{"id":1424,"date":"2026-03-27T21:53:43","date_gmt":"2026-03-27T21:53:43","guid":{"rendered":"https:\/\/www.viz-read.com\/ja\/erd-business-logic-requirements-data\/"},"modified":"2026-03-27T21:53:43","modified_gmt":"2026-03-27T21:53:43","slug":"erd-business-logic-requirements-data","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/ja\/erd-business-logic-requirements-data\/","title":{"rendered":"ERD\u3068\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\uff1a\u8981\u4ef6\u3068\u30c7\u30fc\u30bf\u306e\u9593\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b"},"content":{"rendered":"<p>\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u8a2d\u8a08\u3059\u308b\u306b\u306f\u3001\u7bb1\u3068\u7dda\u3092\u63cf\u304f\u3053\u3068\u4ee5\u4e0a\u306e\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u60c5\u5831\u304c\u7d44\u7e54\u5185\u3067\u3069\u306e\u3088\u3046\u306b\u6d41\u308c\u3001\u305d\u306e\u6d41\u308c\u304c\u30eb\u30fc\u30eb\u306b\u3088\u3063\u3066\u3069\u306e\u3088\u3046\u306b\u7ba1\u7406\u3055\u308c\u308b\u304b\u3092\u6df1\u304f\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u306f\u69cb\u9020\u7684\u306a\u30d6\u30eb\u30fc\u30d7\u30ea\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u304c\u30b7\u30b9\u30c6\u30e0\u306e\u632f\u308b\u821e\u3044\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e2\u3064\u306e\u8981\u7d20\u304c\u4e56\u96e2\u3059\u308b\u3068\u3001\u73fe\u5b9f\u306e\u30cb\u30fc\u30ba\u306b\u9069\u5fdc\u3067\u304d\u305a\u3001\u8106\u5f31\u306a\u30b7\u30b9\u30c6\u30e0\u304c\u751f\u307e\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u3068\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306e\u91cd\u8981\u306a\u4ea4\u5dee\u70b9\u3092\u691c\u8a0e\u3057\u3001\u30b9\u30ad\u30fc\u30de\u304c\u8981\u4ef6\u3092\u52b9\u679c\u7684\u306b\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u6226\u7565\u3092\u63d0\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u8ab2\u984c\u306f\u3001\u300e\u30e6\u30fc\u30b6\u30fc\u306f\u5728\u5eab\u3088\u308a\u591a\u304f\u6ce8\u6587\u3067\u304d\u306a\u3044\u300f\u3068\u3044\u3063\u305f\u62bd\u8c61\u7684\u306a\u6982\u5ff5\u3092\u3001\u5177\u4f53\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u69cb\u9020\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u30e2\u30c7\u30eb\u304c\u30eb\u30fc\u30eb\u3092\u53cd\u6620\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u304c\u640d\u306a\u308f\u308c\u307e\u3059\u3002\u4e00\u65b9\u3001\u30eb\u30fc\u30eb\u304c\u3084\u308a\u3059\u304e\u308b\u3068\u3001\u30d3\u30b8\u30cd\u30b9\u306e\u67d4\u8edf\u6027\u304c\u5931\u308f\u308c\u307e\u3059\u3002\u6574\u5408\u6027\u3092\u4fdd\u3061\u3064\u3064\u904b\u7528\u3092\u5236\u9650\u3057\u306a\u3044\u30d0\u30e9\u30f3\u30b9\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u30b3\u30a2\u3068\u306a\u308b\u8981\u7d20\u3092\u691c\u8a0e\u3057\u3001\u305d\u308c\u3089\u3092\u3069\u306e\u3088\u3046\u306b\u4e00\u81f4\u3055\u305b\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Kawaii-style infographic illustrating the relationship between Entity-Relationship Diagrams and business logic for data architecture, featuring cute mascot characters ERD-chan and Logic-kun bridging a gap, with visual sections covering core components (entities, attributes, relationships, constraints), business logic layers (application, database, workflow), common friction points, three