{"id":6195,"date":"2025-10-12T23:05:23","date_gmt":"2025-10-12T14:05:23","guid":{"rendered":"https:\/\/sky-peace.net\/?p=6195"},"modified":"2025-10-12T23:05:23","modified_gmt":"2025-10-12T14:05:23","slug":"sql-supertype-subtype","status":"publish","type":"post","link":"https:\/\/sky-peace.net\/certified\/sql-supertype-subtype\/","title":{"rendered":"\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3068\u306f\uff1f\u3010\u56f3\u89e3\u30fbSQL\u4f8b\u3067\u89e3\u8aac\u3011ER\u56f3\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u57fa\u672c\u3092\u5fb9\u5e95\u653b\u7565"},"content":{"rendered":"<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u5b66\u7fd2\u3057\u3066\u3044\u308b\u3068\u3001\u300c\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff08Super Type\uff09\u300d\u3068\u300c\u30b5\u30d6\u30bf\u30a4\u30d7\uff08Sub Type\uff09\u300d\u3068\u3044\u3046\u5c02\u9580\u7528\u8a9e\u306b\u906d\u9047\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306f\u3001\u4f55\u3068\u306a\u304f\u300c\u89aa\u30c6\u30fc\u30d6\u30eb\u300d\u3068\u300c\u5b50\u30c6\u30fc\u30d6\u30eb\u300d\u306e\u95a2\u4fc2\u306b\u4f3c\u3066\u3044\u308b\u3088\u3046\u306b\u3082\u898b\u3048\u307e\u3059\u304c\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff08RDB\uff09\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u8a2d\u8a08\u3059\u308b\u4e0a\u3067\u3001\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u306a\u304f\u3057\u3001\u5c06\u6765\u306e\u62e1\u5f35\u306b\u5099\u3048\u308b\u305f\u3081\u306e\u975e\u5e38\u306b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002\u7279\u306b\u3001\u5fdc\u7528\u60c5\u5831\u6280\u8853\u8005\u8a66\u9a13\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u8a66\u9a13\u306e\u5348\u5f8c\u554f\u984c\u3067\u306f\u3001\u3053\u306e\u8a2d\u8a08\u601d\u60f3\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u304b\u304c\u554f\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u3053\u306e\u6982\u5ff5\u306f\u521d\u5b66\u8005\u306b\u3068\u3063\u3066\u300c\u306a\u305c\u308f\u3056\u308f\u3056\u5206\u3051\u308b\u306e\u304b\u300d\u300cER\u56f3\u3067\u306f\u3069\u3046\u66f8\u304f\u306e\u304b\u300d\u300cSQL\u3067\u5b9f\u88c5\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\u304b\u300d\u3068\u3001\u7591\u554f\u306e\u591a\u3044\u90e8\u5206\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u3042\u306a\u305f\u304c\u3053\u306e\u30c6\u30fc\u30de\u3067\u3064\u307e\u305a\u304f\u3053\u3068\u304c\u306a\u3044\u3088\u3046\u3001\u300c\u306a\u305c\u5206\u3051\u308b\u306e\u304b\u300d\u3068\u3044\u3046\u8a2d\u8a08\u601d\u60f3\u304b\u3089\u3001ER\u56f3\u3067\u306e\u5177\u4f53\u7684\u306a\u8868\u8a18\u65b9\u6cd5\u3001\u305d\u3057\u3066SQL\u3067\u306e\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u4f8b\u306b\u81f3\u308b\u307e\u3067\u3092\u3001\u8c4a\u5bcc\u306a\u56f3\u89e3\u3068\u8eab\u8fd1\u306a\u5177\u4f53\u4f8b\u3092\u7528\u3044\u3066\u3001\u4f53\u7cfb\u7684\u306b\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u307f\u7d42\u3048\u308b\u9803\u306b\u306f\u3001\u3042\u306a\u305f\u306f\u81ea\u4fe1\u3092\u6301\u3063\u3066\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u8a2d\u8a08\u306b\u6d3b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<hr \/>\n<h2>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3068\u306f\uff1fER\u56f3\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u57fa\u672c\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<h3>\u5171\u901a\u70b9\u3068\u9055\u3044\u3092\u6574\u7406\u3059\u308b\u4ed5\u7d44\u307f<\/h3>\n<p>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff08Super Type\uff09\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\uff08Sub Type\uff09\u3068\u306f\u3001\u300c\u5171\u901a\u3059\u308b\u5c5e\u6027\u300d\u3092\u6301\u3064\u8907\u6570\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u3001\u968e\u5c64\u7684\u306b\u6574\u7406\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<p>\u7c21\u5358\u306b\u8a00\u3048\u3070\u3001\u300c\u4f3c\u3066\u3044\u308b\u3051\u308c\u3069\u3001\u4e00\u90e8\u3060\u3051\u9055\u3046\u300d\u30c7\u30fc\u30bf\u3092\u6271\u3046\u3068\u304d\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff08\u89aa\uff09\uff1a \u8907\u6570\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u30c6\u30fc\u30d6\u30eb\uff09\u3067\u5171\u901a\u3059\u308b\u5c5e\u6027\uff08\u30ab\u30e9\u30e0\uff09\u3092\u307e\u3068\u3081\u305f\u4e0a\u4f4d\u306e\u6982\u5ff5\u3067\u3059\u3002<\/li>\n<li>\u30b5\u30d6\u30bf\u30a4\u30d7\uff08\u5b50\uff09\uff1a \u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u304b\u3089\u6d3e\u751f\u3057\u3001\u305d\u308c\u305e\u308c\u306b\u56fa\u6709\u306e\u5c5e\u6027\uff08\u30ab\u30e9\u30e0\uff09\u3092\u6301\u3064\u4e0b\u4f4d\u306e\u6982\u5ff5\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u95a2\u4fc2\u6027\u306f\u3001\u73fe\u5b9f\u4e16\u754c\u306b\u304a\u3051\u308b\u300c\u5206\u985e\uff08\u30ab\u30c6\u30b4\u30e9\u30a4\u30ba\uff09\u300d\u306e\u8003\u3048\u65b9\u3068\u975e\u5e38\u306b\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u8eab\u8fd1\u306a\u4f8b\u3048\uff1a\u306a\u305c\u300c\u53e3\u5ea7\u300d\u3092\u5206\u3051\u308b\u306e\u304b\uff1f<\/h3>\n<p>\u3053\u306e\u6982\u5ff5\u3092\u6700\u3082\u5206\u304b\u308a\u3084\u3059\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u9280\u884c\u306e\u300c\u53e3\u5ea7\u300d\u3092\u4f8b\u306b\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>\u666e\u901a\u9810\u91d1\u53e3\u5ea7 (SavingAccount)<\/th>\n<th>\u30ed\u30fc\u30f3\u53e3\u5ea7 (LoanAccount)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u53e3\u5ea7\u756a\u53f7<\/td>\n<td>\u5b58\u5728\u3059\u308b<\/td>\n<td>\u5b58\u5728\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u958b\u8a2d\u65e5<\/td>\n<td>\u5b58\u5728\u3059\u308b<\/td>\n<td>\u5b58\u5728\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u6b8b\u9ad8<\/td>\n<td>\u5b58\u5728\u3059\u308b<\/td>\n<td>\u5b58\u5728\u3057\u306a\u3044 (\u501f\u5165\u984d\u304c\u3042\u308b)<\/td>\n<\/tr>\n<tr>\n<td>\u5229\u7387<\/td>\n<td>\u5b58\u5728\u3059\u308b (\u9810\u91d1\u5229\u7387)<\/td>\n<td>\u5b58\u5728\u3059\u308b (\u501f\u5165\u5229\u7387)<\/td>\n<\/tr>\n<tr>\n<td>\u30ed\u30fc\u30f3\u6b8b\u9ad8<\/td>\n<td>\u5b58\u5728\u3057\u306a\u3044<\/td>\n<td>\u5b58\u5728\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u8fd4\u6e08\u671f\u65e5<\/td>\n<td>\u5b58\u5728\u3057\u306a\u3044<\/td>\n<td>\u5b58\u5728\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3054\u89a7\u306e\u901a\u308a\u3001\u300c\u666e\u901a\u9810\u91d1\u53e3\u5ea7\u300d\u3082\u300c\u30ed\u30fc\u30f3\u53e3\u5ea7\u300d\u3082\u300c\u53e3\u5ea7\u756a\u53f7\u300d\u3084\u300c\u958b\u8a2d\u65e5\u300d\u3068\u3044\u3063\u305f\u5171\u901a\u306e\u5c5e\u6027\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u300c\u30ed\u30fc\u30f3\u6b8b\u9ad8\u300d\u3084\u300c\u8fd4\u6e08\u671f\u65e5\u300d\u306e\u3088\u3046\u306b\u3001\u30ed\u30fc\u30f3\u53e3\u5ea7\u306b\u3057\u304b\u306a\u3044\u56fa\u6709\u306e\u5c5e\u6027\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4>\u8a2d\u8a08\u306e\u8003\u3048\u65b9\uff08CoT\uff1a\u8ad6\u7406\u5c55\u958b\uff09<\/h4>\n<ol>\n<li>\u5171\u901a\u306a\u90e8\u5206\uff08\u53e3\u5ea7\u756a\u53f7\u3001\u958b\u8a2d\u65e5\u306a\u3069\uff09\u3092\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u3057\u3066\u5207\u308a\u51fa\u3059 \u2192 <code>Account<\/code> \u30c6\u30fc\u30d6\u30eb<\/li>\n<li>\u56fa\u6709\u306a\u90e8\u5206\uff08\u6b8b\u9ad8\u3001\u30ed\u30fc\u30f3\u6b8b\u9ad8\u306a\u3069\uff09\u3092\u30b5\u30d6\u30bf\u30a4\u30d7\u3068\u3057\u3066\u5206\u3051\u308b \u2192 <code>SavingAccount<\/code> \u30c6\u30fc\u30d6\u30eb\u3001<code>LoanAccount<\/code> \u30c6\u30fc\u30d6\u30eb<\/li>\n<\/ol>\n<p>\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30c6\u30fc\u30d6\u30eb\u3092\u5206\u3051\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u305d\u308c\u305e\u308c\u306e\u53e3\u5ea7\u304c\u300cAccount\u300d\u3068\u3057\u3066\u4e00\u8cab\u3057\u305f\u5171\u901a\u60c5\u5831\u3092\u6301\u3064\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>\u306a\u305c\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff0f\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u4f7f\u3046\u306e\uff1f\u30c7\u30fc\u30bf\u8a2d\u8a08\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u5fdc\u7528\u60c5\u5831\u5bfe\u7b56<\/h2>\n<p>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3068\u3044\u3046\u8907\u96d1\u306a\u69cb\u9020\u3092\u3042\u3048\u3066\u63a1\u7528\u3059\u308b\u306e\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306b\u304a\u3044\u3066\u6975\u3081\u3066\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002\u7279\u306b\u3001\u8a66\u9a13\u3067\u554f\u308f\u308c\u308b\u306e\u306f\u300c\u306a\u305c\u305d\u306e\u8a2d\u8a08\u3092\u9078\u3076\u306e\u304b\u300d\u3068\u3044\u3046\u8a2d\u8a08\u601d\u60f3\u3067\u3059\u3002<\/p>\n<h3>\u30e1\u30ea\u30c3\u30c81\uff1a\u30c7\u30fc\u30bf\u306e\u91cd\u8907\uff08\u5197\u9577\u6027\uff09\u3092\u6e1b\u3089\u305b\u308b<\/h3>\n<p>\u6700\u3082\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u30c7\u30fc\u30bf\u306e\u5197\u9577\u6027\uff08\u91cd\u8907\uff09\u3092\u6392\u9664\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3082\u3057\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3092\u4f7f\u308f\u305a\u306b\u300c\u666e\u901a\u9810\u91d1\u30c6\u30fc\u30d6\u30eb\u300d\u3068\u300c\u30ed\u30fc\u30f3\u30c6\u30fc\u30d6\u30eb\u300d\u3092\u500b\u5225\u306b\u4f5c\u3063\u305f\u5834\u5408\u3001\u5171\u901a\u60c5\u5831\u3067\u3042\u308b\u300c\u53e3\u5ea7\u756a\u53f7\u300d\u300c\u958b\u8a2d\u65e5\u300d\u300c\u9867\u5ba2ID\u300d\u306a\u3069\u3092\u4e21\u65b9\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u6301\u305f\u305b\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u554f\u984c\u70b9\uff1a \u9867\u5ba2\u304c\u53e3\u5ea7\u756a\u53f7\u3092\u5909\u66f4\u3057\u305f\u5834\u5408\u30012\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u4e21\u65b9\u3092\u4fee\u6b63\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u624b\u9593\u304c\u304b\u304b\u308a\u3001\u4fee\u6b63\u6f0f\u308c\u306e\u30ea\u30b9\u30af\u304c\u751f\u3058\u307e\u3059\u3002<\/li>\n<li>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u5229\u7528\u6642\uff1a \u5171\u901a\u3059\u308b\u5c5e\u6027\u306f\u3059\u3079\u3066\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff08<code>Account<\/code>\u30c6\u30fc\u30d6\u30eb\uff09\u306b\u96c6\u7d04\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u4fee\u6b63\u306f1\u304b\u6240\u3060\u3051\u3067\u6e08\u307f\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6b63\u898f\u5316\u306b\u304a\u3051\u308b\u300c\u7b2c\u4e09\u6b63\u898f\u5316\uff083NF\uff09\u300d\u306e\u8003\u3048\u65b9\u306b\u3082\u901a\u3058\u308b\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306e\u57fa\u672c\u539f\u5247\u3067\u3059\u3002<\/p>\n<h3>\u30e1\u30ea\u30c3\u30c82\uff1a\u5c06\u6765\u306e\u62e1\u5f35\u304c\u3057\u3084\u3059\u3044<\/h3>\n<p>\u30b5\u30d6\u30bf\u30a4\u30d7\u65b9\u5f0f\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u8981\u4ef6\u306e\u5909\u66f4\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u62e1\u5f35\u306b\u67d4\u8edf\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u9280\u884c\u304c\u65b0\u305f\u306b\u300c\u5916\u8ca8\u9810\u91d1\u53e3\u5ea7\uff08<code>ForeignAccount<\/code>\uff09\u300d\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u958b\u59cb\u3059\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u65b0\u898f\u30c6\u30fc\u30d6\u30eb\u4f5c\u6210\uff1a \u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7<code>Account<\/code>\u3092\u89aa\u3068\u3057\u3001\u65b0\u898f\u306b<code>ForeignAccount<\/code>\u3068\u3044\u3046\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u6e08\u307f\u307e\u3059\u3002<\/li>\n<li>\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u5f71\u97ff\uff1a \u65e2\u5b58\u306e<code>SavingAccount<\/code>\u3084<code>LoanAccount<\/code>\u306e\u69cb\u9020\u306b\u624b\u3092\u52a0\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<p>\u5171\u901a\u90e8\u5206\uff08<code>Account<\/code>\uff09\u306b\u5909\u66f4\u304c\u306a\u3051\u308c\u3070\u3001\u5f71\u97ff\u7bc4\u56f2\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3066\u7d20\u65e9\u304f\u65b0\u3057\u3044\u6a5f\u80fd\uff08\u65b0\u3057\u3044\u30b5\u30d6\u30bf\u30a4\u30d7\uff09\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u30e1\u30ea\u30c3\u30c83\uff1a\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u304c\u4fdd\u3061\u3084\u3059\u3044<\/h3>\n<p>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306b\u300c\u53e3\u5ea7\u304c\u6709\u52b9\u304b\u7121\u52b9\u304b\u300d\u3068\u3044\u3063\u305f\u5168\u3066\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u5171\u901a\u3059\u308b\u30eb\u30fc\u30eb\uff08\u5236\u7d04\uff09\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u4e00\u8cab\u3057\u305f\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u4fdd\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3092\u4e3b\u30ad\u30fc\uff08Primary Key\uff09\u306e\u53c2\u7167\u5143\u3068\u3057\u3066\u4f7f\u3046\u3053\u3068\u3067\u3001\u3069\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u3082\u5fc5\u305a\u6709\u52b9\u306a\u53e3\u5ea7\u60c5\u5831\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>\u3088\u304f\u3042\u308b\u4f7f\u3044\u3069\u3053\u308d\uff08\u5b9f\u751f\u6d3b\u30fb\u4ed5\u4e8b\u4f8b\uff09<\/h3>\n<p>\u5b9f\u52d9\u306b\u304a\u3044\u3066\u3001\u3053\u306e\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff0f\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u8a2d\u8a08\u304c\u7279\u306b\u6709\u52b9\u306a\u696d\u52d9\u4f8b\u3092\u8868\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u696d\u52d9\u4f8b<\/th>\n<th>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7 (\u5171\u901a)<\/th>\n<th>\u30b5\u30d6\u30bf\u30a4\u30d7 (\u56fa\u6709)<\/th>\n<th>\u56fa\u6709\u5c5e\u6027\u306e\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u9867\u5ba2\u7ba1\u7406<\/td>\n<td>\u9867\u5ba2<\/td>\n<td>\u500b\u4eba\u9867\u5ba2\u30fb\u6cd5\u4eba\u9867\u5ba2<\/td>\n<td>\u904b\u8ee2\u514d\u8a31\u8a3c\u756a\u53f7\u3001\u6cd5\u4eba\u756a\u53f7<\/td>\n<\/tr>\n<tr>\n<td>\u5546\u54c1\u7ba1\u7406<\/td>\n<td>\u5546\u54c1<\/td>\n<td>\u672c\u30fb\u5bb6\u96fb\u30fb\u98df\u54c1<\/td>\n<td>ISBN\u30b3\u30fc\u30c9\u3001\u30e1\u30fc\u30ab\u30fc\u4fdd\u8a3c\u671f\u9593\u3001\u6d88\u8cbb\u671f\u9650<\/td>\n<\/tr>\n<tr>\n<td>\u652f\u6255\u3044\u7ba1\u7406<\/td>\n<td>\u652f\u6255\u3044<\/td>\n<td>\u73fe\u91d1\u30fb\u30af\u30ec\u30b8\u30c3\u30c8\u30fb\u632f\u8fbc<\/td>\n<td>\u30ab\u30fc\u30c9\u4f1a\u793e\u540d\u3001\u632f\u8fbc\u624b\u6570\u6599\u3001\u9818\u53ce\u66f8\u756a\u53f7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>ER\u56f3\u3067\u7406\u89e3\u3059\u308b\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff0f\u30b5\u30d6\u30bf\u30a4\u30d7\uff5c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u5348\u5f8c\u8a66\u9a13\u5bfe\u7b56<\/h2>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306b\u304a\u3044\u3066\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u95a2\u4fc2\u6027\u3092\u8996\u899a\u7684\u306b\u8868\u73fe\u3059\u308b\u306e\u304cER\u56f3\uff08Entity-Relationship Diagram\uff09\u3067\u3059\u3002ER\u56f3\u306e\u8868\u8a18\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u304c\u3001\u8a66\u9a13\u3067\u3082\u5b9f\u52d9\u3067\u3082\u983b\u51fa\u3059\u308b\u8868\u8a18\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>ER\u56f3\u306b\u304a\u3051\u308b\u8868\u8a18\u65b9\u6cd5<\/h3>\n<p>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u306f\u3001\u5171\u901a\u306e\u7279\u5fb4\u3092\u6301\u3064\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u30c6\u30fc\u30d6\u30eb\uff09\u3092\u968e\u5c64\u7684\u306b\u8868\u73fe\u3059\u308b\u305f\u3081\u3001\u7279\u6b8a\u306a\u8a18\u53f7\u3092\u7528\u3044\u3066\u63cf\u304b\u308c\u307e\u3059\u3002<\/p>\n<p>\u4e00\u822c\u7684\u306b\u3001\u4ee5\u4e0b\u306e\u8981\u7d20\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u30fb\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u4e0a\uff09\uff1a \u5171\u901a\u5c5e\u6027\u3092\u6301\u3064\u89aa\u30c6\u30fc\u30d6\u30eb\u3002<\/li>\n<li>\u30b5\u30d6\u30bf\u30a4\u30d7\u30fb\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u4e0b\uff09\uff1a \u56fa\u6709\u5c5e\u6027\u3092\u6301\u3064\u5b50\u30c6\u30fc\u30d6\u30eb\u3002<\/li>\n<li>\u6c4e\u5316\uff0f\u7279\u5316\u306e\u63a5\u7d9a\u7dda\uff1a \u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u7d50\u3076\u7dda\u3002<\/li>\n<li>\u8b58\u5225\u5b50\uff08D\uff09\u307e\u305f\u306f\u975e\u8b58\u5225\u5b50\uff08O\uff09\uff1a \u30b5\u30d6\u30bf\u30a4\u30d7\u304c\u6392\u4ed6\u7684\uff08D\uff09\u304b\u975e\u6392\u4ed6\u7684\uff08O\uff09\u304b\u3092\u793a\u3059\u8a18\u53f7\u3002<\/li>\n<\/ol>\n<h3>\u30b7\u30f3\u30d7\u30eb\u306a\u53e3\u5ea7\u30e2\u30c7\u30eb\u306eER\u56f3\uff08\u56f3\u89e3\uff09<\/h3>\n<p>\u5148\u307b\u3069\u306e\u53e3\u5ea7\u306e\u4f8b\u3092ER\u56f3\u3067\u8868\u73fe\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u304c\u6392\u4ed6\u7684\uff08D\uff1aDisjoint\uff09\u3067\u3042\u308b\u5834\u5408\u3092\u56f3\u793a\u3057\u307e\u3059\u3002\u6392\u4ed6\u7684\u3068\u306f\u3001\u300c\u3042\u308b\u53e3\u5ea7\u306f\u3001\u666e\u901a\u9810\u91d1\u53e3\u5ea7\u3067\u3042\u308b\u304b\u3001\u30ed\u30fc\u30f3\u53e3\u5ea7\u3067\u3042\u308b\u304b\u306e\u3069\u3061\u3089\u304b\u4e00\u65b9\u306b\u3057\u304b\u306a\u308c\u306a\u3044\u300d\u3068\u3044\u3046\u72b6\u614b\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<pre><code>       +-----------------------+\n       | ACCOUNT (\u53e3\u5ea7)        |  &lt;-- \u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\n       |-----------------------|\n       | PK: \u53e3\u5ea7ID            |\n       |    \u958b\u8a2d\u65e5             |\n       |    ...                |\n       +-----------+-----------+\n                   |\n                \uff0f\\  \n               ( D )  &lt;-- D:\u6392\u4ed6\u7684 (Disjoint)\n                \\\uff0f\n                 |\n    +------------+-------------+\n    |            |             |\n+---+----------+ +-------------+-------------+\n| SAVING_ACCOUNT | | LOAN_ACCOUNT | &lt;-- \u30b5\u30d6\u30bf\u30a4\u30d7\n|----------------| |---------------------------|\n| PK: \u53e3\u5ea7ID     | | PK: \u53e3\u5ea7ID                  |\n|    \u6b8b\u9ad8        | |    \u30ed\u30fc\u30f3\u6b8b\u9ad8             |\n|    \u9810\u91d1\u5229\u7387    | |    \u8fd4\u6e08\u671f\u65e5                 |\n+----------------+ +---------------------------+\n<\/code><\/pre>\n<p>\u56f3\u306e\u898b\u65b9\uff1a<\/p>\n<ol>\n<li>ACCOUNT \u30c6\u30fc\u30d6\u30eb\u304b\u3089\u5206\u5c90\u3057\u3066\u3044\u308b\u7dda\u4e0a\u306b\u3001\u4e8c\u91cd\u7dda\u3067\u56f2\u307e\u308c\u305f\u5186\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u5186\u306e\u4e2d\u306e\u300cD\u300d\u306f &#8220;Disjoint&#8221;\uff08\u6392\u4ed6\u7684\uff09\u3092\u610f\u5473\u3057\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306e\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u3046\u3061\u5fc5\u305a1\u3064\u3060\u3051\u306b\u5c5e\u3059\u308b\u3053\u3068\u3092\u8868\u3057\u307e\u3059\u3002\uff08\u4f8b\uff1a\u666e\u901a\u9810\u91d1\u53e3\u5ea7\u3067\u3042\u308a\u3001\u304b\u3064\u30ed\u30fc\u30f3\u53e3\u5ea7\u3067\u3042\u308b\u3053\u3068\u306f\u306a\u3044\uff09<\/li>\n<li>\u3082\u3057\u5186\u306e\u4e2d\u304c\u300cO\u300d\uff08Overlap\uff1a\u975e\u6392\u4ed6\u7684\uff09\u3067\u3042\u308c\u3070\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306e\u30ec\u30b3\u30fc\u30c9\u306f\u8907\u6570\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u5c5e\u3057\u3066\u3082\u826f\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\uff08\u4f8b\uff1a\u9867\u5ba2\u304c\u500b\u4eba\u9867\u5ba2\u3067\u3082\u3042\u308a\u3001\u540c\u6642\u306b\u6cd5\u4eba\u9867\u5ba2\u3067\u3082\u3042\u308b\u3068\u3044\u3046\u30b1\u30fc\u30b9\uff09<\/li>\n<\/ol>\n<h3>\u8a2d\u8a08\u306e\u8003\u3048\u65b9\uff1a\u5171\u901a\u306f\u4e0a\u3001\u9055\u3044\u306f\u4e0b\u306b<\/h3>\n<p>\u3053\u306eER\u56f3\u304c\u793a\u3059\u8a2d\u8a08\u306e\u57fa\u672c\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u5171\u901a\u306e\u8981\u7d20\uff08\u53e3\u5ea7ID\u3001\u958b\u8a2d\u65e5\u306a\u3069\uff09 \u306f\u3001\u6700\u4e0a\u4f4d\u306e ACCOUNT\uff08\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff09\u306b\u96c6\u3081\u307e\u3059\u3002<\/li>\n<li>\u56fa\u6709\u306e\u8981\u7d20\uff08\u6b8b\u9ad8\u3001\u8fd4\u6e08\u671f\u65e5\u306a\u3069\uff09 \u306f\u3001\u305d\u308c\u305e\u308c\u306e \u30b5\u30d6\u30bf\u30a4\u30d7 \u306b\u5207\u308a\u51fa\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001ER\u56f3\u3092\u898b\u305f\u3068\u304d\u306b\u3001\u3069\u306e\u30c7\u30fc\u30bf\u304c\u5171\u901a\u3067\u3001\u3069\u306e\u30c7\u30fc\u30bf\u304c\u56fa\u6709\u306a\u306e\u304b\u304c\u4e00\u76ee\u3067\u5206\u304b\u308a\u3001\u8a2d\u8a08\u306e\u610f\u56f3\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>SQL\u3067\u306e\u5177\u4f53\u7684\u306a\u66f8\u304d\u65b9\uff5cCREATE TABLE\u304b\u3089\u30c7\u30fc\u30bf\u53d6\u5f97\u307e\u3067\u5b9f\u8df5\u5b9f\u88c5\u4f8b<\/h2>\n<p>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff08RDB\uff09\u306b\u5b9f\u88c5\u3059\u308b\u969b\u3001\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\uff08\u30b9\u30ad\u30fc\u30de\uff09\u306f\u3069\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3057\u3001\u30c7\u30fc\u30bf\u3092\u3069\u306e\u3088\u3046\u306b\u6271\u3046\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u3053\u3053\u3067\u306f\u3001\u5148\u307b\u3069\u306e\u53e3\u5ea7\u30e2\u30c7\u30eb\u3092\u4f8b\u306b\u3001SQL\uff08DDL\u304a\u3088\u3073DML\uff09\u3067\u306e\u5177\u4f53\u7684\u306a\u66f8\u304d\u65b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>H3-1. \u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff08\u5171\u901a\u60c5\u5831\uff09\u306e\u5b9a\u7fa9<\/h3>\n<p>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306f\u3001\u5171\u901a\u60c5\u5831\u3092\u4fdd\u6301\u3059\u308b\u89aa\u30c6\u30fc\u30d6\u30eb\u3067\u3059\u3002\u30b5\u30d6\u30bf\u30a4\u30d7\u304b\u3089\u53c2\u7167\u3055\u308c\u308b\u305f\u3081\u3001\u4e3b\u30ad\u30fc\uff08<code>PRIMARY KEY<\/code>\uff09\u3092\u5b9a\u7fa9\u3057\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u5074\u306e\u5916\u90e8\u30ad\u30fc\uff08<code>FOREIGN KEY<\/code>\uff09\u3068\u5bfe\u5fdc\u4ed8\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<pre><code>-- \u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7: ACCOUNT (\u53e3\u5ea7)\nCREATE TABLE account (\n    account_id  CHAR(10) PRIMARY KEY, -- \u53e3\u5ea7ID (\u4e3b\u30ad\u30fc)\n    customer_id CHAR(10) NOT NULL,    -- \u9867\u5ba2ID (\u5916\u90e8\u30ad\u30fc\u3067CUSTOMER\u30c6\u30fc\u30d6\u30eb\u53c2\u7167)\n    open_date   DATE NOT NULL,        -- \u958b\u8a2d\u65e5\n    account_type CHAR(1) NOT NULL,    -- \u53e3\u5ea7\u7a2e\u5225 (S:\u666e\u901a\u9810\u91d1, L:\u30ed\u30fc\u30f3, ...