{"id":1529,"date":"2026-03-23T04:22:10","date_gmt":"2026-03-23T04:22:10","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/ja\/indexing-patterns-based-on-erd-structure\/"},"modified":"2026-03-23T04:22:10","modified_gmt":"2026-03-23T04:22:10","slug":"indexing-patterns-based-on-erd-structure","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/ja\/indexing-patterns-based-on-erd-structure\/","title":{"rendered":"ER\u56f3\u306e\u69cb\u9020\u306b\u57fa\u3065\u304f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30d1\u30bf\u30fc\u30f3"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn infographic illustrating database indexing strategies based on ERD structure, featuring primary key optimization, foreign key indexing, many-to-many junction tables, composite and covering indexes, common pitfalls to avoid, and performance monitoring tips with visual flow from entity relationships to query performance gains\" decoding=\"async\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/03\/erd-indexing-patterns-infographic-hand-drawn.jpg\"\/><\/figure>\n<\/div>\n<p>\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u306b\u306f\u3001\u6700\u521d\u306e\u30af\u30a8\u30ea\u304c\u5b9f\u884c\u3055\u308c\u308b\u524d\u304b\u3089\u6e96\u5099\u304c\u5fc5\u8981\u3067\u3059\u3002\u305d\u306e\u51fa\u767a\u70b9\u306f\u3001\u30d6\u30eb\u30fc\u30d7\u30ea\u30f3\u30c8\u3067\u3042\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u3067\u3059\u3002\u591a\u304f\u306e\u958b\u767a\u8005\u304c\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210\u3084\u30ab\u30e9\u30e0\u306e\u578b\u306b\u6ce8\u76ee\u3059\u308b\u4e2d\u3067\u3001\u771f\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6e90\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3068\u3069\u306e\u3088\u3046\u306b\u6574\u5408\u3057\u3066\u3044\u308b\u304b\u306b\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u5358\u306a\u308b\u8a2d\u5b9a\u9805\u76ee\u3067\u306f\u306a\u304f\u3001\u8ad6\u7406\u7684\u306a\u95a2\u4fc2\u306e\u7269\u7406\u7684\u8868\u73fe\u306a\u306e\u3067\u3059\u3002<\/p>\n<p>ER\u56f3\u3092\u69cb\u9020\u5316\u3059\u308b\u969b\u3001\u30c7\u30fc\u30bf\u306e\u57fa\u6570\u3068\u63a5\u7d9a\u6027\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u69cb\u9020\u7684\u9078\u629e\u304c\u3001\u6700\u3082\u52b9\u7387\u7684\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6226\u7565\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u30021\u5bfe1\u306e\u95a2\u4fc2\u3068\u3001\u591a\u5bfe\u591a\u306e\u7d50\u5408\u3067\u306f\u3001\u7570\u306a\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u5fae\u7d30\u306a\u70b9\u3092\u7121\u8996\u3059\u308b\u3068\u3001\u7d50\u5408\u304c\u9045\u304f\u306a\u308a\u3001I\/O\u304c\u904e\u5270\u306b\u306a\u308a\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u65ad\u7247\u5316\u3059\u308b\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u7279\u5b9a\u306e\u30d9\u30f3\u30c0\u30fc\u88fd\u30c4\u30fc\u30eb\u306b\u4f9d\u5b58\u305b\u305a\u306b\u3001ER\u56f3\u3092\u9ad8\u6027\u80fd\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30d1\u30bf\u30fc\u30f3\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h2>\ud83d\udd11 \u57fa\u76e4\u3092\u7406\u89e3\u3059\u308b\uff1aER\u56f3\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/h2>\n<p>ER\u56f3\u306f\u8996\u899a\u7684\u88dc\u52a9\u4ee5\u4e0a\u306e\u3082\u306e\u3067\u3042\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u3068\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u3068\u306e\u5951\u7d04\u3067\u3059\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u7dda\u304c\u5f15\u304b\u308c\u308b\u305f\u3073\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u5f37\u5236\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5236\u7d04\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u3053\u308c\u3089\u306e\u5236\u7d04\u306e\u5f37\u5236\u3092\u9ad8\u901f\u5316\u3057\u3001\u305d\u308c\u3089\u3092\u8de8\u3044\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30c8\u30ec\u30fc\u30b8\u5c64\u3092\u56f3\u66f8\u9928\u306b\u4f8b\u3048\u308b\u3068\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u306a\u3051\u308c\u3070\u3001\u672c\u3092\u63a2\u3059\u306b\u306f\u3059\u3079\u3066\u306e\u68da\u3092\u30b9\u30ad\u30e3\u30f3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff08\u30d5\u30eb\u30c6\u30fc\u30d6\u30eb\u30b9\u30ad\u30e3\u30f3\uff09\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u30ab\u30bf\u30ed\u30b0\u30ab\u30fc\u30c9\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u691c\u7d22\u30ad\u30fc\u304c\u8457\u8005\u3067\u3042\u308b\u306e\u306b\u3001\u30b8\u30e3\u30f3\u30eb\u3067\u30ab\u30bf\u30ed\u30b0\u30ab\u30fc\u30c9\u3092\u914d\u7f6e\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u975e\u52b9\u7387\u306b\u306a\u308a\u307e\u3059\u3002ER\u56f3\u306f\u3001\u8457\u8005\u3084\u30b8\u30e3\u30f3\u30eb\u304c\u8ab0\u3067\u3042\u308b\u304b\u3001\u305d\u3057\u3066\u3069\u306e\u95a2\u4fc2\u304c\u6700\u3082\u91cd\u8981\u3067\u3042\u308b\u304b\u3092\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<p>\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u57fa\u6570\uff1a<\/strong>\u9ad8\u3044\u57fa\u6570\u3092\u6301\u3064\u30ab\u30e9\u30e0\uff08\u4e00\u610f\u306e\u5024\uff09\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u6069\u6075\u3092\u6700\u3082\u53d7\u3051\u307e\u3059\u3002<\/li>\n<li><strong>\u7d50\u5408\u983b\u5ea6\uff1a<\/strong>\u983b\u7e41\u306b\u7d50\u5408\u3055\u308c\u308b\u30c6\u30fc\u30d6\u30eb\u306f\u3001\u5916\u90e8\u30ad\u30fc\u306b\u7279\u5b9a\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u66f8\u304d\u8fbc\u307f\u91cf\uff1a<\/strong>\u3059\u3079\u3066\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u633f\u5165\u304a\u3088\u3073\u66f4\u65b0\u64cd\u4f5c\u306b\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30af\u30a8\u30ea\u30d1\u30bf\u30fc\u30f3\uff1a<\/strong>\u3069\u306e\u3088\u3046\u306b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u307e\u3059\u304b\uff1f\u3069\u306e\u3088\u3046\u306b\u30bd\u30fc\u30c8\u3057\u307e\u3059\u304b\uff1fER\u56f3\u304c\u305d\u306e\u7b54\u3048\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\ud83c\udfd7\ufe0f \u4e3b\u30ad\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6226\u7565<\/h2>\n<p>\u4e3b\u30ad\u30fc\uff08PK\uff09\u306f\u3001\u3059\u3079\u3066\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u9aa8\u683c\u3067\u3059\u3002\u4e00\u610f\u6027\u3092\u4fdd\u8a3c\u3057\u3001\u591a\u304f\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u30c7\u30fc\u30bf\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6226\u7565\u3092PK\u306e\u5b9a\u7fa9\u306b\u5408\u308f\u305b\u308b\u3053\u3068\u306f\u3001\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002<\/p>\n<h3>1. \u4ee3\u66ff\u30ad\u30fc