#8216;value2&#8217;\u3001&#8217;value3&#8217;\u3001\u304a\u3088\u3073 &#8216;value&lt;&gt;&#8217; \u3067\u3001&lt;&gt; \u756a\u76ee\u306e\u5217\u306f\u4e71\u6570\u3001&lt;&gt; \u756a\u76ee\u306e\u5217\u306f\u73fe\u5728\u306e\u65e5\u4ed8\u3068\u6642\u523b\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b:\u4e0a\u8a18\u306e\u65b9\u6cd5\u306b\u52a0\u3048\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30c4\u30fc\u30eb\u3068\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u7528\u3057\u3066\u3001Faker\u3084DataFactory\u306a\u3069\u306e\u5927\u91cf\u306e\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u3001\u540d\u524d\u3001\u4f4f\u6240\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3001\u65e5\u4ed8\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3067\u304d\u3001\u69cb\u6210\u3092\u901a\u3058\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u30c6\u30b9\u30c8 \u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306f\u3001\u751f\u6210\u3055\u308c\u305f\u30c7\u30fc\u30bf\u304c\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30b7\u30ca\u30ea\u30aa\u3068\u4e00\u81f4\u3057\u3001\u30c6\u30b9\u30c8\u306b\u6b63\u5e38\u306b\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30c7\u30fc\u30bf\u306e\u578b\u3001\u30b9\u30b3\u30fc\u30d7\u3001\u304a\u3088\u3073\u5b8c\u5168\u6027\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5b9f\u884c\u307e\u305f\u306f\u30c7\u30d0\u30c3\u30b0\u3092\u652f\u63f4\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u4e00\u822c\u7684\u306a\u30c4\u30fc\u30eb\u306f\u4f55\u3067\u3059\u304b<\/p>\n\n\n\n<p>\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u3067\u306f\u3001SQL \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5b9f\u884c\u307e\u305f\u306f\u30c7\u30d0\u30c3\u30b0\u3092\u652f\u63f4\u3059\u308b\u305f\u3081\u306b\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c4\u30fc\u30eb\u306b\u306f\u3001\u6b21\u306e\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>SQL Server Management Studio\u3001MySQL Workbench\u3001Oracle SQL Developer\u306a\u3069\u306eSQL\u30a8\u30c7\u30a3\u30bf\u306f\u3001SQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f5c\u6210\u3001\u5b9f\u884c\u3001\u304a\u3088\u3073\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u305f\u3081\u306e\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u76e3\u8996\u30c4\u30fc\u30eb: SQL \u30d7\u30ed\u30d5\u30a1\u30a4\u30e9\u3001MySQL \u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba \u30e2\u30cb\u30bf\u30fc\u306a\u3069\u3001\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u76e3\u8996\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\u3092\u8ffd\u8de1\u3057\u3001SQL \u30af\u30a8\u30ea\u306e\u5b9f\u884c\u30d7\u30e9\u30f3\u3092\u5206\u6790\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c7\u30d0\u30c3\u30ac:dbForge Studio\u3001Toad\u306a\u3069\u3001\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u306eSQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001\u30d6\u30ec\u30fc\u30af\u30dd\u30a4\u30f3\u30c8\u30c7\u30d0\u30c3\u30b0SQL\u30b3\u30fc\u30c9\u306b\u30b9\u30c6\u30c3\u30d7\u30a4\u30f3\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb:SQLUnit\u3001DbFit\u306a\u3069\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5358\u4f53\u30c6\u30b9\u30c8\u306e\u4f5c\u6210\u3001\u5b9f\u884c\u3001\u304a\u3088\u3073\u7ba1\u7406\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>Red Gate SQL Compare\u3001ApexSQL Diff\u306a\u3069\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u6bd4\u8f03\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30012\u3064\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u69cb\u9020\u3068\u30c7\u30fc\u30bf\u3092\u6bd4\u8f03\u3057\u3001\u5dee\u5206\u30ec\u30dd\u30fc\u30c8\u3092\u751f\u6210\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u30c4\u30fc\u30eb: Red Gate SQL \u30bd\u30fc\u30b9\u7ba1\u7406\u3001dbForge \u30bd\u30fc\u30b9\u7ba1\u7406\u306a\u3069\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3084\u30b3\u30fc\u30c9\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u7d71\u5408\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u3001\u958b\u767a\u8005\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3092\u3088\u308a\u8fc5\u901f\u304b\u3064\u52b9\u7387\u7684\u306b\u958b\u767a\u3001\u30c6\u30b9\u30c8\u3001\u30c7\u30d0\u30c3\u30b0\u3001\u304a\u3088\u3073\u4fdd\u5b88\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u3001\u958b\u767a\u52b9\u7387\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u54c1\u8cea\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u3068\u30a2\u30af\u30bb\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u4f55\u3067\u3059\u304b?<\/p>\n\n\n\n<p>\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u3068\u30a2\u30af\u30bb\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u591a\u6570\u3042\u308a\u307e\u3059\u3002 \u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u3044\u304f\u3064\u304b\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Apache Hadoop:Hadoop\u306f\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u5206\u6563\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u51e6\u7406\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002 HDFS(\u5206\u6563\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0)\u3068MapReduce(\u5206\u6563\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af)\u306e2\u3064\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u3068\u5206\u6790\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>Apache Cassandra: Cassandra \u306f\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u3092\u5206\u6563\u65b9\u5f0f\u3067\u683c\u7d0d\u304a\u3088\u3073\u51e6\u7406\u3059\u308b\u6a5f\u80fd\u3092\u5099\u3048\u305f\u3001\u9ad8\u5ea6\u306b\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u5206\u6563\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u3002 \u30de\u30eb\u30c1\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u306e\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u3001\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u5fc5\u8981\u3068\u3059\u308b\u5927\u898f\u6a21\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d5\u30a9\u30fc\u30eb\u30c8\u30c8\u30ec\u30e9\u30f3\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>MongoDB: MongoDB \u306f\u3001\u9ad8\u5ea6\u306b\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u5206\u6563\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30d9\u30fc\u30b9\u306e NoSQL \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u3002 \u3053\u308c\u306f\u3001\u975e\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u3068\u534a\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u306e\u4e21\u65b9\u3092\u683c\u7d0d\u3067\u304d\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6307\u5411\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u3002<\/li>\n\n\n\n<li>Apache Spark: Spark \u306f\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u5206\u6563\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002 \u5206\u6563\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u3068\u5206\u6790\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u3001\u534a\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u3001\u975e\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u578b\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a2\u30de\u30be\u30f3\u30a6\u30a7\u30d6\u30b5\u30fc\u30d3\u30b9(AWS):AWS\u306f\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u304a\u3088\u3073\u51e6\u7406\u3059\u308b\u305f\u3081\u306eElastic MapReduce(EMR)\u3001Simple Storage Service(S3)\u3001Redshift\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306f\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4e00\u90e8\u3067\u3059\u304c\u3001\u3059\u3079\u3066\u304c\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u30a2\u30af\u30bb\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u5b9f\u969b\u3001\u591a\u304f\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3067\u30d5\u30a9\u30fc\u30eb\u30c8 \u30c8\u30ec\u30e9\u30f3\u30c8\u3067\u3042\u308b\u305f\u3081\u3001\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u9069\u3057\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"http:\/\/edu.ujhb.org\/?p=784\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>SQL\u3092\u3088\u308a\u3088\u304f\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064Github\u306e\u512a\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u306f\u4f55\u3067\u3059\u304b<\/p>\n\n\n\n<p>Github\u306b\u306f\u3001SQL\u3092\u3088\u308a\u3088\u304f\u7406\u89e3\u3057\u3066\u5b66\u7fd2\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u591a\u304f\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3068\u30ea\u30bd\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u63a8\u5968\u3059\u308b\u4fa1\u5024\u306e\u3042\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u3044\u304f\u3064\u304b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>SQLZoo:\u521d\u5fc3\u8005\u5411\u3051\u306eWeb\u30d9\u30fc\u30b9\u306eSQL\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u3067\u76f4\u63a5SQL\u30af\u30a8\u30ea\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u6f14\u7fd2\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>DB Fiddle:\u591a\u304f\u306e\u7570\u306a\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001SQL\u30af\u30a8\u30ea\u306e\u8a18\u8ff0\u3068\u30c6\u30b9\u30c8\u306b\u4f7f\u7528\u3067\u304d\u308b\u30aa\u30f3\u30e9\u30a4\u30f3SQL\u30a8\u30c7\u30a3\u30bf\u30fc\u3002<\/li>\n\n\n\n<li>SQL \u30b9\u30bf\u30a4\u30eb \u30ac\u30a4\u30c9: SQL \u3092\u8a18\u8ff0\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8 \u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3001\u30b9\u30bf\u30a4\u30eb\u3001\u4ed5\u69d8\u3001\u304a\u3088\u3073 SQL \u30b3\u30fc\u30c9\u306e\u8aad\u307f\u3084\u3059\u3055\u3068\u4fdd\u5b88\u5bb9\u6613\u6027\u3092\u7db2\u7f85\u3057\u305f SQL \u30b3\u30fc\u30c7\u30a3\u30f3\u30b0 \u30b9\u30bf\u30a4\u30eb \u30ac\u30a4\u30c9\u3067\u3059\u3002<\/li>\n\n\n\n<li>SQL\u30af\u30c3\u30af\u30d6\u30c3\u30af:\u5b9f\u969b\u306e\u554f\u984c\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b7\u30ca\u30ea\u30aa\u3092\u8fc5\u901f\u306b\u89e3\u6c7a\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u591a\u304f\u306eSQL\u30af\u30a8\u30ea\u306e\u4f8b\u3068\u30d2\u30f3\u30c8\u3092\u53ce\u96c6\u3059\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3002<\/li>\n\n\n\n<li>sqlmap: Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u30c6\u30b9\u30c8\u304a\u3088\u3073\u8a55\u4fa1\u3057\u3001SQL \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u306e\u8106\u5f31\u6027\u3092\u81ea\u52d5\u7684\u306b\u691c\u51fa\u3057\u3066\u60aa\u7528\u3059\u308b\u4e00\u822c\u7684\u306a SQL 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src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=64&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u4e0a\u8a18\u306e\u77e5\u8b58\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>SQL\u306f\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306e\u5bfe\u8a71\u306b\u4f7f\u7528\u3055\u308c\u308b\u69cb\u9020\u5316\u30af\u30a8\u30ea\u8a00\u8a9e\u3067\u3042\u308a\u3001\u30c7\u30fc\u30bf\u5206\u6790\u3001\u30d3\u30b8\u30cd\u30b9\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u3001\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u3001\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u5206\u91ce\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 SQL 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