alignment strategies, a simplified mapping reference table, constraint types as a safety net, and collaboration best practices, all in soft pastel colors with rounded icons, decorative sparkles, and clear English labels on a 16:9 canvas\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/erd-business-logic-kawaii-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\u30b3\u30a2\u3068\u306a\u308b\u8981\u7d20\u306e\u7406\u89e3 \ud83c\udfd7\ufe0f<\/h2>\n<p>\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u305f\u3081\u306b\u306f\u3001\u307e\u305a\u4f55\u3092\u6271\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u660e\u78ba\u306b\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u65b9\u7a0b\u5f0f\u306e\u4e21\u5074\u306b\u306f\u3001\u4e92\u3044\u306e\u3084\u308a\u53d6\u308a\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u7279\u5fb4\u304c\u3042\u308b\u306e\u3067\u3059\u3002<\/p>\n<h3>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09<\/h3>\n<p>ERD\u306f\u30c7\u30fc\u30bf\u306e\u9759\u7684\u69cb\u9020\u3092\u8868\u3057\u307e\u3059\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u30c6\u30fc\u30d6\u30eb\uff09\u3001\u5c5e\u6027\uff08\u5217\uff09\u3001\u95a2\u4fc2\uff08\u5916\u90e8\u30ad\u30fc\uff09\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u4e3b\u306a\u76ee\u7684\u306f\u6b63\u898f\u5316\u3068\u6574\u5408\u6027\u3067\u3059\u3002\u300e\u3069\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\uff1f\u300f\u3068\u3044\u3046\u554f\u3044\u306b\u7b54\u3048\u307e\u3059\u3002\u4e3b\u306a\u8981\u7d20\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a<\/strong> \u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u672c\u7684\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3001\u4f8b\u3048\u3070<em>\u9867\u5ba2<\/em>, <em>\u6ce8\u6587<\/em>\u3001\u307e\u305f\u306f<em>\u88fd\u54c1<\/em>.<\/li>\n<li><strong>\u5c5e\u6027\uff1a<\/strong> \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u8a18\u8ff0\u3059\u308b\u6027\u8cea\u3067\u3001\u4f8b\u3048\u3070<em>\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/em>, <em>\u4fa1\u683c<\/em>\u3001\u307e\u305f\u306f<em>\u30b9\u30c6\u30fc\u30bf\u30b9<\/em>.<\/li>\n<li><strong>\u95a2\u4fc2\uff1a<\/strong> \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u3069\u306e\u3088\u3046\u306b\u63a5\u7d9a\u3055\u308c\u308b\u304b\u3092\u793a\u3057\u3001\u901a\u5e38\u306f\u4e3b\u30ad\u30fc\u3068\u5916\u90e8\u30ad\u30fc\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u57fa\u6570\uff081\u5bfe1\u30011\u5bfe\u591a\uff09\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u5236\u7d04\uff1a<\/strong> \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ec\u30d9\u30eb\u3067\u5f37\u5236\u3055\u308c\u308b\u30eb\u30fc\u30eb\u3067\u3001\u4f8b\u3048\u3070<code>NOT NULL<\/code>, <code>UNIQUE<\/code>\u3001\u307e\u305f\u306f<code>\u30c1\u30a7\u30c3\u30af<\/code>.<\/li>\n<\/ul>\n<p>\u5f37\u529b\u3067\u306f\u3042\u308b\u304c\u3001ERD\u306f\u3057\u3070\u3057\u3070\u53d7\u52d5\u7684\u3067\u3042\u308b\u3002\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u304c\u3001\u672c\u8cea\u7684\u306b\u51e6\u7406\u306f\u884c\u308f\u306a\u3044\u3002\u305d\u308c\u306f\u5bb9\u5668\u3067\u3042\u308a\u3001\u99c6\u52d5\u529b\u3067\u306f\u306a\u3044\u3002<\/p>\n<h3>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af<\/h3>\n<p>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3068\