{"id":5803,"date":"2023-09-29T19:33:15","date_gmt":"2023-09-29T10:33:15","guid":{"rendered":"https:\/\/techmania.jp\/blog\/?p=5803"},"modified":"2024-12-12T10:41:01","modified_gmt":"2024-12-12T01:41:01","slug":"sql-update","status":"publish","type":"post","link":"https:\/\/techmania.jp\/blog\/sql-update\/","title":{"rendered":"\u3010SQL\u3011UPDATE\u6587\u306e\u57fa\u672c\u304b\u3089\u5fdc\u7528\u307e\u3067\u89e3\u8aac\uff01\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u6761\u4ef6\u306b\u5408\u308f\u305b\u3066\u66f4\u65b0\u3059\u308b"},"content":{"rendered":"\n<p>SQL\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u64cd\u4f5c\u3057\u3066\u3044\u308b\u3068\u304d\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u51fa\u3066\u304f\u308b\u3053\u3068\u304c\u3057\u3070\u3057\u3070\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u3093\u306a\u3068\u304d\u306b\u5f79\u7acb\u3064\u306e\u304c\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3059\u308b\u30af\u30a8\u30ea\u306eUPDATE\u6587\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001UPDATE\u6587\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u3001\u4ed6\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u53c2\u7167\u3057\u3066\u66f4\u65b0\u3059\u308b\u65b9\u6cd5\u3084\u3001\u8a2d\u5b9a\u3057\u305f\u6761\u4ef6\u306b\u5fdc\u3058\u3066\u30ec\u30b3\u30fc\u30c9\u3054\u3068\u306b\u7570\u306a\u308b\u5024\u3067\u66f4\u65b0\u3092\u884c\u3046\u65b9\u6cd5\u306a\u3069\u3001UPDATE\u6587\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u57fa\u790e\u304b\u3089\u5fdc\u7528\u307e\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<!-- \u672c\u8a18\u4e8b\u3067\u306f\u3001UPDATE\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u3001JOIN\u53e5\u3067\u4ed6\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u53c2\u7167\u3057\u3066\u66f4\u65b0\u3059\u308b\u65b9\u6cd5\u3084\u3001CASE\u5f0f\u3067\u6761\u4ef6\u5206\u5c90\u3055\u305b\u305f\u7d50\u679c\u306b\u3088\u3063\u3066\u30ec\u30b3\u30fc\u30c9\u3054\u3068\u306b\u66f4\u65b0\u3092\u884c\u3046\u65b9\u6cd5\u306a\u3069\u3001UPDATE\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002 -->\n\n\n\n<h2 id=\"outline__1\" class=\"wp-block-heading\">UPDATE\u6587\u3068\u306f<\/h2>\n\n\n\n<p>SQL\u306eUPDATE\u6587\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u547d\u4ee4\u3067\u3059\u3002UPDATE\u6587\u3092\u4f7f\u3046\u3053\u3068\u3067\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u306e\u307f\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u8907\u6570\u306e\u9805\u76ee\u3092\u5909\u66f4\u3057\u305f\u308a\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306b\u3042\u308b\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3057\u305f\u308a\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>UPDATE\u6587\u3092\u69cb\u6210\u3059\u308b\u305d\u308c\u305e\u308c\u306e\u53e5\u3068\u305d\u306e\u610f\u5473\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<style>\n    .referrence {\n        border: 2px solid rgb(140 140 140)!important;\n        border-collapse: collapse;\n        table-layout: auto;\n        width: 100%\n    }\n\n    .referrence th {\n        background-color: #B8CCE4 !important;\n        color: #000 !important;\n        text-align: center !important;\n    }\n\n    .referrence th,\n    .referrence td {\n        border: 1px solid rgb(160 160 160) !important;\n        padding: 1%;\n        background: #FFF\n    }\n\n    .referrence td:nth-last-child(n+2) {\n        text-align: center;\n        width: 30%;\n    }\n    \n    .referrence span.italic {\n        font-style: italic;\n    }\n<\/style>\n<table class=\"referrence\">\n    <thead>\n        <tr>\n            <th>\u30af\u30a8\u30ea<\/th>\n            <th>\u8aac\u660e<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <tr>\n            <td>UPDATE <span class=\"italic\">\u30c6\u30fc\u30d6\u30eb\u540d<\/span><\/td>\n            <td>\u66f4\u65b0\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/td>\n        <\/tr>\n        <tr>\n            <td>SET <span class=\"italic\">\u30ab\u30e9\u30e0\u540d=\u5024<\/span><\/td>\n            <td>\u66f4\u65b0\u3059\u308b\u30ab\u30e9\u30e0\u540d\u3068\u305d\u306e\u5024\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u8907\u6570\u306e\u30ab\u30e9\u30e0\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u3001\u30ab\u30f3\u30de\u3067\u533a\u5207\u308a\u307e\u3059\u3002<\/td>\n        <\/tr>\n        <tr>\n            <td>WHERE <span class=\"italic\">\u6761\u4ef6<\/span><\/td>\n            <td>\u6761\u4ef6\u3092\u6307\u5b9a\u3057\u3001\u5408\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002WHERE\u53e5\u3092\u7701\u7565\u3059\u308b\u3068\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5168\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/td>\n        <\/tr>\n    <\/tbody>\n<\/table>\n\n\n<p><strong>\u3010\u6761\u4ef6\u306b\u3042\u3066\u306f\u307e\u308b\u30c7\u30fc\u30bf\u30921\u3064\u3060\u3051\u66f4\u65b0\u3059\u308b\u5834\u5408\u3011<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\"><code><strong>UPDATE \u30c6\u30fc\u30d6\u30eb\u540d SET \u30ab\u30e9\u30e0\u540d=\u5024 WHERE \u6761\u4ef6;<\/strong><\/code><\/pre>\n\n\n<p>\u7279\u5b9a\u306e\u30ec\u30b3\u30fc\u30c9\u306e\u307f\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u4e0a\u8a18\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u3010\u66f4\u65b0\u3059\u308b\u9805\u76ee\u304c\u8907\u6570\u3042\u308b\u5834\u5408\u3011<\/strong><\/p>\n<p>\u8907\u6570\u30ab\u30e9\u30e0\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8a18\u8ff0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\"><code><strong>UPDATE \u30c6\u30fc\u30d6\u30eb\u540d SET \u30ab\u30e9\u30e0\u540d1=\u50241,\u30ab\u30e9\u30e0\u540d2=\u50242,\u2026 WHERE \u6761\u4ef6;<\/strong><\/code><\/pre>\n\n\n<p><strong>\u3010\u5168\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u3011<\/strong><\/p>\n<p>\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306e\u8a18\u8ff0\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\"><code><strong>UPDATE \u30c6\u30fc\u30d6\u30eb\u540d SET \u30ab\u30e9\u30e0\u540d=\u5024;<\/strong><\/code><\/pre>\n\n\n<p>\u5404\u9805\u76ee\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li><strong>UPDATE \u30c6\u30fc\u30d6\u30eb\u540d<\/strong><\/li>\n<\/ul>\n\n\n<p>\u66f4\u65b0\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n<ul>\n<li><strong>SET \u30ab\u30e9\u30e0\u540d=\u5024<\/strong><\/li>\n<\/ul>\n\n\n<p>\u66f4\u65b0\u3059\u308b\u30ab\u30e9\u30e0\u540d\u3068\u305d\u306e\u5024\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u8907\u6570\u306e\u30ab\u30e9\u30e0\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u3001\u30ab\u30f3\u30de\u3067\u533a\u5207\u308a\u307e\u3059\u3002<\/p>\n\n\n<ul>\n<li><strong>WHERE \u6761\u4ef6<\/strong><\/li>\n<\/ul>\n\n\n<p>WHERE\u53e5\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306e\u30c7\u30fc\u30bf\u306e\u7d5e\u308a\u8fbc\u307f\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u8a73\u3057\u304f\u306f\u3001\u5f53\u30d6\u30ed\u30b0\u306e<a href=\"https:\/\/techmania.jp\/blog\/sql0003\/\">\u3010SQL\u5165\u9580\u3011WHERE\u3067\u691c\u7d22\u6761\u4ef6\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac<\/a>\u3067\u3001WHERE\u306e\u57fa\u672c\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u6761\u4ef6\u3092\u6307\u5b9a\u3057\u3001\u6761\u4ef6\u306b\u5408\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u304c\u66f4\u65b0\u306e\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059\u3002WHERE\u53e5\u3092\u7701\u7565\u3059\u308b\u5834\u5408\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5168\u30ec\u30b3\u30fc\u30c9\u304c\u66f4\u65b0\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u8981\u7d20\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5168\u30ec\u30b3\u30fc\u30c9\u306e\u66f4\u65b0\u3001\u7279\u5b9a\u30ec\u30b3\u30fc\u30c9\u306e\u66f4\u65b0\u3001\u8907\u6570\u5217\u306e\u66f4\u65b0\u306a\u3069\u306e\u64cd\u4f5c\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"margin-top:4%;\">\n<a href=\"https:\/\/techmania.jp\/\"><\/a><p style=\"text-align:center; text-decoration:underline black; font-weight:bold;\">\u3042\u306a\u305f\u306e\u3054\u5e0c\u671b\u306b\u6cbf\u3063\u305f\u6848\u4ef6\u304c<span style=\"color: red;\">\u5fc5\u305a<\/span>\u898b\u3064\u304b\u308a\u307e\u3059<br>\u3010\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u5411\u3051\u3011<span style=\"color: red;\">\u9ad8\u53ce\u5165<\/span>\u30fb<span style=\"color: blue;\">\u597d\u5f85\u9047<\/span>\u306e\u6848\u4ef6\u3092\u3054\u7d39\u4ecb<\/p><\/a>\n<\/div>\n<div style=\"text-align:center; margin-top:1%;\"><a href=\"https:\/\/techmania.jp\/\"><img decoding=\"async\" style=\"filter: drop-shadow(0px 0px 3px rgba(0,0,0,0.3)); width:300px;\" alt=\"TECH MANIA \u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\" src=\"https:\/\/techmania.jp\/blog\/wp-content\/uploads\/2024\/01\/fl1.png\"><\/a><\/div>\n<div>\n<a href=\"https:\/\/techmania.jp\/\"><\/a><p style=\"margin-top: 1%;text-align:center; text-decoration:underline black; font-weight:bold;\">\u226b\u307e\u305a\u306f\u7c21\u5358<span style=\"color: blue;\">30<\/span>\u79d2\u3067<span style=\"color: red;\">\u7121\u6599\u304a\u554f\u3044\u5408\u308f\u305b<\/span>\u304b\u3089\u226a<\/p><\/a>\n\n\n\n<h2 id=\"outline__2\" class=\"wp-block-heading\">UPDATE\u6587\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<h4 id=\"outline__2_0_1\" class=\"wp-block-heading\">\u3010\u30b5\u30f3\u30d7\u30eb\u30c6\u30fc\u30d6\u30eb\u3011<\/h4>\n\n\n<p>\u300cUPDATE\u300d\u6587\u306e\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\u3057\u3066\u3044\u304f\u306b\u3042\u305f\u3063\u3066\u3001\u30b5\u30f3\u30d7\u30eb\u3068\u3057\u3066\u300c\u30c6\u30b9\u30c8\uff08test\uff09\u300d\u30c6\u30fc\u30d6\u30eb\u3092\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><strong>\u300c\u30c6\u30b9\u30c8\uff08test\uff09\u300d\u30c6\u30fc\u30d6\u30eb<\/strong><\/p>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>ID\uff08id\uff09<\/strong><\/td><td><strong><strong>\u6c0f\u540d\uff08name\uff09<\/strong><\/strong><\/td><td><strong><strong>\u6027\u5225\uff08gender\uff09<\/strong><\/strong><\/td><td><strong><strong>\u70b9\u6570\uff08point\uff09<\/strong><\/strong><\/td><\/tr><tr><td>1001<\/td><td>\u79cb\u5c71<\/td><td>\u7537<\/td><td>80<\/td><\/tr><tr><td>1002<\/td><td>\u4e45\u4fdd\u7530<\/td><td>\u5973<\/td><td>100<\/td><\/tr><tr><td>1003<\/td><td>\u4f50\u3005\u6728<\/td><td>\u5973<\/td><td>65<\/td><\/tr><tr><td>1004<\/td><td>\u4f50\u85e4<\/td><td>\u7537<\/td><td>75<\/td><\/tr><tr><td>1005<\/td><td>\u9234\u6728<\/td><td>\u5973<\/td><td>60<\/td><\/tr><tr><td>1006<\/td><td>\u7530\u4e2d<\/td><td>\u7537<\/td><td>90<\/td><\/tr><tr><td>1007<\/td><td>\u571f\u5c4b<\/td><td>\u5973<\/td><td>55<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"outline__2_1\" class=\"wp-block-heading\">\u6307\u5b9a\u30ec\u30b3\u30fc\u30c9\u306e\u66f4\u65b0<\/h3>\n\n\n\n<p>\u6307\u5b9a\u30ec\u30b3\u30fc\u30c9\u66f4\u65b0\u306f\u3001\u300cWHERE\u300d\u53e5\u3092\u7528\u3044\u3066\u3001\u6761\u4ef6\u306b\u5408\u81f4\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u306e\u3001\u6307\u5b9a\u3055\u308c\u305f\u30ab\u30e9\u30e0\u306e\u30c7\u30fc\u30bf\u304c\u65b0\u3057\u3044\u5024\u306b\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306f\u9234\u6728\u3055\u3093\u306e\u300c\u70b9\u6570\uff08point\uff09\u300d\u30ab\u30e9\u30e0\u3092\u300c65\u300d\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n<p><strong>\u3010\u5b9f\u884c\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\"><code><strong>UPDATE