vs. \u81ea\u7136\u30ad\u30fc<\/h3>\n<p>\u4ee3\u66ff\u30ad\u30fc\uff08\u81ea\u52d5\u5897\u52a0ID\uff09\u3068\u81ea\u7136\u30ad\u30fc\uff08\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3084\u793e\u4f1a\u4fdd\u969c\u756a\u53f7\u306a\u3069\uff09\u306e\u9078\u629e\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u4ee3\u66ff\u30ad\u30fc\uff1a<\/strong>\u3053\u308c\u3089\u306f\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u306b\u7406\u60f3\u7684\u3067\u3059\u3002\u77ed\u304f\u3001\u5358\u8abf\u306b\u5897\u52a0\u3057\u3001\u9806\u5e8f\u7acb\u3066\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u66f8\u304d\u8fbc\u307f\u6642\u306e\u30da\u30fc\u30b8\u5206\u5272\u3084\u65ad\u7247\u5316\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \ud83d\udcc8<\/li>\n<li><strong>\u81ea\u7136\u30ad\u30fc\uff1a<\/strong>\u610f\u5473\u7684\u306b\u610f\u5473\u306e\u3042\u308b\u4e00\u65b9\u3067\u3001\u9577\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u9577\u3055\u304c\u5909\u52d5\u3057\u305f\u308a\u3001\u5909\u66f4\u3055\u308c\u3084\u3059\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u3089\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u6574\u6570\u30d9\u30fc\u30b9\u306e\u30ad\u30fc\u3068\u6bd4\u8f03\u3057\u3066\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30b5\u30a4\u30ba\u304c\u5927\u304d\u304f\u306a\u308a\u3001\u691c\u7d22\u304c\u9045\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>2. \u30af\u30e9\u30b9\u30bf\u30fc\u30c9\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5f71\u97ff<\/h3>\n<p>\u591a\u304f\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306f\u3001\u4e3b\u30ad\u30fc\u304c\u30af\u30e9\u30b9\u30bf\u30fc\u30c9\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u884c\u304c\u30ad\u30fc\u306e\u9806\u5e8f\u3067\u7269\u7406\u7684\u306b\u683c\u7d0d\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3082\u3057ER\u56f3\u304b\u3089\u3001\u7279\u5b9a\u306e\u81ea\u7136\u5c5e\u6027\u3067\u983b\u7e41\u306b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u30af\u30a8\u30ea\u304c\u3042\u308b\u3068\u4e88\u60f3\u3055\u308c\u308b\u5834\u5408\u3001\u4e3b\u30ad\u30fc\u306e\u5b9a\u7fa9\u3092\u518d\u691c\u8a0e\u3059\u308b\u304b\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u30c9\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c1\u3064\u306e\u30af\u30a8\u30ea\u30bf\u30a4\u30d7\u306b\u6700\u9069\u5316\u3055\u308c\u308b\u4e00\u65b9\u3067\u3001\u30b5\u30d6\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u4ed6\u306e\u30af\u30a8\u30ea\u3092\u51e6\u7406\u3059\u308b\u3053\u3068\u3092\u53d7\u3051\u5165\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\ud83d\udd17 \u5916\u90e8\u30ad\u30fc\u306e\u6700\u9069\u5316<\/h2>\n<p>\u5916\u90e8\u30ad\u30fc\uff08FK\uff09\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u95a2\u4fc2\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u306a\u3051\u308c\u3070\u3001\u3053\u308c\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3068\u306a\u308b\u6700\u3082\u4e00\u822c\u7684\u306a\u539f\u56e0\u3067\u3059\u30022\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3059\u308b\u969b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u306fFK\u30ab\u30e9\u30e0\u306b\u57fa\u3065\u3044\u3066\u884c\u3092\u30de\u30c3\u30c1\u30f3\u30b0\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u306a\u3051\u308c\u3070\u3001\u3053\u306e\u64cd\u4f5c\u306f\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30eb\u30fc