u306f\u3001\u30c7\u30fc\u30bf\u306e\u4f5c\u6210\u3001\u5909\u66f4\u3001\u4f7f\u7528\u3092\u898f\u5b9a\u3059\u308b\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30eb\u30fc\u30eb\u3092\u8868\u3059\u3002\u3053\u306e\u554f\u3044\u306b\u7b54\u3048\u308b\uff1a\u300c\u3053\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u3001\u6211\u3005\u306f\u3069\u306e\u3088\u3046\u306a\u64cd\u4f5c\u3092\u8a31\u53ef\u3055\u308c\u3066\u3044\u308b\u304b\uff1f\u300d\u3053\u306e\u30ed\u30b8\u30c3\u30af\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30ec\u30a4\u30e4\u30fc\u306b\u5b58\u5728\u3057\u3046\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30a4\u30e4\u30fc\uff1a<\/strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u524d\u306b\u3001\u5165\u529b\u3092\u691c\u8a3c\u3059\u308b\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u307e\u305f\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u30b3\u30fc\u30c9\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ec\u30a4\u30e4\u30fc\uff1a<\/strong>\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u3001\u30c8\u30ea\u30ac\u30fc\u3001\u5236\u7d04\u306a\u3069\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u5185\u306b\u76f4\u63a5\u30eb\u30fc\u30eb\u3092\u5f37\u5236\u3059\u308b\u3082\u306e\u3002<\/li>\n<li><strong>\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u30ec\u30a4\u30e4\u30fc\uff1a<\/strong>\u30bf\u30b9\u30af\u3092\u5b8c\u4e86\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30a4\u30d9\u30f3\u30c8\u306e\u9806\u5e8f\u3002\u627f\u8a8d\u30c1\u30a7\u30fc\u30f3\u3084\u30b9\u30c6\u30fc\u30bf\u30b9\u9077\u79fb\u306a\u3069\u304c\u8a72\u5f53\u3059\u308b\u3002<\/li>\n<\/ul>\n<p>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u304c\u30c7\u30fc\u30bf\u69cb\u9020\u304b\u3089\u96e2\u308c\u3059\u304e\u308b\u3068\u3001\u4e0d\u6574\u5408\u304c\u751f\u3058\u308b\u3002\u305f\u3068\u3048\u3070\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u8ca0\u306e\u6570\u91cf\u306e\u5165\u529b\u3092\u8a31\u53ef\u3059\u308b\u304c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5236\u7d04\u304c\u305d\u308c\u3092\u963b\u6b62\u3059\u308b\u5834\u5408\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u304c\u7834\u7dbb\u3059\u308b\u3002\u9006\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u8ca0\u306e\u6570\u91cf\u3092\u8a31\u53ef\u3059\u308b\u304c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u305d\u308c\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u5834\u5408\u3001\u30ed\u30b8\u30c3\u30af\u304c\u91cd\u8907\u3057\u3001\u30a8\u30e9\u30fc\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308b\u3002<\/p>\n<h2>\u6469\u64e6\u30dd\u30a4\u30f3\u30c8\uff1a\u30ae\u30e3\u30c3\u30d7\u304c\u751f\u3058\u308b\u7406\u7531 \ud83d\udcc9<\/h2>\n<p>\u958b\u767a\u8005\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u306f\u3057\u3070\u3057\u3070\u7570\u306a\u308b\u8a00\u8a9e\u3092\u8a71\u3059\u3002\u6280\u8853\u30c1\u30fc\u30e0\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6574\u5408\u6027\u306b\u6ce8\u529b\u3059\u308b\u304c\u3001\u30d3\u30b8\u30cd\u30b9\u5074\u306f\u6a5f\u80fd\u6027\u3068\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306b\u6ce8\u529b\u3059\u308b\u3002\u3053\u306e\u4e56\u96e2\u304c\u3001\u3044\u304f\u3064\u304b\u306e\u5171\u901a\u3059\u308b\u6469\u64e6\u30dd\u30a4\u30f3\u30c8\u3092\u751f\u3058\u308b\u3002<\/p>\n<ul>\n<li><strong>\u904e\u5270\u6b63\u898f\u5316\uff1a<\/strong>\u6b63\u898f\u5316\u30eb\u30fc\u30eb\u3078\u306e\u53b3\u683c\u306a\u5f93\u3044\u306f\u3001\u8907\u96d1\u306a\u30d3\u30b8\u30cd\u30b9\u30af\u30a8\u30ea\u3092\u96e3\u3057\u304f\u3059\u308b\u3002\u975e\u5e38\u306b\u6b63\u898f\u5316\u3055\u308c\u305f\u30b9\u30ad\u30fc\u30de\u3067\u306f\u3001\u7279\u5b9a\u306e\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u591a\u304f\u306e\u7d50\u5408\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u304c\u9045\u5ef6\u3059\u308b\u3002<\/li>\n<li><strong>\u30cf\u30fc\u30c9\u30b3\u30fc\u30c9\u3055\u308c\u305f\u30eb\u30fc\u30eb\uff1a<\/strong>\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9\u306b\u76f4\u63a5\u57cb\u3081\u8fbc\u3080\u3068\u3001\u30c7\u30fc\u30bf\u30ec\u30a4\u30e4\u30fc\u304b\u3089\u306f\u898b\u3048\u306a\u304f\u306a\u308b\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u9759\u304b\u306b\u5931\u6557\u3059\u308b\u304b\u3001\u4e00\u8cab\u6027\u306e\u306a\u3044\u30c7\u30fc\u30bf\u3092\u8fd4\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n<li><strong>\u30b9\u30c6\u30fc\u30c8\u7ba1\u7406\uff1a<\/strong>ERD\u306f\u8907\u96d1\u306a\u30b9\u30c6\u30fc\u30c8\u30de\u30b7\u30f3\uff08\u4f8b\uff1a\u300c\u4fdd\u7559\u4e2d\u300d\u3001\u300c\u51fa\u8377\u6e08\u307f\u300d\u3001\u300c\u8fd4\u91d1\u6e08\u307f\u300d\u306a\u3069\u306e\u6ce8\u6587\u30b9\u30c6\u30fc\u30bf\u30b9\uff09\u306b\u5bfe\u51e6\u3057\u3065\u3089\u3044\u3053\u3068\u304c\u591a\u3044\u3002\u3053\u308c\u3089\u306e\u30b9\u30c6\u30fc\u30c8\u3092\u5358\u7d14\u306a\u30ab\u30e9\u30e0\u3068\u3057\u3066\u8868\u73fe\u3059\u308b\u3068\u3001\u30ed\u30b8\u30c3\u30af\u304c\u5f37\u5236\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u5b64\u7acb\u3057\u305f\u30b9\u30c6\u30fc\u30c8\u304c\u767a\u751f\u3059\u308b\u3002<\/li>\n<li><strong>\u691c\u8a3c\u30bf\u30a4\u30df\u30f3\u30b0\uff1a<\/strong>\u691c\u8a3c\u304c\u4fdd\u5b58\u306e\u524d\u304b\u5f8c\u306b\u767a\u751f\u3059\u308b\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u306f\u91cd\u8981\u3067\u3042\u308b\u3002\u65e9\u671f\u306e\u691c\u8a3c\u306f\u8ca0\u8377\u3092\u8efd\u6e1b\u3059\u308b\u304c\u3001\u9045\u3044\u691c\u8a3c\u306f\u6700\u65b0\u306e\u30c7\u30fc\u30bf\u304c\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u70b9\u304c\u7121\u8996\u3055\u308c\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u4e00\u6642\u7684\u306a\u5bfe\u51e6\u7b56\u306e\u5bc4\u305b\u96c6\u3081\u306b\u306a\u308b\u3002\u958b\u767a\u8005\u306f\u5236\u7d04\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u4e00\u6642\u7684\u306a\u4fee\u6b63\u3092\u52a0\u3048\u3001\u6280\u8853\u7684\u8ca0\u50b5\u304c\u84c4\u7a4d\u3059\u308b\u3002\u30c7\u30fc\u30bf\u306f\u4fe1\u983c\u3067\u304d\u306a\u304f\u306a\u308a\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306f\u8106\u304f\u306a\u308b\u3002<\/p>\n<h2>\u6574\u5408\u306e\u305f\u3081\u306e\u6226\u7565 \ud83e\udd1d<\/h2>\n<p>\u3053\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u306b\u306f\u610f\u56f3\u7684\u306a\u8a2d\u8a08\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u30b9\u30ad\u30fc\u30de\u3092\u30d3\u30b8\u30cd\u30b9\u8981\u4ef6\u3068\u3068\u3082\u306b\u9032\u5316\u3059\u308b\u52d5\u7684\u306a\u6587\u66f8\u3068\u3057\u3066\u6271\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u3068\u30ed\u30b8\u30c3\u30af\u3092\u4e00\u81f4\u3055\u305b\u308b\u305f\u3081\u306e\u691c\u8a3c\u6e08\u307f\u6226\u7565\u3092\u4ee5\u4e0b\u306b\u793a\u3059\u3002<\/p>\n<h3>1. \u5236\u7d04\u3092\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3068\u3057\u3066\u30e2\u30c7\u30eb\u5316\u3059\u308b<\/h3>\n<p>\u7121\u52b9\u306a\u30c7\u30fc\u30bf\u3092\u9632\u6b62\u3059\u308b\u3059\u3079\u3066\u306e\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306b\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5236\u7d04\u3092\u8a2d\u3051\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b3\u30fc\u30c9\u306b\u306e\u307f\u4f9d\u5b58\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u304cAPI\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u307e\u305f\u306f\u76f4\u63a5\u30a4\u30f3\u30dd\u30fc\u30c8\u304b\u3089\u6765\u3066\u3082\u3001\u30eb\u30fc\u30eb\u304c\u7dad\u6301\u3055\u308c\u308b\u3002<\/p>\n<ul>\n<li><strong>\u4e00\u610f\u6027\uff1a<\/strong>\u30e6\u30fc\u30b6\u30fc\u540d\u304c\u4e00\u610f\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u5834\u5408\u3001\u30ab\u30e9\u30e0\u30ec\u30d9\u30eb\u3067\u305d\u308c\u3092\u5f37\u5236\u3059\u308b\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u6700\u521d\u306b\u30c1\u30a7\u30c3\u30af\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3001\u7af6\u5408\u72b6\u614b\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u7bc4\u56f2\u30c1\u30a7\u30c3\u30af\uff1a<\/strong> \u5272\u5f15\u304c100\uff05\u3092\u8d85\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u5834\u5408\u3001<code>CHECK<\/code> \u5236\u7d04\u3092\u4f7f\u7528\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e00\u62ec\u66f4\u65b0\u306b\u3088\u308b\u8aa4\u3063\u305f\u30c7\u30fc\u30bf\u640d\u50b7\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<li><strong>\u53c2\u7167\u6574\u5408\u6027\uff1a<\/strong> Order\u304c\u5e38\u306b\u6709\u52b9\u306a\u9867\u5ba2\u306b\u5c5e\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u5916\u90e8\u30ad\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3002\u9867\u5ba2\u304c\u524a\u9664\u3055\u308c\u305f\u5834\u5408\u3001\u30d3\u30b8\u30cd\u30b9\u4e0a\u306e\u8981\u4ef6\u306b\u57fa\u3065\u3044\u3066\u3001\u6ce8\u6587\u3092\u4fdd\u6301\u3059\u308b\uff08\u30bd\u30d5\u30c8\u524a\u9664\uff09\u304b\u3001\u524a\u9664\u3059\u308b\uff08\u30ab\u30b9\u30b1\u30fc\u30c9\u524a\u9664\uff09\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>2. \u30ed\u30b8\u30c3\u30af\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u306e\u975e\u6b63\u898f\u5316<\/h3>\n<p>\u6b63\u898f\u5316\u306f\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u306f\u826f\u3044\u304c\u3001\u5fc5\u305a\u3057\u3082\u30ed\u30b8\u30c3\u30af\u306b\u306f\u826f\u3044\u3068\u306f\u9650\u3089\u306a\u3044\u3002\u8907\u96d1\u306a\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306f\u3001\u8907\u6570\u306e\u30bd\u30fc\u30b9\u304b\u3089\u306e\u30c7\u30fc\u30bf\u3092\u96c6\u7d04\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u30ed\u30b8\u30c3\u30af\u304c\u8aad\u307f\u53d6\u308a\u4e2d\u5fc3\u306e\u5834\u5408\u3001\u7279\u5b9a\u306e\u5c5e\u6027\u3092\u975e\u6b63\u898f\u5316\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u5408\u8a08\uff1a<\/strong> \u5408\u8a08\u304c\u5fc5\u8981\u306b\u306a\u308b\u305f\u3073\u306b\u660e\u7d30\u9805\u76ee\u3092\u5408\u8a08\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001<em>total_amount<\/em> Order\u30c6\u30fc\u30d6\u30eb\u306b\u4