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class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Child's drawing style infographic illustrating the 6-step process of translating business requirements into an Entity-Relationship Diagram (ERD): gathering requirements with magnifying glass and notes, identifying core entities as colorful building blocks (Customer, Product, Order), defining attributes with tags and labels, mapping relationships with connecting lines showing one-to-one, one-to-many, and many-to-many cardinality, ensuring data normalization with balance scales and organized bins for 1NF\/2NF\/3NF, and final review validation with checklist and approval stamp - all rendered in playful crayon textures, wobbly lines, and bright primary colors for intuitive visual learning\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/requirements-to-erd-childs-drawing-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>1. \u5165\u529b\u306e\u7406\u89e3\uff1a\u8981\u4ef6\u306e\u53ce\u96c6\u3068\u5206\u6790 \ud83d\udccb<\/h2>\n<p>\u3042\u3089\u3086\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u57fa\u76e4\u306f\u8981\u4ef6\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u4ef6\u306f\u3001\u5f53\u521d\u63d0\u793a\u3055\u308c\u305f\u969b\u306b\u306f\u3057\u3070\u3057\u3070\u66d6\u6627\u3067\u3001\u77db\u76fe\u3057\u3066\u3044\u308b\u3001\u3042\u308b\u3044\u306f\u4e0d\u5b8c\u5168\u306a\u72b6\u614b\u3067\u3059\u3002\u76ee\u7684\u306f\u300c<em>\u4f55<\/em>\u300d\u3068\u300c<em>\u306a\u305c<\/em>\u300d\u3092\u3001\u307e\u305a\u300c<em>\u3069\u3046\u3084\u3063\u3066<\/em>.<\/p>\n<h3>\u30d3\u30b8\u30cd\u30b9\u30d7\u30ed\u30bb\u30b9\u306e\u7279\u5b9a<\/h3>\n<p>\u307e\u305a\u3001\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u6574\u7406\u3057\u307e\u3057\u3087\u3046\u3002\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u306b\u65e5\u3005\u306e\u696d\u52d9\u3092\u8aac\u660e\u3057\u3066\u3082\u3089\u3044\u307e\u3059\u3002\u60c5\u5831\u306e\u4fdd\u5b58\u306b\u95a2\u308f\u308b\u884c\u52d5\u306b\u6ce8\u610f\u3092\u5411\u3051\u307e\u3057\u3087\u3046\u3002\u305f\u3068\u3048\u3070\u3001\u7269\u6d41\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u304c\u6b21\u306e\u3088\u3046\u306b\u8a00\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<strong>\u300c\u3069\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u3044\u3064\u3069\u3053\u306b\u3042\u308b\u304b\u3092\u8ffd\u8de1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u300d<\/strong>\u3053\u306e\u6587\u306b\u306f\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u3001\u305d\u306e\u4f4d\u7f6e\u3001\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3068\u3044\u3063\u305f\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3078\u306e\u30d2\u30a2\u30ea\u30f3\u30b0\uff1a<\/strong>\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3060\u3051\u3067\u306a\u304f\u3001\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u3068\u3082\u4f1a\u8b70\u3092\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3057\u307e\u3057\u3087\u3046\u3002\u5f7c\u3089\u306f\u4e0a\u4f4d\u306e\u8981\u7d04\u3067\u306f\u898b\u9003\u3055\u308c\u304c\u3061\u306a\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/li>\n<li><strong>\u30eb\u30fc\u30eb\u306e\u6587\u66f8\u5316\uff1a<\/strong>\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u660e\u78ba\u306b\u8a18\u9332\u3057\u307e\u3057\u3087\u3046\u3002\u300c\u9867\u5ba2\u306f\u540c\u6642\u306b\u8907\u6570\u