test SET point=65 WHERE id=1005;<\/strong><\/code><\/pre>\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><tbody><tr><td><strong>ID\uff08id\uff09<\/strong><\/td><td><strong><strong>\u6c0f\u540d\uff08name\uff09<\/strong><\/strong><\/td><td><strong><strong>\u6027\u5225\uff08gender\uff09<\/strong><\/strong><\/td><td><strong><strong>\u70b9\u6570\uff08point\uff09<\/strong><\/strong><\/td><\/tr><tr><td>1001<\/td><td>\u79cb\u5c71<\/td><td>\u7537<\/td><td>80<\/td><\/tr><tr><td>1002<\/td><td>\u4e45\u4fdd\u7530<\/td><td>\u5973<\/td><td>100<\/td><\/tr><tr><td>1003<\/td><td>\u4f50\u3005\u6728<\/td><td>\u5973<\/td><td>65<\/td><\/tr><tr><td>1004<\/td><td>\u4f50\u85e4<\/td><td>\u7537<\/td><td>75<\/td><\/tr><tr><td>1005<\/td><td>\u9234\u6728<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">65<\/mark><\/td><\/tr><tr><td>1006<\/td><td>\u7530\u4e2d<\/td><td>\u7537<\/td><td>90<\/td><\/tr><tr><td>1007<\/td><td>\u571f\u5c4b<\/td><td>\u5973<\/td><td>55<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"outline__2_2\" class=\"wp-block-heading\">\u6307\u5b9a\u30ec\u30b3\u30fc\u30c9\u306e\u8907\u6570\u30ab\u30e9\u30e0\u66f4\u65b0<\/h3>\n\n\n\n<p>\u4e00\u5ea6\u306e\u30af\u30a8\u30ea\u3067\u30c6\u30fc\u30d6\u30eb\u306e\u8907\u6570\u5217\u3092\u540c\u6642\u306b\u66f4\u65b0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u9234\u6728\u3055\u3093\u306e\u300c\u6027\u5225\uff08gender\uff09\u300d\u30ab\u30e9\u30e0\u3092\u300c\u7537\u300d\u306b\u3001\u540c\u6642\u306b\u300c\u70b9\u6570\uff08point\uff09\u300d\u30ab\u30e9\u30e0\u3092\u300c70\u300d\u306b\u66f4\u65b0\u3059\u308b\u5834\u5408\u3001\u6b21\u306e\u3088\u3046\u306a\u30af\u30a8\u30ea\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<p><strong>\u3010\u5b9f\u884c\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\"><code><strong>UPDATE test SET gender='\u7537',point=70 WHERE id=1005;<\/strong><\/code><\/pre>\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>ID\uff08id\uff09<\/strong><\/td><td><strong><strong>\u6c0f\u540d\uff08name\uff09<\/strong><\/strong><\/td><td><strong><strong>\u6027\u5225\uff08gender\uff09<\/strong><\/strong><\/td><td><strong><strong>\u70b9\u6570\uff08point\uff09<\/strong><\/strong><\/td><\/tr><tr><td>1001<\/td><td>\u79cb\u5c71<\/td><td>\u7537<\/td><td>80<\/td><\/tr><tr><td>1002<\/td><td>\u4e45\u4fdd\u7530<\/td><td>\u5973<\/td><td>100<\/td><\/tr><tr><td>1003<\/td><td>\u4f50\u3005\u6728<\/td><td>\u5973<\/td><td>65<\/td><\/tr><tr><td>1004<\/td><td>\u4f50\u85e4<\/td><td>\u7537<\/td><td>75<\/td><\/tr><tr><td>1005<\/td><td>\u9234\u6728<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u7537<\/mark><\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">70<\/mark><\/td><\/tr><tr><td>1006<\/td><td>\u7530\u4e2d<\/td><td>\u7537<\/td><td>90<\/td><\/tr><tr><td>1007<\/td><td>\u571f\u5c4b<\/td><td>\u5973<\/td><td>55<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"outline__2_3\" class=\"wp-block-heading\">\u5168\u30ec\u30b3\u30fc\u30c9\u306e\u66f4\u65b0<\/h3>\n\n\n\n<p>\u5168\u30ec\u30b3\u30fc\u30c9\u66f4\u65b0\u306f\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u4e00\u5ea6\u306b\u66f4\u65b0\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30af\u30a8\u30ea\u306f\u300c\u70b9\u6570\uff08point\uff09\u300d\u30ab\u30e9\u30e0\u3092100\u306b\u3059\u308b\u30af\u30a8\u30ea\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<p><strong>\u3010\u5b9f\u884c\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\"><code><strong>UPDATE test SET point=100;<\/strong><\/code><\/pre>\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>ID\uff08id\uff09<\/strong><\/td><td><strong><strong>\u6c0f\u540d\uff08name\uff09<\/strong><\/strong><\/td><td><strong><strong>\u6027\u5225\uff08gender\uff09<\/strong><\/strong><\/td><td><strong><strong>\u70b9\u6570\uff08point\uff09<\/strong><\/strong><\/td><\/tr><tr><td>1001<\/td><td>\u79cb\u5c71<\/td><td>\u7537<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">100<\/mark><\/td><\/tr><tr><td>1002<\/td><td>\u4e45\u4fdd\u7530<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">100<\/mark><\/td><\/tr><tr><td>1003<\/td><td>\u4f50\u3005\u6728<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">100<\/mark><\/td><\/tr><tr><td>1004<\/td><td>\u4f50\u85e4<\/td><td>\u7537<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">100<\/mark><\/td><\/tr><tr><td>1005<\/td><td>\u9234\u6728<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">100<\/mark><\/td><\/tr><tr><td>1006<\/td><td>\u7530\u4e2d<\/td><td>\u7537<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">100<\/mark><\/td><\/tr><tr><td>1007<\/td><td>\u571f\u5c4b<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">100<\/mark><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"margin-top:4%;\">\n<p style=\"text-align:center; text-decoration:underline blue; font-weight:bold;\"><a href=\"https:\/\/techmania.jp\/lp\/2\">\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u790e\u304b\u3089\u30b5\u30a4\u30c8\u5236\u4f5c\u307e\u3067<br>\u2193\u5b9f\u8df5\u529b\u304c\u8eab\u306b\u3064\u304f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u2193<\/a><\/p>\n<\/div>\n<div