\u30d7\u30b9\u30ad\u30e3\u30f3\u306b\u52a3\u5316\u3057\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306f\u8a08\u7b97\u30b3\u30b9\u30c8\u304c\u975e\u5e38\u306b\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>1. \u5916\u90e8\u30ad\u30fc\u5217\u3078\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316<\/h3>\n<p>\u5b50\u30c6\u30fc\u30d6\u30eb\u306e\u5916\u90e8\u30ad\u30fc\u5217\u306b\u306f\u3001\u5e38\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a8\u30f3\u30b8\u30f3\u306f\u5168\u30c6\u30fc\u30d6\u30eb\u3092\u30b9\u30ad\u30e3\u30f3\u305b\u305a\u306b\u3001\u95a2\u9023\u3059\u308b\u884c\u3092\u8fc5\u901f\u306b\u691c\u7d22\u3067\u304d\u307e\u3059\u3002<\/p>\n<table border=\"1\" cellpadding=\"5\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u30b7\u30ca\u30ea\u30aa<\/th>\n<th>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u306e\u8981\u4ef6<\/th>\n<th>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1\u5bfe\u591a\uff08\u5b50\uff09<\/td>\n<td>\u5b50\u30c6\u30fc\u30d6\u30eb\u306e\u5916\u90e8\u30ad\u30fc\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u5b9a<\/td>\n<td>\u89aa\u30c7\u30fc\u30bf\u306e\u9ad8\u901f\u691c\u7d22\u3092\u53ef\u80fd\u306b\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u5bfe1\uff08\u89aa\uff09<\/td>\n<td>\u89aa\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u5b9a\uff08\u901a\u5e38\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\uff09<\/td>\n<td>\u6a19\u6e96\u306e\u4e3b\u30ad\u30fc\u52d5\u4f5c<\/td>\n<\/tr>\n<tr>\n<td>\u9023\u9396\u524a\u9664<\/td>\n<td>\u5916\u90e8\u30ad\u30fc\u3068\u89aa\u306e\u4e3b\u30ad\u30fc\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u5b9a<\/td>\n<td>\u524a\u9664\u6642\u306b\u30c6\u30fc\u30d6\u30eb\u5168\u4f53\u3092\u30ed\u30c3\u30af\u3059\u308b\u306e\u3092\u9632\u3050<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. \u8907\u5408\u5916\u90e8\u30ad\u30fc<\/h3>\n<p>\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u95a2\u4fc2\u304c\u8907\u6570\u306e\u5217\u306b\u4f9d\u5b58\u3059\u308b\uff08\u4f8b\uff1a\u89aa\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u306e\u8907\u5408\u30ad\u30fc\uff09\u3002\u3053\u306e\u5834\u5408\u3001\u89aa\u30ad\u30fc\u306e\u5217\u3068\u9806\u5e8f\u3068\u4e00\u81f4\u3059\u308b\u3088\u3046\u306b\u3001\u5b50\u30c6\u30fc\u30d6\u30eb\u306b\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5185\u306e\u5217\u306e\u9806\u5e8f\u304c\u4e00\u81f4\u3057\u306a\u3044\u3068\u3001\u7d50\u5408\u64cd\u4f5c\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u5f79\u7acb\u305f\u306a\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\ud83d\udd00 \u591a\u5bfe\u591a\u95a2\u4fc2\u306e\u51e6\u7406<\/h2>\n<p>\u591a\u5bfe\u591a\uff08M:N\uff09\u95a2\u4fc2\u306f\u3001\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u306b\u3088\u3063\u3066\u89e3\u6c7a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u3001\u4e21\u65b9\u306e\u89aa\u30c6\u30fc\u30d6\u30eb\u3092\u6307\u3059\u5916\u90e8\u30ad\u30fc\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6226\u7565\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<code>\u751f\u5f92<\/code>\u306b\u767b\u9332\u3059\u308b<code>\u6388\u696d<\/code>\u3002\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u304c\u305d\u308c\u3089\u3092\u30ea\u30f3\u30af\u3057\u307e\u3059\u3002\u751f\u5f92\u306e\u3059\u3079\u3066\u306e\u6388\u696d\u3092\u691c\u7d22\u3059\u308b\u306b\u306f\u3001\