306e\u6709\u52b9\u306a\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6301\u3064\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u300d\u3053\u308c\u306f\u5358\u306a\u308b\u6a5f\u80fd\u3067\u306f\u306a\u304f\u3001\u5236\u7d04\u3067\u3059\u3002<em>\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u660e\u78ba\u306b\u8a18\u9332\u3057\u307e\u3057\u3087\u3046\u3002\u300c\u9867\u5ba2\u306f\u540c\u6642\u306b\u8907\u6570\u306e\u6709\u52b9\u306a\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6301\u3064\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u300d\u3053\u308c\u306f\u5358\u306a\u308b\u6a5f\u80fd\u3067\u306f\u306a\u304f\u3001\u5236\u7d04\u3067\u3059\u3002<\/em>\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u660e\u78ba\u306b\u8a18\u9332\u3057\u307e\u3057\u3087\u3046\u3002\u300c\u9867\u5ba2\u306f\u540c\u6642\u306b\u8907\u6570\u306e\u6709\u52b9\u306a\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u6301\u3064\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u300d\u3053\u308c\u306f\u5358\u306a\u308b\u6a5f\u80fd\u3067\u306f\u306a\u304f\u3001\u5236\u7d04\u3067\u3059\u3002<\/li>\n<li><strong>\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u306e\u30ec\u30d3\u30e5\u30fc\uff1a<\/strong>\u53e4\u3044\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u79fb\u884c\u3059\u308b\u5834\u5408\u3001\u30ec\u30ac\u30b7\u30fc\u30c7\u30fc\u30bf\u3092\u5206\u6790\u3057\u307e\u3057\u3087\u3046\u3002\u5b9f\u969b\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u4f55\u304b\uff1f\u3069\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u975e\u63a8\u5968\u306b\u306a\u3063\u305f\u306e\u304b\uff1f<\/li>\n<\/ul>\n<h3>\u5b9a\u6027\u7684\u8981\u4ef6\u3068\u5b9a\u91cf\u7684\u8981\u4ef6<\/h3>\n<p>\u3059\u3079\u3066\u306e\u8981\u4ef6\u304c\u540c\u7b49\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u306e\u6027\u8cea\u3068\u30c7\u30fc\u30bf\u306e\u91cf\u306e\u9055\u3044\u3092\u660e\u78ba\u306b\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<ul>\n<li><strong>\u5b9a\u6027\u7684\uff1a<\/strong>\u610f\u5473\u3068\u7a2e\u985e\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u65e5\u4ed8\u306f\u8a95\u751f\u65e5\u304b\u53d6\u5f15\u65e5\u304b\uff1f\u540d\u524d\u306f1\u3064\u306e\u6587\u5b57\u5217\u304b\u3001\u540d\u3068\u59d3\u306b\u5206\u304b\u308c\u308b\u304b\uff1f<\/li>\n<li><strong>\u5b9a\u91cf\u7684\uff1a<\/strong> \u5236\u9650\u3092\u5b9a\u7fa9\u3059\u308b\u30021\u65e5\u3042\u305f\u308a\u306e\u30ec\u30b3\u30fc\u30c9\u6570\u306f\u3069\u308c\u304f\u3089\u3044\u304b\uff1f\u4fdd\u6301\u671f\u9593\u306f\u3069\u306e\u304f\u3089\u3044\u304b\uff1f<\/li>\n<\/ul>\n<p> \u3053\u3053\u3067\u306e\u6df7\u4e71\u306f\u3001\u52a3\u3063\u305f\u30b9\u30ad\u30fc\u30de\u8a2d\u8a08\u306b\u3064\u306a\u304c\u308b\u3002\u305f\u3068\u3048\u3070\u3001\u96fb\u8a71\u756a\u53f7\u3092\u30c6\u30ad\u30b9\u30c8\u6587\u5b57\u5217\u3068\u3057\u3066\u6271\u3046\u3068\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u7528\u306e\u6587\u5b57\u3092\u8a31\u53ef\u3067\u304d\u308b\u304c\u3001\u6574\u6570\u3068\u3057\u3066\u6271\u3046\u3068\u5fc5\u8981\u306a\u63a5\u982d\u8f9e\u304c\u524a\u9664\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u610f\u601d\u6c7a\u5b9a\u306f\u65e9\u671f\u306b\u6587\u66f8\u5316\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n<h2>2. 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\ud83c\udfd7\ufe0f<\/h2>\n<p>\u8981\u4ef6\u304c\u660e\u78ba\u306b\u306a\u3063\u305f\u3089\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306f<strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3<\/strong>\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u306f\u3001\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u73fe\u5b9f\u4e16\u754c\u306e\u7269\u4f53\u3084\u6982\u5ff5\u3092\u8868\u3059\u3002ERD\u3067\u306f\u3001\u3053\u308c\u3089\u306f\u901a\u5e38\u9577\u65b9\u5f62\u3067\u8868\u3055\u308c\u308b\u3002<\/p>\n<h3>\u767a\u898b\u306e\u305f\u3081\u306e\u624b\u6cd5<\/h3>\n<p>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u898b\u3064\u3051\u308b\u306b\u306f\u3001\u8981\u4ef6\u3092\u540d\u8a5e\u3067\u30b9\u30ad\u30e3\u30f3\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u3059\u3079\u3066\u306e\u540d\u8a5e\u304c\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u304c\u5fc5\u8981\u3067\u3001\u56fa\u6709\u306e\u8b58\u5225\u5b50\u3092\u6301\u3064\u540d\u8a5e\u306e\u307f\u3092\u7d5e\u308a\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u76f4\u63a5\u7684\u306a\u540d\u8a5e\uff1a<\/strong> <em>\u9867\u5ba2<\/em>, <em>\u88fd\u54c1<\/em>, <em>\u8acb\u6c42\u66f8<\/em>\u3053\u308c\u3089\u306f\u660e\u3089\u304b\u306b\u5019\u88dc\u3068\u306a\u308b\u3002<\/li>\n<li><strong>\u96a0\u308c\u305f\u540d\u8a5e\uff1a<\/strong> \u3068\u304d\u306b\u306f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u52d5\u8a5e\u306e\u4e2d\u306b\u96a0\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308b\u3002<em>\u300c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30c1\u30fc\u30e0\u306b\u5272\u308a\u5f53\u3066\u308b\u3002\u300d<\/em> \u3053\u3053\u3067\u306f<em>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/em> \u3068<em>\u30c1\u30fc\u30e0<\/em> \u304c\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3067\u3042\u308b\u3002<em>\u5272\u308a\u5f53\u3066<\/em> \u5272\u308a\u5f53\u3066\u306b\u306f\u72ec\u81ea\u306e\u5c5e\u6027\uff08\u5272\u308a\u5f53\u3066\u65e5\u6642\u306a\u3069\uff09\u304c\u3042\u308b\u5834\u5408\u3001\u95a2\u4fc2\u6027\u307e\u305f\u306f\u5225\u500b\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<li><strong>\u9664\u5916\u3055\u308c\u308b\u540d\u8a5e\uff1a<\/strong> \u300e<em>\u30b7\u30b9\u30c6\u30e0<\/em>, <em>\u30e6\u30fc\u30b6\u30fc<\/em>\uff08\u4e00\u822c\u7684\u306a\u610f\u5473\u3067\uff09\u3001\u307e\u305f\u306f <em>\u30c7\u30fc\u30bf<\/em>\u306f\u3057\u3070\u3057\u3070\u62bd\u8c61\u7684\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u308c\u306f<em>\u767b\u9332\u30e6\u30fc\u30b6\u30fc<\/em> \u304b\u3001<em>\u30b2\u30b9\u30c8<\/em>?<\/li>\n<\/ul>\n<h3>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u5b9a\u7fa9<\/h3>\n<p>\u3059\u3079\u3066\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u30011\u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4ed6\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u533a\u5225\u3059\u308b\u65b9\u6cd5\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u304c<strong>\u30d7\u30e9\u30a4\u30de\u30ea\u30ad\u30fc<\/strong>\u3067\u3059\u3002\u6982\u5ff5\u6bb5\u968e\u3067\u306f\u3001\u3053\u306e\u30ad\u30fc\u304c\u81ea\u52d5\u5897\u5206\u756a\u53f7\u304bUUID\u304b\u3092\u6c7a\u3081\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u5fc5\u8981\u3067\u3042\u308b\u3053\u3068\u3092\u8a8d\u8b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u81ea\u7136\u30ad\u30fc\uff1a<\/strong>\u73fe\u5b9f\u4e16\u754c\u306e\u5c5e\u6027\u304c\u4e00\u610f\u306e\u8b58\u5225\u3092\u63d0\u4f9b\u3059\u308b\u304b\uff1f\uff08\u4f8b\uff1a\u793e\u4f1a\u4fdd\u969