style=\"text-align:center; margin-top:1%;\"><a href=\"https:\/\/techmania.jp\/lp\/2\"><img decoding=\"async\" style=\"width:300px;\" alt=\"IT\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b66\u6821 \u30c6\u30c3\u30af\u30de\u30cb\u30a2\u30b9\u30af\u30fc\u30eb\" src=\"https:\/\/techmania.jp\/blog\/wp-content\/uploads\/2023\/05\/sc4.jpg\"><\/a><\/div>\n<div style=\"margin-top:-0.3%;\">\n<p style=\"text-align:center; text-decoration:underline red; font-weight:bold;\"><a href=\"https:\/\/techmania.jp\/lp\/2\"><font color=\"red\">\u226b\u30e2\u30cb\u30bf\u30fc\u5272\u5f15\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u5b9f\u65bd\u4e2d\uff01\u226a<\/font><\/a><\/p>\n<\/div>\n\n\n\n<h3 id=\"outline__2_4\" class=\"wp-block-heading\">IN\u53e5\u3067WHERE\u306e\u5bfe\u8c61\u3092\u500b\u5225\u306b\u6307\u5b9a\u3059\u308b\uff08\u8907\u6570\u6307\u5b9a\u53ef\uff09<\/h3>\n\n\n\n<p>IN\u53e5\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001WHERE\u53e5\u306e\u6761\u4ef6\u3092\u3055\u3089\u306b\u7d5e\u308a\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u5ea6\u306b\u8907\u6570\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3057\u305f\u3044\u3082\u306e\u306e\u5168\u3066\u306b\u5171\u901a\u3059\u308b\u6761\u4ef6\u304c\u306a\u3044\u5834\u5408\u3084\u3001OR\u53e5\u3092\u4f7f\u7528\u3059\u308b\u4ee3\u308f\u308a\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u3010\u57fa\u672c\u69cb\u6587\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>UPDATE <em>\u30c6\u30fc\u30d6\u30eb\u540d<\/em> SET <em>\u30ab\u30e9\u30e0\u540d=\u5024<\/em> WHERE <em>\u30ab\u30e9\u30e0\u540d<\/em> IN (<em>\u50241<\/em>, <em>\u50242<\/em>, <em>\u50243<\/em>, ...)<\/code><\/pre>\n\n\n\n<p>IN\u306e\u524d\u306bNOT\u3092\u4ed8\u3051\u3066NOT IN\u306b\u3059\u308b\u3053\u3068\u3067\u3001IN\u53e5\u306e\u3042\u3068\u306b\u6307\u5b9a\u3057\u305f\u5024\u4ee5\u5916\u306e\u5168\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001NOT\u3092\u4f7f\u7528\u3059\u308b\u3068\u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u3089\u306a\u3044\u30c7\u30fc\u30bf\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5168\u691c\u7d22\u304c\u59cb\u307e\u3063\u3066\u3057\u307e\u3044\u3001\u51e6\u7406\u304c\u91cd\u304f\u306a\u308a\u3084\u3059\u3044\u3068\u3044\u3046\u6b20\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001NOT IN\u306e\u5b89\u6613\u306a\u4f7f\u7528\u306f\u6975\u529b\u907f\u3051\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><strong>\u3010\u5b9f\u884c\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>UPDATE test SET gender='\u7537' WHERE id IN (1002, 1003, 1007)<\/code><\/pre>\n\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>ID\uff08id\uff09<\/strong><\/td><td><strong><strong>\u6c0f\u540d\uff08name\uff09<\/strong><\/strong><\/td><td><strong><strong>\u6027\u5225\uff08gender\uff09<\/strong><\/strong><\/td><td><strong><strong>\u70b9\u6570\uff08point\uff09<\/strong><\/strong><\/td><\/tr><tr><td>1001<\/td><td>\u79cb\u5c71<\/td><td>\u7537<\/td><td>80<\/td><\/tr><tr><td>1002<\/td><td>\u4e45\u4fdd\u7530<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u7537<\/mark><\/td><td>100<\/td><\/tr><tr><td>1003<\/td><td>\u4f50\u3005\u6728<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u7537<\/mark><\/td><td>65<\/td><\/tr><tr><td>1004<\/td><td>\u4f50\u85e4<\/td><td>\u7537<\/td><td>75<\/td><\/tr><tr><td>1005<\/td><td>\u9234\u6728<\/td><td>\u5973<\/td><td>60<\/td><\/tr><tr><td>1006<\/td><td>\u7530\u4e2d<\/td><td>\u7537<\/td><td>90<\/td><\/tr><tr><td>1007<\/td><td>\u571f\u5c4b<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">\u7537<\/mark><\/td><td>55<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"outline__3\" class=\"wp-block-heading\">UPDATE\u6587\u306e\u5fdc\u7528<\/h2>\n\n\n\n<p>UPDATE\u6587\u306f\u4ed6\u306eSQL\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u305d\u306e\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n<p>\u5148\u307b\u3069\u306e\u30b5\u30f3\u30d7\u30eb\u30c6\u30fc\u30d6\u30eb\u3092\u518d\u5ea6\u8f09\u305b\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p><strong>\u300c\u30c6\u30b9\u30c8\uff08test\uff09\u300d\u30c6\u30fc\u30d6\u30eb<\/strong><\/p>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>ID\uff08id\uff09<\/strong><\/td><td><strong><strong>\u6c0f\u540d\uff08name\uff09<\/strong><\/strong><\/td><td><strong><strong>\u6027\u5225\uff08gender\uff09<\/strong><\/strong><\/td><td><strong><strong>\u70b9\u6570\uff08point\uff09<\/strong><\/strong><\/td><\/tr><tr><td>1001<\/td><td>\u79cb\u5c71<\/td><td>\u7537<\/td><td>80<\/td><\/tr><tr><td>1002<\/td><td>\u4e45\u4fdd\u7530<\/td><td>\u5973<\/td><td>100<\/td><\/tr><tr><td>1003<\/td><td>\u4f50\u3005\u6728<\/td><td>\u5973<\/td><td>65<\/td><\/tr><tr><td>1004<\/td><td>\u4f50\u85e4<\/td><td>\u7537<\/td><td>75<\/td><\/tr><tr><td>1005<\/td><td>\u9234\u6728<\/td><td>\u5973<\/td><td>60<\/td><\/tr><tr><td>1006<\/td><td>\u7530\u4e2d<\/td><td>\u7537<\/td><td>90<\/td><\/tr><tr><td>1007<\/td><td>\u571f\u5c4b<\/td><td>\u5973<\/td><td>55<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<p>\u3053\u308c\u306b\u52a0\u3048\u3066\u3082\u3046\u4e00\u3064\u65b0\u305f\u306a\u30c6\u30fc\u30d6\u30eb\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u300c\u6027\u5225\uff08new_gender\uff09\u300d\u30c6\u30fc\u30d6\u30eb<\/strong><\/p>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\u65e7\u6027\u5225\uff08ex_gender\uff09<\/strong><\/td><td><strong>\u6027\u5225\u756a\u53f7<strong>\uff08gender_number\uff09<\/strong><\/strong><\/td><\/tr><tr><td>\u7537<\/td><td>1<\/td><\/tr><tr><td>\u5973<\/td><td>2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"outline__3_1\" class=\"wp-block-heading\">\u8a08\u7b97\u3057\u305f\u7d50\u679c\u3067\u66f4\u65b0\u3059\u308b<\/h3>\n\n\n\n<p>\u4f8b\u3068\u3057\u3066\u3001\u4e0a\u8a18\u30c6\u30fc\u30d6\u30eb\u306b\u304a\u3044\u3066\u3001\u5168\u3066\u306e\u300c\u70b9\u6570\uff08point\uff09\u300d\u30ab\u30e9\u30e0\u306e\u5024\u309210\u70b9\u5f15\u304f\u5f62\u3067\u66f4\u65b0\u3059\u308b\u30b1\u30fc\u30b9\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u5834\u5408\u306eUPDATE\u6587\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<p><strong>\u3010\u5b9f\u884c\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\"><code><strong>UPDATE