\u30b5\u30d6\u30bf\u30a4\u30d7\u8b58\u5225\u5b50)\n    -- \u305d\u306e\u4ed6\u3001\u3059\u3079\u3066\u306e\u53e3\u5ea7\u306b\u5171\u901a\u3059\u308b\u5c5e\u6027\n);\n<\/code><\/pre>\n<p>\u30dd\u30a4\u30f3\u30c8\uff1a \u3053\u3053\u3067\u306f\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306b<code>account_type<\/code>\u3068\u3044\u3046\u30ab\u30e9\u30e0\u3092\u8a2d\u3051\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u305d\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u3069\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\uff08<code>SAVING_ACCOUNT<\/code>\u304b<code>LOAN_ACCOUNT<\/code>\u304b\uff09\u306b\u5c5e\u3059\u308b\u304b\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u30d5\u30e9\u30b0\u3067\u3001\u5b9f\u88c5\u4e0a\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h3>H3-2. \u30b5\u30d6\u30bf\u30a4\u30d7\uff08\u56fa\u6709\u60c5\u5831\uff09\u306e\u5b9a\u7fa9<\/h3>\n<p>\u30b5\u30d6\u30bf\u30a4\u30d7\u306f\u3001\u56fa\u6709\u60c5\u5831\u3092\u4fdd\u6301\u3059\u308b\u5b50\u30c6\u30fc\u30d6\u30eb\u3067\u3059\u3002\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306f\u3001\u4ee5\u4e0b\u306e2\u3064\u306e\u91cd\u8981\u306a\u5236\u7d04\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u4e3b\u30ad\u30fc \uff1d \u5916\u90e8\u30ad\u30fc\uff1a <code>account_id<\/code>\u3092\u4e3b\u30ad\u30fc\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u3064\u3064\u3001\u540c\u6642\u306b\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3067\u3042\u308b<code>account<\/code>\u30c6\u30fc\u30d6\u30eb\u306e<code>account_id<\/code>\u3092\u53c2\u7167\u3059\u308b\u5916\u90e8\u30ad\u30fc\u306b\u3082\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5168\u3066\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u30ec\u30b3\u30fc\u30c9\u306f\u3001\u5fc5\u305a\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306b\u5bfe\u5fdc\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u3092\u6301\u3064\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u30c1\u30a7\u30c3\u30af\u5236\u7d04\uff1a \u8b58\u5225\u5b50\uff08<code>account_type<\/code>\uff09\u3092\u5229\u7528\u3057\u3066\u3001\u3053\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u3001\u5bfe\u5fdc\u3059\u308b\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306e\u30ec\u30b3\u30fc\u30c9\u3068\u8ad6\u7406\u7684\u306b\u77db\u76fe\u3057\u306a\u3044\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre><code>-- \u30b5\u30d6\u30bf\u30a4\u30d7: SAVING_ACCOUNT (\u666e\u901a\u9810\u91d1\u53e3\u5ea7)\nCREATE TABLE saving_account (\n    account_id  CHAR(10) PRIMARY KEY, -- \u53e3\u5ea7ID (\u4e3b\u30ad\u30fc \u517c \u5916\u90e8\u30ad\u30fc)\n    balance     DECIMAL(15, 2) NOT NULL, -- \u6b8b\u9ad8\n    deposit_rate DECIMAL(5, 4),        -- \u9810\u91d1\u5229\u7387\n    \n    FOREIGN KEY (account_id) REFERENCES account(account_id), -- ACCOUNT\u30c6\u30fc\u30d6\u30eb\u3092\u53c2\u7167\n    -- \u30c1\u30a7\u30c3\u30af\u5236\u7d04\u306e\u4f8b\uff08\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u5074\u306eaccount_type\u304c'S'\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\uff09\n    CHECK (account_id IN (SELECT account_id FROM account WHERE account_type = 'S')) \n);\n\n-- \u30b5\u30d6\u30bf\u30a4\u30d7: LOAN_ACCOUNT (\u30ed\u30fc\u30f3\u53e3\u5ea7)\nCREATE TABLE loan_account (\n    account_id  CHAR(10) PRIMARY KEY, -- \u53e3\u5ea7ID (\u4e3b\u30ad\u30fc \u517c \u5916\u90e8\u30ad\u30fc)\n    loan_amount DECIMAL(15, 2) NOT NULL, -- \u30ed\u30fc\u30f3\u6b8b\u9ad8\n    repayment_due DATE NOT NULL,        -- \u8fd4\u6e08\u671f\u65e5\n    \n    FOREIGN KEY (account_id) REFERENCES account(account_id), -- ACCOUNT\u30c6\u30fc\u30d6\u30eb\u3092\u53c2\u7167\n    -- \u30c1\u30a7\u30c3\u30af\u5236\u7d04\u306e\u4f8b\uff08\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u5074\u306eaccount_type\u304c'L'\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\uff09\n    CHECK (account_id IN (SELECT account_id FROM account WHERE account_type = 'L'))\n);\n<\/code><\/pre>\n<h3>H3-3. \u30c7\u30fc\u30bf\u767b\u9332\u3068\u53d6\u5f97\u4f8b<\/h3>\n<h4>\u30c7\u30fc\u30bf\u306e\u767b\u9332\uff08INSERT\uff09<\/h4>\n<p>\u30c7\u30fc\u30bf\u767b\u9332\u306f\u3001\u5fc5\u305a\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u2192\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u9806\u756a\u3067\u884c\u3044\u307e\u3059\u3002<\/p>\n<pre><code>-- 1. \u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u306b\u5171\u901a\u60c5\u5831\u3092\u767b\u9332\nINSERT INTO account (account_id, customer_id, open_date, account_type) \nVALUES ('A001', 'C101', '2023-01-15', 'S'); -- \u666e\u901a\u9810\u91d1\u3068\u3057\u3066\u767b\u9332\n\n-- 2. \u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u56fa\u6709\u60c5\u5831\u3092\u767b\u9332\nINSERT INTO saving_account (account_id, balance, deposit_rate) \nVALUES ('A001', 500000.00, 0.001);\n<\/code><\/pre>\n<h4>\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\uff08JOIN\uff09<\/h4>\n<p>\u7279\u5b9a\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\uff08\u4f8b\uff1a\u666e\u901a\u9810\u91d1\u53e3\u5ea7\uff09\u306e\u8a73\u7d30\u60c5\u5831\u3092\u898b\u305f\u3044\u5834\u5408\u306f\u3001<code>JOIN<\/code>\u53e5\u3092\u4f7f\u3063\u3066\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u7d50\u5408\u3057\u307e\u3059\u3002<\/p>\n<pre><code>-- \u666e\u901a\u9810\u91d1\u53e3\u5ea7\u306e\u60c5\u5831\u3068\u5171\u901a\u60c5\u5831\u3092\u7d50\u5408\u3057\u3066\u53d6\u5f97\nSELECT \n    A.account_id,\n    A.customer_id,\n    S.balance,\n    S.deposit_rate\nFROM \n    account A\nJOIN \n    saving_account S ON A.account_id = S.account_id\nWHERE\n    A.customer_id = 'C101';\n<\/code><\/pre>\n<table>\n<thead>\n<tr>\n<th>account\\_id<\/th>\n<th>customer\\_id<\/th>\n<th>balance<\/th>\n<th>deposit\\_rate<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>A001<\/td>\n<td>C101<\/td>\n<td>500000.00<\/td>\n<td>0.0010<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p>\u3010\u30e6\u30fc\u30b6\u30fc\u78ba\u8a8d\u3011<br \/>\n\u4e0a\u8a18\u3067 H2 \u30bb\u30af\u30b7\u30e7\u30f3 4 \u672c\u307e\u3067\u306e HTML \u51fa\u529b\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u7d9a\u3044\u3066\u3001\u30b9\u30c6\u30c3\u30d74-2 \u306b\u623b\u308a\u3001\u6b21\u306e H2 \u30bb\u30af\u30b7\u30e7\u30f3\u306e\u4f5c\u6210\u306b\u9032\u307f\u307e\u3059\u3002<\/p>\n<p>### \u30b9\u30c6\u30c3\u30d74-2 H2 \u30bb\u30af\u30b7\u30e7\u30f3 \u30c9\u30e9\u30d5\u30c8\u63d0\u51fa\uff085\u672c\u76ee\uff09<\/p>\n<p>#### \u69cb\u6210\u6848 H2 (5\/6)<br \/>\n`h2. \u4ed6\u306e\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u3082\u3042\u308b`<\/p>\n<p>#### \u2605 SEO \u30ad\u30fc\u30ef\u30fc\u30c9\u898f\u5b9a\u306e\u9069\u7528<br \/>\n* \u30e1\u30a4\u30f3\u30ad\u30fc\u30ef\u30fc\u30c9\uff1a `\u7d99\u627f\u30d1\u30bf\u30fc\u30f3`\u3001`\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3`<br \/>\n* \u95a2\u9023\u30ad\u30fc\u30ef\u30fc\u30c9\uff1a `\u5358\u4e00\u30c6\u30fc\u30d6\u30eb`\u3001`\u30af\u30e9\u30b9\u8868`\u3001`\u5177\u4f53\u8868`\u3001`\u4f7f\u3044\u5206\u3051`<\/p>\n<p>&#8212;<\/p>\n<p>## \u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u30fb\u30b5\u30d6\u30bf\u30a4\u30d7\u4ee5\u5916\u306e\u7d99\u627f\u30d1\u30bf\u30fc\u30f33\u7a2e\u3092\u6bd4\u8f03\uff5c\u4f7f\u3044\u5206\u3051\u3068\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8<\/p>\n<p>\u300c\u5171\u901a\u60c5\u5831\u3068\u56fa\u6709\u60c5\u5831\u3092\u5206\u3051\u308b\u300d\u3068\u3044\u3046\u8a2d\u8a08\u601d\u60f3\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u306f\u3001\u3053\u308c\u307e\u3067\u89e3\u8aac\u3057\u3066\u304d\u305f\u300c\u30af\u30e9\u30b9\u8868\u7d99\u627f\uff08\u4eca\u56de\u63a1\u7528\u3057\u305f\u65b9\u5f0f\uff09\u300d\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7279\u306bRDB\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u683c\u7d0d\u65b9\u6cd5\u306b\u5fdc\u3058\u3066\u4e3b\u306b\u4ee5\u4e0b\u306e3\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u305f\u3081\u3001\u8a66\u9a13\u3084\u5b9f\u52d9\u3067\u306f\u4f7f\u3044\u5206\u3051\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>| \u7d99\u627f\u30d1\u30bf\u30fc\u30f3 | \u7279\u5fb4 | \u30e1\u30ea\u30c3\u30c8 | \u30c7\u30e1\u30ea\u30c3\u30c8 |<br \/>\n| :&#8212; | :&#8212; | :&#8212; | :&#8212; |<br \/>\n| 1. \u30af\u30e9\u30b9\u8868\u7d99\u627f<br \/>\n\uff08Table Per Class\uff1aTPC\uff09 | \u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u5225\u3005\u306e\u30c6\u30fc\u30d6\u30eb\u3067\u5b9f\u88c5\u3059\u308b\u3002\uff08\u4eca\u56de\u306e\u8a18\u4e8b\u306e\u65b9\u5f0f\uff09 | \u30c7\u30fc\u30bf\u91cd\u8907\u304c\u306a\u304f\u3001\u6b63\u898f\u5316\u30ec\u30d9\u30eb\u304c\u9ad8\u3044\u3002\u62e1\u5f35\u304c\u5bb9\u6613\u3002 | \u30c7\u30fc\u30bf\u53d6\u5f97\u6642\u306b\u5fc5\u305aJOIN\u304c\u5fc5\u8981\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u843d\u3061\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002 |<br \/>\n| 2. \u5358\u4e00\u30c6\u30fc\u30d6\u30eb\u7d99\u627f<br \/>\n\uff08Single Table\uff1aST\uff09 | \u5168\u3066\u306e\u5c5e\u6027\uff08\u5171\u901a\u30fb\u56fa\u6709\uff09\u3092\u4e00\u3064\u306e\u5de8\u5927\u306a\u30c6\u30fc\u30d6\u30eb\u306b\u307e\u3068\u3081\u308b\u3002 | \u30c7\u30fc\u30bf\u53d6\u5f97\u304cJOIN\u4e0d\u8981\u3067\u9ad8\u901f\u3002\u30b7\u30f3\u30d7\u30eb\u3002 | \u56fa\u6709\u5c5e\u6027\u304cNULL\u5024\u3060\u3089\u3051\u306b\u306a\u308a\u3001\u5bb9\u91cf\u306e\u7121\u99c4\u3084\u6574\u5408\u6027\u30c1\u30a7\u30c3\u30af\u304c\u8907\u96d1\u306b\u306a\u308b\u3002 |<br \/>\n| 3. \u5177\u4f53\u8868\u7d99\u627f<br \/>\n\uff08Table Per Concrete Class\uff1aTBC\uff09 | \u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3092\u8a2d\u3051\u305a\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u3054\u3068\u306b\u5171\u901a\u5c5e\u6027\u3082\u542b\u3081\u3066\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3002 | \u5404\u30c6\u30fc\u30d6\u30eb\u304c\u72ec\u7acb\u3057\u3066\u304a\u308a\u3001JOIN\u304c\u4e0d\u8981\u3002\uff08\u30b7\u30f3\u30d7\u30eb\u306a\u30af\u30a8\u30ea\uff09 | \u5171\u901a\u5c5e\u6027\u304c\u5404\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u3067\u91cd\u8907\uff08\u5197\u9577\u5316\uff09\u3057\u3001\u6574\u5408\u6027\u306e\u7dad\u6301\u304c\u96e3\u3057\u3044\u3002 |<\/p>\n<p>### \u7d99\u627f\u30d1\u30bf\u30fc\u30f3\u306e\u4f7f\u3044\u5206\u3051\u306e\u30dd\u30a4\u30f3\u30c8\uff08CoT\uff1a\u8ad6\u7406\u5c55\u958b\uff09<\/p>\n<p>\u3053\u306e3\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u304b\u3089\u3001\u3069\u306e\u8a2d\u8a08\u3092\u9078\u3076\u3079\u304d\u304b\u8ff7\u3046\u3053\u3068\u3082\u3042\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u306f\u3001\u30d1\u30bf\u30fc\u30f3\u3054\u3068\u306e\u7279\u5fb4\u3092\u6d3b\u304b\u3057\u305f\u4f7f\u3044\u5206\u3051\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>1. \u300c\u30af\u30e9\u30b9\u8868\u7d99\u627f\uff08TPC\uff09\u300d \uff08\u4eca\u56de\u306e\u8a18\u4e8b\u306e\u65b9\u5f0f\uff09<br \/>\n* \u7528\u9014\uff1a \u5171\u901a\u5c5e\u6027\u304c\u591a\u304f\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u7a2e\u985e\u304c\u591a\u304f\u3001\u5c06\u6765\u7684\u306a\u62e1\u5f35\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u30b7\u30b9\u30c6\u30e0\u3002<br \/>\n* \u5224\u65ad\u7406\u7531\uff1a \u6b63\u898f\u5316\u3092\u91cd\u8996\u3057\u3001\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u5fb9\u5e95\u7684\u306b\u907f\u3051\u305f\u3044\u5834\u5408\u306b\u6700\u9069\u3067\u3059\u3002JOIN\u306e\u8ca0\u8377\u306f\u304b\u304b\u308a\u307e\u3059\u304c\u3001\u8a2d\u8a08\u306e\u67d4\u8edf\u6027\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<br \/>\n2. \u300c\u5358\u4e00\u30c6\u30fc\u30d6\u30eb\u7d99\u627f\uff08ST\uff09\u300d<br \/>\n* \u7528\u9014\uff1a \u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u7a2e\u985e\u304c\u5c11\u306a\u304f\u3001\u5c5e\u6027\u306e\u9055\u3044\u3082\u5c11\u306a\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u30af\u30a8\u30ea\u306e\u9ad8\u901f\u6027\u3092\u6700\u512a\u5148\u3057\u305f\u3044\u5834\u5408\u3002<br \/>\n* \u5224\u65ad\u7406\u7531\uff1a \u5de8\u5927\u30c6\u30fc\u30d6\u30eb\u306b\u306a\u308a\u307e\u3059\u304c\u3001JOIN\u4e0d\u8981\u30671\u56de\u306e\u30af\u30a8\u30ea\u3067\u5168\u3066\u53d6\u5f97\u3067\u304d\u308b\u305f\u3081\u3001\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u9020\u3068\u9ad8\u901f\u306a\u8aad\u307f\u8fbc\u307f\u304c\u53ef\u80fd\u3067\u3059\u3002<br \/>\n3. \u300c\u5177\u4f53\u8868\u7d99\u627f\uff08TBC\uff09\u300d<br \/>\n* \u7528\u9014\uff1a \u5171\u901a\u5c5e\u6027\u304c\u307b\u3068\u3093\u3069\u306a\u304f\u3001\u5404\u30b5\u30d6\u30bf\u30a4\u30d7\u304c\u5b8c\u5168\u306b\u72ec\u7acb\u3057\u3066\u6271\u308f\u308c\u308b\u5834\u5408\u3002<br \/>\n* \u5224\u65ad\u7406\u7531\uff1a \u30c7\u30fc\u30bf\u304c\u91cd\u8907\u3057\u3066\u3082\u69cb\u308f\u306a\u3044\u306e\u3067\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u3054\u3068\u306b\u5b8c\u5168\u306b\u72ec\u7acb\u3057\u305f\u30c6\u30fc\u30d6\u30eb\u3092\u6301\u3061\u305f\u3044\u5834\u5408\u306b\u63a1\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u7d50\u8ad6\uff1a \u591a\u304f\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306b\u304a\u3044\u3066\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u62e1\u5f35\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u826f\u3044\u300c\u30af\u30e9\u30b9\u8868\u7d99\u627f\u300d\uff08\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\/\u30b5\u30d6\u30bf\u30a4\u30d7\u65b9\u5f0f\uff09\u304c\u63a8\u5968\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u6700\u3082\u591a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>&#8212;<\/p>\n<p>\u3010\u30e6\u30fc\u30b6\u30fc\u78ba\u8a8d\u3011<br \/>\n\u3053\u306e H2 \u30bb\u30af\u30b7\u30e7\u30f3\uff08\u300c\u4ed6\u306e\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u3082\u3042\u308b\u300d\uff09\u306e\u30c9\u30e9\u30d5\u30c8\u3067\u300c\u78ba\u5b9a\u300d\u3068\u3057\u307e\u3059\u304b\uff1f \u305d\u308c\u3068\u3082\u4fee\u6b63\u3092\u5e0c\u671b\u3055\u308c\u307e\u3059\u304b\uff1f<br \/>\n\u300c\u78ba\u5b9a\u300d\u3044\u305f\u3060\u304f\u307e\u3067\u3001\u6b21\u306e\u5de5\u7a0b\u306b\u306f\u9032\u307f\u307e\u305b\u3093\u3002<\/p>\n<h2>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u30fb\u30b5\u30d6\u30bf\u30a4\u30d7\u4ee5\u5916\u306e\u7d99\u627f\u30d1\u30bf\u30fc\u30f33\u7a2e\u3092\u6bd4\u8f03\uff5c\u4f7f\u3044\u5206\u3051\u3068\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n<p>\u300c\u5171\u901a\u60c5\u5831\u3068\u56fa\u6709\u60c5\u5831\u3092\u5206\u3051\u308b\u300d\u3068\u3044\u3046\u8a2d\u8a08\u601d\u60f3\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u306f\u3001\u3053\u308c\u307e\u3067\u89e3\u8aac\u3057\u3066\u304d\u305f\u300c\u30af\u30e9\u30b9\u8868\u7d99\u627f\uff08\u4eca\u56de\u63a1\u7528\u3057\u305f\u65b9\u5f0f\uff09\u300d\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7279\u306bRDB\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u683c\u7d0d\u65b9\u6cd5\u306b\u5fdc\u3058\u3066\u4e3b\u306b\u4ee5\u4e0b\u306e3\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u305f\u3081\u3001\u8a66\u9a13\u3084\u5b9f\u52d9\u3067\u306f\u4f7f\u3044\u5206\u3051\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7d99\u627f\u30d1\u30bf\u30fc\u30f3<\/th>\n<th>\u7279\u5fb4<\/th>\n<th>\u30e1\u30ea\u30c3\u30c8<\/th>\n<th>\u30c7\u30e1\u30ea\u30c3\u30c8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1. \u30af\u30e9\u30b9\u8868\u7d99\u627f<br \/>\n\uff08Table Per Class\uff1aTPC\uff09<\/td>\n<td>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u5225\u3005\u306e\u30c6\u30fc\u30d6\u30eb\u3067\u5b9f\u88c5\u3059\u308b\u3002\uff08\u4eca\u56de\u306e\u8a18\u4e8b\u306e\u65b9\u5f0f\uff09<\/td>\n<td>\u30c7\u30fc\u30bf\u91cd\u8907\u304c\u306a\u304f\u3001\u6b63\u898f\u5316\u30ec\u30d9\u30eb\u304c\u9ad8\u3044\u3002\u62e1\u5f35\u304c\u5bb9\u6613\u3002<\/td>\n<td>\u30c7\u30fc\u30bf\u53d6\u5f97\u6642\u306b\u5fc5\u305aJOIN\u304c\u5fc5\u8981\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u843d\u3061\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>2. \u5358\u4e00\u30c6\u30fc\u30d6\u30eb\u7d99\u627f<br \/>\n\uff08Single Table\uff1aST\uff09<\/td>\n<td>\u5168\u3066\u306e\u5c5e\u6027\uff08\u5171\u901a\u30fb\u56fa\u6709\uff09\u3092\u4e00\u3064\u306e\u5de8\u5927\u306a\u30c6\u30fc\u30d6\u30eb\u306b\u307e\u3068\u3081\u308b\u3002<\/td>\n<td>\u30c7\u30fc\u30bf\u53d6\u5f97\u304cJOIN\u4e0d\u8981\u3067\u9ad8\u901f\u3002\u30b7\u30f3\u30d7\u30eb\u3002<\/td>\n<td>\u56fa\u6709\u5c5e\u6027\u304cNULL\u5024\u3060\u3089\u3051\u306b\u306a\u308a\u3001\u5bb9\u91cf\u306e\u7121\u99c4\u3084\u6574\u5408\u6027\u30c1\u30a7\u30c3\u30af\u304c\u8907\u96d1\u306b\u306a\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>3. \u5177\u4f53\u8868\u7d99\u627f<br \/>\n\uff08Table Per Concrete Class\uff1aTBC\uff09<\/td>\n<td>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3092\u8a2d\u3051\u305a\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u3054\u3068\u306b\u5171\u901a\u5c5e\u6027\u3082\u542b\u3081\u3066\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3002<\/td>\n<td>\u5404\u30c6\u30fc\u30d6\u30eb\u304c\u72ec\u7acb\u3057\u3066\u304a\u308a\u3001JOIN\u304c\u4e0d\u8981\u3002\uff08\u30b7\u30f3\u30d7\u30eb\u306a\u30af\u30a8\u30ea\uff09<\/td>\n<td>\u5171\u901a\u5c5e\u6027\u304c\u5404\u30b5\u30d6\u30bf\u30a4\u30d7\u30c6\u30fc\u30d6\u30eb\u3067\u91cd\u8907\uff08\u5197\u9577\u5316\uff09\u3057\u3001\u6574\u5408\u6027\u306e\u7dad\u6301\u304c\u96e3\u3057\u3044\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u7d99\u627f\u30d1\u30bf\u30fc\u30f3\u306e\u4f7f\u3044\u5206\u3051\u306e\u30dd\u30a4\u30f3\u30c8\uff08CoT\uff1a\u8ad6\u7406\u5c55\u958b\uff09<\/h3>\n<p>\u3053\u306e3\u3064\u306e\u30d1\u30bf\u30fc\u30f3\u304b\u3089\u3001\u3069\u306e\u8a2d\u8a08\u3092\u9078\u3076\u3079\u304d\u304b\u8ff7\u3046\u3053\u3068\u3082\u3042\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u3053\u3067\u306f\u3001\u30d1\u30bf\u30fc\u30f3\u3054\u3068\u306e\u7279\u5fb4\u3092\u6d3b\u304b\u3057\u305f\u4f7f\u3044\u5206\u3051\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u300c\u30af\u30e9\u30b9\u8868\u7d99\u627f\uff08TPC\uff09\u300d \uff08\u4eca\u56de\u306e\u8a18\u4e8b\u306e\u65b9\u5f0f\uff09\n<ul>\n<li>\u7528\u9014\uff1a \u5171\u901a\u5c5e\u6027\u304c\u591a\u304f\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u7a2e\u985e\u304c\u591a\u304f\u3001\u5c06\u6765\u7684\u306a\u62e1\u5f35\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u30b7\u30b9\u30c6\u30e0\u3002<\/li>\n<li>\u5224\u65ad\u7406\u7531\uff1a \u6b63\u898f\u5316\u3092\u91cd\u8996\u3057\u3001\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u5fb9\u5e95\u7684\u306b\u907f\u3051\u305f\u3044\u5834\u5408\u306b\u6700\u9069\u3067\u3059\u3002JOIN\u306e\u8ca0\u8377\u306f\u304b\u304b\u308a\u307e\u3059\u304c\u3001\u8a2d\u8a08\u306e\u67d4\u8edf\u6027\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u300c\u5358\u4e00\u30c6\u30fc\u30d6\u30eb\u7d99\u627f\uff08ST\uff09\u300d\n<ul>\n<li>\u7528\u9014\uff1a \u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u7a2e\u985e\u304c\u5c11\u306a\u304f\u3001\u5c5e\u6027\u306e\u9055\u3044\u3082\u5c11\u306a\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u30af\u30a8\u30ea\u306e\u9ad8\u901f\u6027\u3092\u6700\u512a\u5148\u3057\u305f\u3044\u5834\u5408\u3002<\/li>\n<li>\u5224\u65ad\u7406\u7531\uff1a \u5de8\u5927\u30c6\u30fc\u30d6\u30eb\u306b\u306a\u308a\u307e\u3059\u304c\u3001JOIN\u4e0d\u8981\u30671\u56de\u306e\u30af\u30a8\u30ea\u3067\u5168\u3066\u53d6\u5f97\u3067\u304d\u308b\u305f\u3081\u3001\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u9020\u3068\u9ad8\u901f\u306a\u8aad\u307f\u8fbc\u307f\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u300c\u5177\u4f53\u8868\u7d99\u627f\uff08TBC\uff09\u300d\n<ul>\n<li>\u7528\u9014\uff1a \u5171\u901a\u5c5e\u6027\u304c\u307b\u3068\u3093\u3069\u306a\u304f\u3001\u5404\u30b5\u30d6\u30bf\u30a4\u30d7\u304c\u5b8c\u5168\u306b\u72ec\u7acb\u3057\u3066\u6271\u308f\u308c\u308b\u5834\u5408\u3002<\/li>\n<li>\u5224\u65ad\u7406\u7531\uff1a \u30c7\u30fc\u30bf\u304c\u91cd\u8907\u3057\u3066\u3082\u69cb\u308f\u306a\u3044\u306e\u3067\u3001\u30b5\u30d6\u30bf\u30a4\u30d7\u3054\u3068\u306b\u5b8c\u5168\u306b\u72ec\u7acb\u3057\u305f\u30c6\u30fc\u30d6\u30eb\u3092\u6301\u3061\u305f\u3044\u5834\u5408\u306b\u63a1\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u7d50\u8ad6\uff1a \u591a\u304f\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306b\u304a\u3044\u3066\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u62e1\u5f35\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u826f\u3044\u300c\u30af\u30e9\u30b9\u8868\u7d99\u627f\u300d\uff08\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\/\u30b5\u30d6\u30bf\u30a4\u30d7\u65b9\u5f0f\uff09\u304c\u63a8\u5968\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u6700\u3082\u591a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>\u307e\u3068\u3081\uff1a\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u3067\u300c\u3044\u3064\u300d\u300c\u3069\u3046\u300d\u4f7f\u3046\u304b\uff1f\u5b9f\u8df5\u7684\u4f7f\u3044\u5206\u3051<\/h2>\n<p>\u3053\u308c\u307e\u3067\u3001\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\u3068\u30b5\u30d6\u30bf\u30a4\u30d7\u306e\u8a2d\u8a08\u601d\u60f3\u3001ER\u56f3\u3067\u306e\u8868\u8a18\u3001SQL\u3067\u306e\u5b9f\u88c5\u3001\u305d\u3057\u3066\u4ed6\u306e\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u3068\u306e\u6bd4\u8f03\u3092\u898b\u3066\u304d\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u3001\u5b9f\u52d9\u3084\u8a66\u9a13\u554f\u984c\u3067\u300c\u3053\u306e\u8a2d\u8a08\u3092\u4f7f\u3046\u3079\u304d\u304b\uff1f\u300d\u3068\u5224\u65ad\u3059\u308b\u305f\u3081\u306e\u3001\u6c7a\u5b9a\u7684\u306a\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30fc\u30d1\u30fc\u30bf\u30a4\u30d7\uff0f\u30b5\u30d6\u30bf\u30a4\u30d7\uff08\u30af\u30e9\u30b9\u8868\u7d99\u627f\uff09\u3092\u4f7f\u3046\u3079\u304d3\u3064\u306e\u6761\u4ef6<\/h3>\n<p>\u4ee5\u4e0b\u306e3\u3064\u306e\u6761\u4ef6\u304c\u63c3\u3063\u305f\u3068\u304d\u3001\u3053\u306e\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3\u304c\u6700\u3082\u6709\u52b9\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u300c\u5171\u901a\u5c5e\u6027\u300d\u306e\u5b58\u5728\uff1a \u6271\u3046\u30c7\u30fc\u30bf\uff08\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff09\u306e\u30b0\u30eb\u30fc\u30d7\u9593\u306b\u3001\u5fc5\u305a\u5171\u6709\u3055\u308c\u308b\u57fa\u672c\u7684\u306a\u5c5e\u6027\uff08\u30ab\u30e9\u30e0\uff09\u304c\u5b58\u5728\u3059\u308b\u3002<\/li>\n<li>\u300c\u7a2e\u985e\u5206\u3051\u300d\u306e\u5fc5\u8981\u6027\uff1a \u305d\u306e\u30c7\u30fc\u30bf\u304c\u3001\u30d3\u30b8\u30cd\u30b9\u4e0a\u30012\u3064\u4ee5\u4e0a\u306e\u7570\u306a\u308b\u7a2e\u985e\uff08\u30b5\u30d6\u30bf\u30a4\u30d7\uff09\u306b\u5206\u985e\u3055\u308c\u3001\u305d\u308c\u305e\u308c\u306b\u56fa\u6709\u306e\u5c5e\u6027\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/li>\n<li>\u300c\u5c06\u6765\u306e\u62e1\u5f35\u300d\u3092\u60f3\u5b9a\uff1a \u4eca\u5f8c\u3001\u65b0\u3057\u3044\u7a2e\u985e\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u304c\u8ffd\u52a0\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3002<\/li>\n<\/ol>\n<h3>\u5fdc\u7528\u60c5\u5831\u30fbDB\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8\u5bfe\u7b56\u3068\u3057\u3066\u306e\u6700\u7d42\u78ba\u8a8d<\/h3>\n<p>\u5348\u5f8c\u8a66\u9a13\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u554f\u984c\u3067\u306f\u3001\u3057\u3070\u3057\u3070\u300c\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u8a2d\u8a08\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u8ff0\u3079\u3088\u300d\u3068\u3044\u3046\u5f62\u3067\u554f\u308f\u308c\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8996\u70b9\u3067\u8a2d\u8a08\u3092\u632f\u308a\u8fd4\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u5358\u4e00\u30c6\u30fc\u30d6\u30eb\uff08ST\uff09\u3068\u306e\u6bd4\u8f03\uff1a 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