c\u756a\u53f7\u3084\u8eca\u4e21\u8b58\u5225\u756a\u53f7\u306a\u3069\uff09\u3002<\/li>\n<li><strong>\u4ee3\u66ff\u30ad\u30fc\uff1a<\/strong>\u81ea\u7136\u30ad\u30fc\u304c\u5b58\u5728\u3057\u306a\u3044\u3001\u307e\u305f\u306f\u30ad\u30fc\u304c\u983b\u7e41\u306b\u5909\u5316\u3059\u308b\u5834\u5408\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u751f\u6210\u306e\u30e6\u30cb\u30fc\u30afID\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3<strong>\u5f93\u696d\u54e1<\/strong>\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5f93\u696d\u54e1ID\u304c\u30ad\u30fc\u306a\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u540d\u524d\u3068\u90e8\u7f72\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u4e00\u610f\u306a\u306e\u304b\u3069\u3046\u304b\u3067\u3059\u3002\u901a\u5e38\u3001\u540d\u524d\u306e\u5909\u66f4\u3084\u91cd\u8907\u540d\u306e\u554f\u984c\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u30e6\u30cb\u30fc\u30afID\u306e\u65b9\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n<h2>3. \u5c5e\u6027\u3068\u30c7\u30fc\u30bf\u578b\u306e\u5b9a\u7fa9 \ud83c\udff7\ufe0f<\/h2>\n<p>\u5c5e\u6027\u306f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u8aac\u660e\u3059\u308b\u6027\u8cea\u3067\u3059\u3002\u8a73\u7d30\u3092\u57cb\u3081\u307e\u3059\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u7bb1\u3060\u3068\u3059\u308c\u3070\u3001\u5c5e\u6027\u306f\u305d\u306e\u7bb1\u306e\u30e9\u30d9\u30eb\u3067\u3059\u3002<\/p>\n<h3>\u5c5e\u6027\u306e\u5206\u985e<\/h3>\n<p>\u5c5e\u6027\u306f\u8ad6\u7406\u7684\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u3079\u304d\u3067\u3059\u3002\u4e00\u90e8\u306f\u5fc5\u9808\u3001\u4e00\u90e8\u306f\u4efb\u610f\u3001\u4e00\u90e8\u306f\u5c0e\u51fa\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5fc5\u9808\u5c5e\u6027\uff1a<\/strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u6709\u52b9\u3067\u3042\u308b\u305f\u3081\u306b\u5b58\u5728\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u30c7\u30fc\u30bf\u3002\uff08\u4f8b\uff1a<em>\u6ce8\u6587\u65e5<\/em>\u6ce8\u6587\u306e\u305f\u3081\u306e\u3082\u306e\uff09\u3002<\/li>\n<li><strong>\u4efb\u610f\u5c5e\u6027\uff1a<\/strong>\u5b58\u5728\u3059\u308b\u5834\u5408\u3082\u3042\u308c\u3070\u3001\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3082\u3042\u308b\u30c7\u30fc\u30bf\u3002\uff08\u4f8b\uff1a<em>\u88dc\u8db3\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/em>\u30e6\u30fc\u30b6\u30fc\u306e\u305f\u3081\u306e\u3082\u306e\uff09\u3002<\/li>\n<li><strong>\u5c0e\u51fa\u5c5e\u6027\uff1a<\/strong> \u4ed6\u306e\u5c5e\u6027\u304b\u3089\u8a08\u7b97\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3002 (\u4f8b\uff1a<em>\u5e74\u9f62<\/em> \u304b\u3089\u5c0e\u51fa\u3055\u308c\u308b<em>\u751f\u5e74\u6708\u65e5<\/em>) \u901a\u5e38\u3001\u66f4\u65b0\u306e\u4e0d\u6574\u5408\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u7269\u7406\u7684\u306b\u4fdd\u5b58\u3055\u308c\u307e\u305b\u3093\u304c\u3001\u30e2\u30c7\u30eb\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u30c7\u30fc\u30bf\u578b\u306e\u9078\u629e<\/h3>\n<p>ERD\u306f\u6982\u5ff5\u7684\u306a\u3082\u306e\u3067\u3059\u304c\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u578b\u306b\u3064\u3044\u3066\u8003\u3048\u308b\u3053\u3068\u3067\u5c06\u6765\u306e\u30a8\u30e9\u30fc\u3092\u9632\u3052\u307e\u3059\u3002\u578b\u306e\u4e0d\u4e00\u81f4\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3084\u30c7\u30fc\u30bf\u640d\u5931\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5c5e\u6027\u306e\u6982\u5ff5<\/th>\n<th>\u63a8\u5968\u3055\u308c\u308b\u578b<\/th>\n<th>\u7406\u7531<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u540d\u524d\u3001\u4f4f\u6240<\/td>\n<td>VARCHAR \/ \u30c6\u30ad\u30b9\u30c8<\/td>\n<td>\u53ef\u5909\u9577\u3067\u3001\u6570\u5024\u4ee5\u5916\u306e\u6587\u5b57\u3092\u542b\u3080\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6570\u5024\u3001\u4fa1\u683c<\/td>\n<td>\u6574\u6570 \/ \u5c0f\u6570<\/td>\n<td>\u6570\u5b66\u7684\u6f14\u7b97\u3001\u7cbe\u5ea6\u306e\u8981\u4ef6\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u65e5\u4ed8\u3001\u6642\u523b<\/td>\n<td>\u65e5\u4ed8 \/ \u65e5\u6642<\/td>\n<td>\u4e26\u3079\u66ff\u3048\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u671f\u9593\u8a08\u7b97\u304c\u53ef\u80fd\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30a4\u30a8\u30b9\/\u30ce\u30fc\u306e\u30d5\u30e9\u30b0<\/td>\n<td>\u8ad6\u7406\u578b\uff08Boolean\uff09<\/td>\n<td>\u771f\u507d\u306e\u72b6\u614b\u3092\u660e\u78ba\u306b\u8868\u73fe\u3067\u304d\u308b\u8ad6\u7406\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5927\u898f\u6a21\u306a\u6587\u66f8<\/td>\n<td>BLOB \/ \u30d5\u30a1\u30a4\u30eb\u53c2\u7167<\/td>\n<td>\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u304b\u3001\u5916\u90e8\u30b9\u30c8\u30ec\u30fc\u30b8\u3078\u306e\u30ea\u30f3\u30af\u3092\u4fdd\u6301\u3059\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u5c5e\u6027\u306e\u6b63\u898f\u5316<\/h3>\n<p>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u7dda\u3092\u5f15\u304f\u524d\u306b\u3001\u5c5e\u6027\u304c\u539f\u5b50\u7684\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5c5e\u6027\u306f1\u3064\u306e\u5024\u3057\u304b\u4fdd\u6301\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u300c<code>\u96fb\u8a71\u756a\u53f7_1\u3001\u96fb\u8a71\u756a\u53f7_2\u3001\u96fb\u8a71\u756a\u53f7_3<\/code>\u300d\u306e\u3088\u3046\u306b1\u3064\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u8907\u6570\u306e\u96fb\u8a71\u756a\u53f7\u3092\u4fdd\u5b58\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u4ee3\u308f\u308a\u306b\u3001<em>\u9023\u7d61\u5148\u60c5\u5831<\/em> \u306f \u306b\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u307e\u3059<em>\u9867\u5ba2<\/em>.<\/p>\n<ul>\n<li><strong>\u306a\u305c\u30a2\u30c8\u30df\u30c3\u30af\u306a\u306e\u304b\uff1f<\/strong> \u30af\u30a8\u30ea\u3092\u7c21\u7d20\u5316\u3057\u307e\u3059\u3002\u96fb\u8a71\u756a\u53f7\u304c\u9023\u7d50\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u7279\u5b9a\u306e\u96fb\u8a71\u756a\u53f7\u3092\u691c\u7d22\u3059\u308b\u3053\u3068\u306f\u4e0d\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li><strong>\u67d4\u8edf\u6027\uff1a<\/strong> \u9867\u5ba2\u304c2\u3064\u76ee\u306e\u96fb\u8a71\u756a\u53f7\u3092\u53d6\u5f97\u3057\u305f\u5834\u5408\u3001\u5225\u500b\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u3088\u308a\u3001\u30b9\u30ad\u30fc\u30de\u3092\u5909\u66f4\u305b\u305a\u306b\u7121\u9650\u306b\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>4. \u95a2\u4fc2\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3068\u57fa\u6570 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\u304b\u3089 <em>\u5f93\u696d\u54e1\u30d0\u30c3\u30b8<\/em>.<\/li>\n<li><strong>1\u5bfe\u591a\uff081:N\uff09\uff1a<\/strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3A\u306e1\u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3B\u306e\u591a\u6570\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u304c\u3001B\u306fA\u306b\u5bfe\u3057\u30661\u3064\u3060\u3051\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\uff1a<em>\u8457\u8005<\/em> \u304b\u3089 <em>\u66f8\u7c4d<\/em>.