test SET point=point-10;<\/strong><\/code><\/pre>\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>ID\uff08id\uff09<\/strong><\/td><td><strong><strong>\u6c0f\u540d\uff08name\uff09<\/strong><\/strong><\/td><td><strong><strong>\u6027\u5225\uff08gender\uff09<\/strong><\/strong><\/td><td><strong><strong>\u70b9\u6570\uff08point\uff09<\/strong><\/strong><\/td><\/tr><tr><td>1001<\/td><td>\u79cb\u5c71<\/td><td>\u7537<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">70<\/mark><\/td><\/tr><tr><td>1002<\/td><td>\u4e45\u4fdd\u7530<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">90<\/mark><\/td><\/tr><tr><td>1003<\/td><td>\u4f50\u3005\u6728<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">55<\/mark><\/td><\/tr><tr><td>1004<\/td><td>\u4f50\u85e4<\/td><td>\u7537<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">65<\/mark><\/td><\/tr><tr><td>1005<\/td><td>\u9234\u6728<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">50<\/mark><\/td><\/tr><tr><td>1006<\/td><td>\u7530\u4e2d<\/td><td>\u7537<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">80<\/mark><\/td><\/tr><tr><td>1007<\/td><td>\u571f\u5c4b<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">45<\/mark><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3053\u306eSQL\u6587\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u5168\u3066\u306e\u751f\u5f92\u306e\u30c6\u30b9\u30c8\u306e\u70b9\u6570\u304c10\u70b9\u4f4e\u304f\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"outline__3_2\" class=\"wp-block-heading\">JOIN\u3092\u7528\u3044\u305f\u30c7\u30fc\u30bf\u66f4\u65b0<\/h3>\n\n\n\n<p>UPDATE\u6587\u3067\u306f\u3001JOIN\u53e5\u3092\u7528\u3044\u3066\u4ed6\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u53c2\u7167\u3057\u306a\u304c\u3089\u3001\u30c7\u30fc\u30bf\u306e\u66f4\u65b0\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7570\u306a\u308b\u30c6\u30fc\u30d6\u30eb\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u3088\u308a\u67d4\u8edf\u306a\u30c7\u30fc\u30bf\u66f4\u65b0\u304c\u884c\u3048\u307e\u3059\u3002<\/p>\n\n\n<p>\u500b\u4eba\u60c5\u5831\u306e\u89b3\u70b9\u3067\u300c\u30c6\u30b9\u30c8\uff08test\uff09\u300d\u30c6\u30fc\u30d6\u30eb\u306e\u300c\u6027\u5225\uff08gender\uff09\u300d\u30ab\u30e9\u30e0\u306e\u3046\u3061\u3001\u300c\u7537\u300d\u3092\u300c1\u300d\u3001\u300c\u5973\u300d\u3092\u300c2\u300d\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\u305d\u3053\u3067\u3001\u8ffd\u52a0\u3055\u308c\u305f\u30b5\u30f3\u30d7\u30eb\u30c6\u30fc\u30d6\u30eb\u300c\u6027\u5225\uff08new_gender\uff09\u300d\u30c6\u30fc\u30d6\u30eb\u3092\u5229\u7528\u3057\u3001\u300c\u30c6\u30b9\u30c8\uff08test\uff09\u300d\u30c6\u30fc\u30d6\u30eb\u306e\u300c\u6027\u5225\uff08gender\uff09\u300d\u30ab\u30e9\u30e0\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u304c\u305d\u306e\u30af\u30a8\u30ea\u3067\u3059\u3002<\/p>\n<p><strong>\u3010\u5b9f\u884c\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\"><code><strong>UPDATE test JOIN new_gender ON test.gender=new_gender.ex_gender SET test.gender=new_gender.gender_number;<\/strong><\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u30af\u30a8\u30ea\u3067\u306f\u3001\u300c\u30c6\u30b9\u30c8\uff08test\uff09\u300d\u30c6\u30fc\u30d6\u30eb\u3068\u300c\u6027\u5225\uff08new_gender\uff09\u300d\u30c6\u30fc\u30d6\u30eb\u3092\u300c\u6027\u5225\uff08gender\uff09\u300d\u30ab\u30e9\u30e0\u3067\u7d10\u3065\u3051\u3001\u300c\u6027\u5225\uff08new_gender\uff09\u300d\u30c6\u30fc\u30d6\u30eb\u306e\u300c\u6027\u5225\u756a\u53f7\uff08gender_number\uff09\u300d\u30ab\u30e9\u30e0\u306e\u5024\u3067\u300c\u30c6\u30b9\u30c8\uff08test\uff09\u300d\u30c6\u30fc\u30d6\u30eb\u306e\u300c\u6027\u5225\uff08gender\uff09\u300d\u30ab\u30e9\u30e0\u3092\u76f4\u63a5\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>JOIN\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/techmania.jp\/blog\/sql-join\/\" data-type=\"link\" data-id=\"https:\/\/techmania.jp\/blog\/sql-join\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u3061\u3089<\/a>\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u826f\u3051\u308c\u3070\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>ID\uff08id\uff09<\/strong><\/td><td><strong><strong>\u6c0f\u540d\uff08name\uff09<\/strong><\/strong><\/td><td><strong><strong>\u6027\u5225\uff08gender\uff09<\/strong><\/strong><\/td><td><strong><strong>\u70b9\u6570\uff08point\uff09<\/strong><\/strong><\/td><\/tr><tr><td>1001<\/td><td>\u79cb\u5c71<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">1<\/mark><\/td><td>80<\/td><\/tr><tr><td>1002<\/td><td>\u4e45\u4fdd\u7530<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">2<\/mark><\/td><td>100<\/td><\/tr><tr><td>1003<\/td><td>\u4f50\u3005\u6728<