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u3092\u52b9\u7387\u7684\u306b\u30af\u30a8\u30ea\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u53cc\u65b9\u5411\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff1a<\/strong>\u4e21\u65b9\u306e\u5916\u90e8\u30ad\u30fc\u5217\u3092\u500b\u5225\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u3059\u308b\u3079\u304d\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d5\u30eb\u30b9\u30ad\u30e3\u30f3\u306a\u3057\u306b\u3069\u3061\u3089\u306e\u65b9\u5411\u304b\u3089\u3067\u3082\u95a2\u4fc2\u3092\u30af\u30a8\u30ea\u3067\u304d\u307e\u3059\uff08\u751f\u5f92\u2192\u6388\u696d\u3001\u307e\u305f\u306f\u6388\u696d\u2192\u751f\u5f92\uff09\u3002<\/li>\n<li><strong>\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff1a<\/strong>\u30af\u30a8\u30ea\u304c\u5e38\u306b\u7279\u5b9a\u306e\u751f\u5f92\u306e\u6388\u696d\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u3001(\u751f\u5f92ID\u3001\u6388\u696dID) \u306b\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u30012\u3064\u306e\u5225\u3005\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3088\u308a\u3082\u52b9\u7387\u7684\u3067\u3059\u30021\u56de\u306e\u691c\u7d22\u3067\u691c\u7d22\u6761\u4ef6\u3092\u3059\u3079\u3066\u30ab\u30d0\u30fc\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udcca \u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3068\u30ab\u30d0\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/h2>\n<p>\u3059\u3079\u3066\u306e\u30af\u30a8\u30ea\u304c1\u3064\u306e\u5217\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8907\u96d1\u306a\u30af\u30a8\u30ea\u306f\u3057\u3070\u3057\u3070\u8907\u6570\u306e\u6761\u4ef6\u3092\u542b\u307f\u307e\u3059\u3002\u3053\u3053\u304c\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5f37\u307f\u3067\u3059\u3002\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u8907\u6570\u306e\u5217\u306b\u57fa\u3065\u3044\u3066\u69cb\u7bc9\u3055\u308c\u305f\u5358\u4e00\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3067\u3059\u3002<\/p>\n<h3>1. \u5217\u306e\u9806\u5e8f\u304c\u91cd\u8981<\/h3>\n<p>\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5185\u306e\u5217\u306e\u9806\u5e8f\u306f\u4efb\u610f\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u306f\u3001\u7b49\u4fa1\u6761\u4ef6\u304c\u7d42\u4e86\u3059\u308b\u70b9\u307e\u3067\u3057\u304b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u5229\u7528\u3067\u304d\u307e\u305b\u3093\u3002\u305f\u3068\u3048\u3070\u3001(\u90fd\u5e02\u3001\u90fd\u9053\u5e9c\u770c) 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\u30ab\u30d0\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/h3>\n<p>\u30ab\u30d0\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u30af\u30a8\u30ea\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u5217\uff08SELECT\u30ea\u30b9\u30c8\u3092\u542b\u3080\uff09\u3092\u542b\u307f\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u30e1\u30a4\u30f3\u30c6\u30fc\u30d6\u30eb\uff08\u30d2\u30fc\u30d7\uff09\u306b\u30a2\u30af\u30bb\u30b9\u305b\u305a\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30c4\u30ea\u30fc\u304b\u3089\u76f4\u63a5\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u8aad\u307f\u8fbc\u307f\u304c\u91cd\u3044\u64cd\u4f5c\u306b\u304a\u3044\u3066\u5927\u304d\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002<\/p>\n<h2>\u26a0\ufe0f 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