<\/li>\n<li><strong>\u591a\u5bfe\u591a\uff08M:N\uff09\uff1a<\/strong>A\u306e\u591a\u6570\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u3001B\u306e\u591a\u6570\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\uff1a<em>\u5b66\u751f<\/em> \u304b\u3089 <em>\u30af\u30e9\u30b9<\/em>. \u6ce8\u610f: \u7269\u7406\u7684\u306a\u5b9f\u88c5\u3067\u306f\u3001\u3053\u308c often \u4e2d\u9593\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u7d50\u5408\u30c6\u30fc\u30d6\u30eb\uff09\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002<\/li>\n<\/ul>\n<h3>\u57fa\u6570\u3068\u30e2\u30c0\u30ea\u30c6\u30a3<\/h3>\n<p>\u57fa\u6570\u306f\u6570\u3092\u5b9a\u7fa9\u3059\u308b\uff081\u3001\u8907\u6570\uff09\u3002\u30e2\u30c0\u30ea\u30c6\u30a3\u306f\u5fc5\u9808\u6027\u3092\u5b9a\u7fa9\u3059\u308b\uff08\u5fc5\u9808\u3001\u4efb\u610f\uff09\u3002\u3053\u308c\u3089\u3092\u53ef\u8996\u5316\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30bc\u30ed\u307e\u305f\u306f\u4e00\u3064\uff1a<\/strong> \u3053\u306e\u95a2\u4fc2\u306f\u4efb\u610f\u3067\u3042\u308a\u3001\u4e00\u3064\u307e\u3067\u3057\u304b\u8a31\u53ef\u3055\u308c\u306a\u3044\u3002<\/li>\n<li><strong>\u4e00\u3064\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\uff1a<\/strong> \u3053\u306e\u95a2\u4fc2\u306f\u5fc5\u9808\u3067\u3042\u308a\u3001\u4e00\u3064\u307e\u3067\u3057\u304b\u8a31\u53ef\u3055\u308c\u306a\u3044\u3002<\/li>\n<li><strong>\u30bc\u30ed\u307e\u305f\u306f\u8907\u6570\uff1a<\/strong> \u3053\u306e\u95a2\u4fc2\u306f\u4efb\u610f\u3067\u3042\u308a\u3001\u8907\u6570\u304c\u8a31\u53ef\u3055\u308c\u308b\u3002<\/li>\n<li><strong>\u4e00\u3064\u307e\u305f\u306f\u8907\u6570\uff1a<\/strong> \u3053\u306e\u95a2\u4fc2\u306f\u5fc5\u9808\u3067\u3042\u308a\u3001\u8907\u6570\u304c\u8a31\u53ef\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u306e\u95a2\u4fc2\u3092\u691c\u8a0e\u3059\u308b\uff1a<strong>\u6ce8\u6587<\/strong> \u304a\u3088\u3073 <strong>\u9867\u5ba2<\/strong> 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<em>\u30b3\u30fc\u30b9ID<\/em>\u3001\u304a\u3088\u3073<em>\u5b66\u751f\u540d<\/em>\u3001\u305d\u306e<em>\u5b66\u751f\u540d<\/em>\u306f\u3001\u305f\u3060\u305d\u306e<em>\u5b66\u751fID<\/em>\u306b\u4f9d\u5b58\u3059\u308b\u3060\u3051\u3067\u3042\u308a\u3001\u7d44\u307f\u5408\u308f\u305b\u3067\u306f\u306a\u3044\u3002<em>\u5b66\u751f\u540d<\/em>\u3092<em>\u5b66\u751f<\/em>\u30c6\u30fc\u30d6\u30eb\u306b\u79fb\u52d5\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>\u7b2c\u4e09\u6b63\u898f\u5f62\uff083NF\uff09<\/h3>\n<p>\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u304c\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u975e\u30ad\u30fc\u5c5e\u6027\u306f\u3001\u4ed6\u306e\u975e\u30ad\u30fc\u5c5e\u6027\u306b\u4f9d\u5b58\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002<\/p>\n<ul>\n<li><strong>\u4f8b\uff1a<\/strong>\u3082\u3057<em>\u90fd\u5e02<\/em>\u306b\u4f9d\u5b58\u3059\u308b\u5834\u5408\u3001<em>\u90f5\u4fbf\u756a\u53f7<\/em>\u3001\u304a\u3088\u3073<em>\u90f5\u4fbf\u756a\u53f7<\/em>\u304c<em>\u9867\u5ba2<\/em>\u30c6\u30fc\u30d6\u30eb\u306b\u3042\u308b\u5834\u5408\u3001<em>\u90f5\u4fbf\u756a\u53f7<\/em>\u304a\u3088\u3073<em>\u90fd\u5e02<\/em>\u3092<em>\u5834\u6240<\/em> 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