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">2<\/mark><\/td><td>65<\/td><\/tr><tr><td>1004<\/td><td>\u4f50\u85e4<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">1<\/mark><\/td><td>75<\/td><\/tr><tr><td>1005<\/td><td>\u9234\u6728<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">2<\/mark><\/td><td>60<\/td><\/tr><tr><td>1006<\/td><td>\u7530\u4e2d<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">1<\/mark><\/td><td>90<\/td><\/tr><tr><td>1007<\/td><td>\u571f\u5c4b<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">2<\/mark><\/td><td>55<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<p>\u3061\u306a\u307f\u306b\u3001\u30b5\u30d6\u30af\u30a8\u30ea\uff08\u526f\u554f\u3044\u5408\u308f\u305b\uff09\u3067\u8a18\u8ff0\u3059\u308b\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u3010\u5b9f\u884c\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\"><code><strong>UPDATE test SET test.gender=(SELECT new_gender.gender_number FROM new_gender WHERE test.gender=new_gender.ex_gender);<\/strong><\/code><\/pre>\n\n\n\n<p>JOIN\u53e5\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u5408\u308f\u305b\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\uff01<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-techmania wp-block-embed-techmania\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"RfnzsfYmxS\"><a href=\"https:\/\/techmania.jp\/blog\/sql-join\/\">\u3010SQL\u5165\u9580\u3011JOIN\u3067\u30c6\u30fc\u30d6\u30eb\u7d50\u5408\uff01\u7a2e\u985e\u3068\u4f7f\u3044\u65b9\u3092\u89e3\u8aac<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;\u3010SQL\u5165\u9580\u3011JOIN\u3067\u30c6\u30fc\u30d6\u30eb\u7d50\u5408\uff01\u7a2e\u985e\u3068\u4f7f\u3044\u65b9\u3092\u89e3\u8aac&#8221; &#8212; TechMania\" src=\"https:\/\/techmania.jp\/blog\/sql-join\/embed\/#?secret=BnizjvdMoo#?secret=RfnzsfYmxS\" data-secret=\"RfnzsfYmxS\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 id=\"outline__3_3\" class=\"wp-block-heading\">CASE\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u6761\u4ef6\u5206\u5c90\u3067\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b<\/h3>\n\n\n\n<p>UPDATE\u6587\u3067\u306f\u3001\u6761\u4ef6\u306b\u3088\u3063\u3066\u7d50\u679c\u3092\u5206\u5c90\u3055\u305b\u308b<a href=\"https:\/\/techmania.jp\/blog\/sql-case\/\" data-type=\"link\" data-id=\"https:\/\/techmania.jp\/blog\/sql-case\/\" target=\"_blank\" rel=\"noreferrer noopener\">CASE\u5f0f<\/a>\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30ec\u30b3\u30fc\u30c9\u3054\u3068\u306b\u7570\u306a\u308b\u30c7\u30fc\u30bf\u306e\u66f4\u65b0\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u203b\u8aac\u660e\u3059\u308b\u3046\u3048\u3067\u3001\u73fe\u5b9f\u7684\u3067\u306f\u306a\u3044\u4f8b\u3048\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300c\u6027\u5225\uff08gender\uff09\u300d\u30ab\u30e9\u30e0\u306e\u5024\u306b\u5fdc\u3058\u3066\u300c\u70b9\u6570\uff08point\uff09\u300d\u30ab\u30e9\u30e0\u306e\u5024\u3092\u6761\u4ef6\u5206\u5c90\u3055\u305b\u3066\u66f4\u65b0\u3059\u308b\u4f8b\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n<p><strong>\u3010\u5b9f\u884c\u30b3\u30fc\u30c9\u3011<\/strong><\/p>\n\n\n<pre class=\"wp-block-code\"><code><strong>UPDATE test SET test.point=CASE test.gender\n WHEN '\u7537' THEN point+5  -- \u7537\u5b50\u751f\u5f92\u306f5\u70b9\u52a0\u70b9\n WHEN '\u5973' THEN point-5  -- \u5973\u5b50\u751f\u5f92\u306f5\u70b9\u6e1b\u70b9\n ELSE gender             -- \u305d\u308c\u4ee5\u5916\u306e\u30eb\u30fc\u30c8\u306f\u4fa1\u683c\u5909\u66f4\u306a\u3057\n END;<\/strong><\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u300c\u6027\u5225\uff08gender\uff09\u300d\u306e\u5024\u306b\u5fdc\u3058\u3066\u300c\u70b9\u6570\uff08point\uff09\u300d\u304c\u7570\u306a\u308b\u8a08\u7b97\u5f0f\u3067\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002\u66f4\u65b0\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n<p><strong>\u3010\u5b9f\u884c\u7d50\u679c\u3011<\/strong><\/p>\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>ID\uff08id\uff09<\/strong><\/td><td><strong><strong>\u6c0f\u540d\uff08name\uff09<\/strong><\/strong><\/td><td><strong><strong>\u6027\u5225\uff08gender\uff09<\/strong><\/strong><\/td><td><strong><strong>\u70b9\u6570\uff08point\uff09<\/strong><\/strong><\/td><\/tr><tr><td>1001<\/td><td>\u79cb\u5c71<\/td><td>\u7537<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">85<\/mark><\/td><\/tr><tr><td>1002<\/td><td>\u4e45\u4fdd\u7530<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">95<\/mark><\/td><\/tr><tr><td>1003<\/td><td>\u4f50\u3005\u6728<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">60<\/mark><\/td><\/tr><tr><td>1004<\/td><td>\u4f50\u85e4<\/td><td>\u7537<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">80<\/mark><\/td><\/tr><tr><td>1005<\/td><td>\u9234\u6728<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">55<\/mark><\/td><\/tr><tr><td>1006<\/td><td>\u7530\u4e2d<\/td><td>\u7537<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">95<\/mark><\/td><\/tr><tr><td>1007<\/td><td>\u571f\u5c4b<\/td><td>\u5973<\/td><td><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">50<\/mark><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>CASE\u5f0f\u3092\u4f7f\u3063\u305f\u6761\u4ef6\u5206\u5c90\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/techmania.jp\/blog\/sql-case\/\" data-type=\"link\" data-id=\"https:\/\/techmania.jp\/blog\/sql-case\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u3061\u3089<\/a>\u306e\u8a18\u4e8b\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u3088\u3051\u308c\u3070\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 id=\"outline__4\" class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4eca\u56de\u306fUPDATE\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3059\u308bUPDATE\u306fSQL\u306e\u4e2d\u3067\u3082\u91cd\u8981\u306a\u6a5f\u80fd\u3068\u306a\u308b\u306e\u3067\u3001\u3088\u308a\u826f\u3044SQL\u6587\u3092\u66f8\u3051\u308b\u3088\u3046\u306b\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u305c\u3072\u5f79\u7acb\u3066\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n\n\n\n<h2 id=\"outline__5\" class=\"wp-block-heading\">SQL\u95a2\u9023\u8a18\u4e8b<\/h2>\n\n\n<div class=\"bgBox\">\n<ul>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql0002\/\" target=\"_blank\" rel=\"noopener\">RDB\u3092\u64cd\u4f5c\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a00\u8a9e<strong>\u300cSQL\u300d<\/strong>\u3068\u306f\uff1f<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/nosql-notonlysql\/\" target=\"_blank\" rel=\"noopener\">RDB\u4ee5\u5916\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<strong>\u300cNoSQL\u300d<\/strong>\u3068\u306f\uff1f<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/post-3185\/\" target=\"_blank\" rel=\"noopener\">RDB\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<strong>\u300cMySQL\u300d<\/strong>\u3068\u306f\uff1f<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/postgresql\/\" target=\"_blank\" rel=\"noopener\">RDB\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<strong>\u300cPostgreSQL\u300d<\/strong>\u3068\u306f\uff1f<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-server\/\" target=\"_blank\" rel=\"noopener\">RDB\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<strong>\u300cSQL Server\u300d<\/strong>\u3068\u306f\uff1f<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sqlite\/\" target=\"_blank\" rel=\"noopener\">RDB\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<strong>\u300cSQLite\u300d<\/strong>\u3068\u306f\uff1f<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-phpmyadmin\/\" target=\"_blank\" rel=\"noopener\">\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067MySQL\u3092\u7ba1\u7406\u3067\u304d\u308b<strong>\u300cphpMyAdmin\u300d<\/strong>\u3068\u306f\uff1f<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-select\/\" target=\"_blank\" rel=\"noopener\">\u30c7\u30fc\u30bf\u3092\u62bd\u51fa\u3059\u308b<strong>\u300cSELECT\u300d<\/strong>\u6587<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-insert\/\" target=\"_blank\" rel=\"noopener\">\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3059\u308b<strong>\u300cINSERT\u300d<\/strong>\u6587<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-delete\/\" target=\"_blank\" rel=\"noopener\">\u30c7\u30fc\u30bf\u3092\u524a\u9664\u3059\u308b<strong>\u300cDELETE\u300d<\/strong>\u6587<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-update\/\" target=\"_blank\" rel=\"noopener\">\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b<strong>\u300cUPDATE\u300d<\/strong>\u6587<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-alter-table\/\" target=\"_blank\" rel=\"noopener\">\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u3092\u5909\u66f4\u3059\u308b<strong>\u300cALTER TABLE\u300d<\/strong>\u6587<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql0003\/\" target=\"_blank\" rel=\"noopener\">\u62bd\u51fa\u6761\u4ef6\u3092\u6307\u5b9a\u3059\u308b<strong>\u300cWHERE\u300d<\/strong>\u53e5<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-having\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #000000;\">\u62bd\u51fa\u6761\u4ef6\u3092\u6307\u5b9a\u3059\u308b<strong>\u300cHAVING\u300d<\/strong>\u53e5<\/span><\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql0004\/\" target=\"_blank\" rel=\"noopener\">\u8907\u6570\u306e\u62bd\u51fa\u6761\u4ef6\u3092\u307e\u3068\u3081\u308b<\/a><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql0004\/\" target=\"_blank\" rel=\"noopener\"><strong>\u300cIN\u300d<\/strong>\u53e5<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-distinct\/\" target=\"_blank\" rel=\"noopener\">\u91cd\u8907\u30ec\u30b3\u30fc\u30c9\u3092\u9664\u5916\u3059\u308b<strong>\u300cDISTINCT\u300d<\/strong><\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql0005\/\" target=\"_blank\" rel=\"noopener\">\u62bd\u51fa\u7bc4\u56f2\u3092\u6307\u5b9a\u3059\u308b<strong>\u300cBETWEEN\u300d<\/strong>\u6f14\u7b97\u5b50<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-exists\/\" target=\"_blank\" rel=\"noopener\">\u62bd\u51fa\u6761\u4ef6\u3092\u6e80\u305f\u3059\u30ec\u30b3\u30fc\u30c9\u306e\u5b58\u5728\u306e\u6709\u7121\u3092\u8abf\u3079\u308b<strong>\u300cEXISTS\u300d<\/strong>\u53e5<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-count\/\" target=\"_blank\" rel=\"noopener\">\u30ec\u30b3\u30fc\u30c9\u4ef6\u6570\u3092\u53d6\u5f97\u3059\u308b\u96c6\u8a08\u95a2\u6570<strong>\u300cCOUNT\u300d<\/strong>\u95a2\u6570<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-substring\/\" target=\"_blank\" rel=\"noopener\">\u6587\u5b57\u5217\u3092\u5207\u308a\u51fa\u3059<strong>\u300cSUBSTRING\u300d<\/strong>\u95a2\u6570<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-group-by\/\" target=\"_blank\" rel=\"noopener\">\u30ec\u30b3\u30fc\u30c9\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b<strong>\u300cGROUP BY\u300d<\/strong>\u53e5<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-order-by\/\" target=\"_blank\" rel=\"noopener\">\u62bd\u51fa\u7d50\u679c\u3092\u4e26\u3073\u66ff\u3048\u308b<\/a><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-order-by\/\" target=\"_blank\" rel=\"noopener\"><strong>\u300cORDE<\/strong><\/a><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-order-by\/\" target=\"_blank\" rel=\"noopener\"><strong>R BY\u300d<\/strong>\u53e5<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-join\/\" target=\"_blank\" rel=\"noopener\">\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u30c7\u30fc\u30bf\u3092\u7d50\u5408\u3059\u308b<strong>\u300cJOIN\u300d<\/strong>\u53e5<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-inner-join\/\" target=\"_blank\" rel=\"noopener\">\u5185\u90e8\u7d50\u5408<strong>\u300cINNER JOIN\u300d<\/strong>\u53e5<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-union\/\" target=\"_blank\" rel=\"noopener\">\u62bd\u51fa\u7d50\u679c\u3092\u7d71\u5408\u3057\u3066\u8868\u793a\u3059\u308b<strong>\u300cUNION\u300d<\/strong>\u53e5<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-like\/\" target=\"_blank\" rel=\"noopener\">\u30c7\u30fc\u30bf\u306e\u66d6\u6627\u691c\u7d22<strong>\u300cLIKE\u300d<\/strong>\u53e5<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-limit\/\" target=\"_blank\" rel=\"noopener\">\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u4ef6\u6570\u3092\u5236\u9650\u3059\u308b<strong>\u300cLIMIT\u300d<\/strong>\u53e5<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-case\/\" target=\"_blank\" rel=\"noopener\">\u6761\u4ef6\u5206\u5c90\u51e6\u7406<strong>\u300cCASE\u300d<\/strong>\u5f0f<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-null\/\" target=\"_blank\" rel=\"noopener\"><strong>\u300cNULL\u300d<\/strong>\u306e\u6271\u3044\u65b9<\/a><\/span><\/li>\n<li><a href=\"https:\/\/techmania.jp\/blog\/sql-primary-key\/\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"color: #000000;\">\u300c\u4e3b\u30ad\u30fc\u300d<\/span><\/strong><span style=\"color: #000000;\">\u3068\u306f\uff1f<\/span><\/a><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/techmania.jp\/blog\/sql-foreign-key\/\" target=\"_blank\" rel=\"noopener\"><strong>\u300c\u5916\u90e8\u30ad\u30fc\u300d<\/strong>\u3068\u306f\uff1f<\/a><\/span><\/li>\n<\/ul>\n<\/div>\n\n\n<h2 id=\"outline__6\" class=\"wp-block-heading\">SQL\u306e\u52c9\u5f37\u65b9\u6cd5\u306f\uff1f<\/h2>\n\n\n<p>\u66f8\u7c4d\u3084\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3067\u5b66\u7fd2\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u6628\u4eca\u3067\u306f\u3001YouTube\u306a\u3069\u306e\u52d5\u753b\u30b5\u30a4\u30c8\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30b5\u30a4\u30c8\u306a\u3069\u3082\u5145\u5b9f\u3057\u3066\u3044\u3066\u591a\u304f\u306e\u60c5\u5831\u304c\u624b\u306b\u5165\u308a\u307e\u3059\u3002<br \/>\u305d\u3057\u3066\u3001\u3088\u308a\u52b9\u7387\u7684\u306b\u77e5\u8b58\u30fb\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3059\u308b\u306b\u306f\u3001\u77e5\u8b58\u3092\u3064\u3051\u306a\u304c\u3089\u5b9f\u969b\u306b\u624b\u3092\u52d5\u304b\u3057\u3066\u307f\u308b\u306a\u3069\u3001\u30a4\u30f3\u30d7\u30c3\u30c8\u3068\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7279\u306b\u72ec\u5b66\u306e\u5834\u5408\u306f\u3001\u6709\u8b58\u8005\u306b\u8cea\u554f\u304c\u3067\u304d\u305f\u308a\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u3082\u3089\u3048\u308b\u3088\u3046\u306a\u74b0\u5883\u304c\u3042\u308b\u3068\u3001\u7406\u89e3\u5ea6\u304c\u6df1\u307e\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u305f\u3060\u3001SQL\u306b\u9650\u3089\u305a\u3001IT\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u308b\u969b\u3001\u3069\u3046\u3057\u3066\u3082\u8ab2\u984c\u306b\u3076\u3064\u304b\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u3059\u3088\u306d\u3002\u7279\u306b\u72ec\u5b66\u3060\u3068\u3001\u308f\u304b\u3089\u306a\u3044\u90e8\u5206\u3092\u30d7\u30ed\u306b\u8cea\u554f\u3067\u304d\u308b\u6a5f\u4f1a\u3092\u78ba\u4fdd\u3057\u306b\u304f\u304f\u3001\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u304c\u7d9a\u304d\u306b\u304f\u3044\u3068\u3044\u3046\u5074\u9762\u304c\u3042\u308a\u307e\u3059\u3002\u72ec\u5b66\u3067\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3059\u308b\u81ea\u4fe1\u304c\u306a\u3044\u4eba\u306b\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u3068\u3044\u3046\u624b\u3082\u3042\u308a\u307e\u3059\u3002\u8cbb\u7528\u306f\u639b\u304b\u308a\u307e\u3059\u304c\u3001\u305d\u306e\u5206\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u3084\u3059\u3044\u3067\u3059\u3002\u3057\u3063\u304b\u308a\u3068\u77e5\u8b58\u30fb\u30b9\u30ad\u30eb\u3092\u7fd2\u5f97\u3057\u3066\u5b9f\u8df5\u306b\u6d3b\u304b\u3057\u305f\u3044\u3068\u3044\u3046\u4eba\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b9\u30af\u30fc\u30eb\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n<p><span 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href=\"https:\/\/techmania.jp\/lp\/2\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u304b\u3089\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"SQL\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u64cd\u4f5c\u3057\u3066\u3044\u308b\u3068\u304d\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u51fa\u3066\u304f\u308b\u3053\u3068\u304c\u3057\u3070\u3057\u3070\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u3093\u306a\u3068\u304d\u306b\u5f79\u7acb\u3064\u306e\u304c\u3001\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3059\u308b\u30af\u30a8\u30ea\u306eUPDATE\u6587\u3067\u3059\u3002 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