fdd\u5b58\u3059\u308b\u3002\u660e\u7d30\u9805\u76ee\u304c\u5909\u66f4\u3055\u308c\u308b\u305f\u3073\u306b\u3053\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u66f4\u65b0\u3059\u308b\u3002<\/li>\n<li><strong>\u30b9\u30c6\u30fc\u30bf\u30b9\u30d5\u30e9\u30b0\uff1a<\/strong> \u30e6\u30fc\u30b6\u30fc\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u304c\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u6c7a\u5b9a\u3059\u308b\u5834\u5408\u3001\u5c65\u6b74\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30ab\u30e9\u30e0\u306b\u4fdd\u5b58\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6a29\u9650\u3092\u78ba\u8a8d\u3059\u308b\u30ed\u30b8\u30c3\u30af\u306e\u51e6\u7406\u901f\u5ea6\u304c\u5411\u4e0a\u3059\u308b\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u3092\u72a0\u7272\u306b\u3057\u3066\u30af\u30a8\u30ea\u901f\u5ea6\u3068\u30ed\u30b8\u30c3\u30af\u306e\u7c21\u6f54\u3055\u3092\u7372\u5f97\u3059\u308b\u3002\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u640d\u306a\u308f\u306a\u3044\u3088\u3046\u306b\u3001\u6ce8\u610f\u6df1\u304f\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<h3>3. \u660e\u793a\u7684\u306a\u72b6\u614b\u8868\u73fe<\/h3>\n<p>\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306b\u304a\u3044\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u72b6\u614b\u3092\u660e\u793a\u7684\u306b\u53cd\u6620\u3059\u3079\u304d\u3067\u3042\u308b\u3002\u5236\u7d04\u4ed8\u304d\u306e\u5024\u306e\u30bb\u30c3\u30c8\u3092\u6301\u3064\u5c02\u7528\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30ab\u30e9\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3002\u72b6\u614b\u306b\u81ea\u7531\u5165\u529b\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4f7f\u7528\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5217\u6319\u5024\uff1a<\/strong> \u8a31\u53ef\u3055\u308c\u305f\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u660e\u78ba\u306b\u5b9a\u7fa9\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210\u3084\u30ed\u30b8\u30c3\u30af\u51e6\u7406\u304c\u5bb9\u6613\u306b\u306a\u308b\u3002<\/li>\n<li><strong>\u9077\u79fb\u30c6\u30fc\u30d6\u30eb\uff1a<\/strong> \u8907\u96d1\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3067\u306f\u3001\u5c65\u6b74\u3092\u8ffd\u8de1\u3059\u308b\u305f\u3081\u306b\u7d50\u5408\u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u73fe\u5728\u306e\u72b6\u614b\u306b\u81f3\u308b\u307e\u3067\u306e\u30ed\u30b8\u30c3\u30af\u306e\u7d4c\u8def\u3092\u518d\u69cb\u6210\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<h2>\u30ed\u30b8\u30c3\u30af\u3092\u30b9\u30ad\u30fc\u30de\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\uff1a\u5b9f\u7528\u7684\u306a\u30c6\u30fc\u30d6\u30eb \ud83d\udcca<\/h2>\n<p>\u62bd\u8c61\u7684\u306a\u30eb\u30fc\u30eb\u304c\u5177\u4f53\u7684\u306a\u69cb\u9020\u306b\u3069\u306e\u3088\u3046\u306b\u5909\u63db\u3055\u308c\u308b\u304b\u3092\u53ef\u8996\u5316\u3059\u308b\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306f\u3001\u4e00\u822c\u7684\u306a\u30d3\u30b8\u30cd\u30b9\u8981\u4ef6\u3068\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u3092\u793a\u3057\u3066\u3044\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30d3\u30b8\u30cd\u30b9\u8981\u4ef6<\/th>\n<th>\u8ad6\u7406\u7684\u542b\u610f<\/th>\n<th>\u30b9\u30ad\u30fc\u30de\u5b9f\u88c5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30e6\u30fc\u30b6\u30fc\u306f1\u3064\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3057\u304b\u6301\u3066\u306a\u3044<\/td>\n<td>\u30a2\u30af\u30c6\u30a3\u30d6\u72b6\u614b\u306b\u5bfe\u3059\u308b\u4e00\u610f\u6027\u5236\u7d04<\/td>\n<td><code>UNIQUE (user_id, status)<\/code> \u305f\u3060\u3057status = \u2018active\u2019\u306e\u5834\u5408<\/td>\n<\/tr>\n<tr>\n<td>\u5728\u5eab\u306f\u30bc\u30ed\u4ee5\u4e0b\u306b\u306f\u306a\u308a\u307e\u305b\u3093<\/td>\n<td>\u66f8\u304d\u8fbc\u307f\u6642\u306e\u691c\u8a3c<\/td>\n<td><code>CHECK (\u6570\u91cf &gt;= 0)<\/code>\u307e\u305f\u306f\u30c8\u30ea\u30ac\u30fc\u8ad6\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u6ce8\u6587\u306f\u65e2\u5b58\u306e\u9867\u5ba2\u306b\u5c5e\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/td>\n<td>\u53c2\u7167\u6574\u5408\u6027<\/td>\n<td><code>FOREIGN KEY (customer_id) REFERENCES Customers(id)<\/code><\/td>\n<\/tr>\n<tr>\n<td>\u5272\u5f15\u306f\u500b\u5225\u30a2\u30a4\u30c6\u30e0\u3054\u3068\u306b\u8a08\u7b97\u3055\u308c\u307e\u3059<\/td>\n<td>\u975e\u6b63\u898f\u5316\u30b9\u30c8\u30ec\u30fc\u30b8<\/td>\n<td>\u4fdd\u5b58\u3059\u308b <code>\u5272\u5f15\u4fa1\u683c<\/code>OrderItem\u306b\u4fdd\u5b58\u3057\u3001\u5909\u66f4\u6642\u306b\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>\u30ed\u30b0\u306f5\u5e74\u9593\u4fdd\u6301\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093<\/td>\n<td>\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406<\/td>\n<td><code>\u4f5c\u6210\u65e5\u6642<\/code>\u30ab\u30e9\u30e0 + \u30a2\u30fc\u30ab\u30a4\u30d6\u7528\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b8\u30e7\u30d6<\/td>\n<\/tr>\n<tr>\n<td>\u30ed\u30fc\u30eb\u306f\u6a5f\u80fd\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u6c7a\u5b9a\u3057\u307e\u3059<\/td>\n<td>\u95a2\u9023\u30de\u30c3\u30d4\u30f3\u30b0<\/td>\n<td>\u7d50\u5408\u30c6\u30fc\u30d6\u30eb <code>\u30ed\u30fc\u30eb\u6a29\u9650<\/code>\u30e6\u30fc\u30b6\u30fc\u3068\u6a5f\u80fd\u3092\u30ea\u30f3\u30af\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3053\u306e\u30de\u30c3\u30d4\u30f3\u30b0\u306b\u3088\u308a\u3001\u3059\u3079\u3066\u306e\u30eb\u30fc\u30eb\u304c\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u5185\u306b\u660e\u78ba\u306a\u4f4d\u7f6e\u3092\u6301\u3064\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ed\u30b8\u30c3\u30af\u304c\u30b3\u30fc\u30c9\u5185\u306b\u306e\u307f\u5b58\u5728\u3057\u3001\u30c7\u30fc\u30bf\u304c\u8106\u5f31\u306a\u72b6\u614b\u306b\u306a\u308b\u306e\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n<h2>\u691c\u8a3c\u3068\u5236\u7d04\uff1a\u5b89\u5168\u7db2 \ud83d\udee1\ufe0f<\/h2>\n<p>\u5236\u7d04\u306f\u30c7\u30fc\u30bf\u6574\u5408\u6027\u306e\u7b2c\u4e00\u306e\u9632\u885b\u7dda\u3067\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u306b\u3088\u3063\u3066\u5f37\u5236\u3055\u308c\u308b\u305f\u3081\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb\u306e\u30c1\u30a7\u30c3\u30af\u3088\u308a\u3082\u9ad8\u901f\u304b\u3064\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u3089\u306f<em>\u552f\u4e00\u306e<\/em>\u5c64\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u5236\u7d04\u306e\u7a2e\u985e<\/h3>\n<ul>\n<li><strong>\u4e3b\u30ad\u30fc\uff1a<\/strong>\u3059\u3079\u3066\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u4e00\u610f\u306b\u8b58\u5225\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3059\u3079\u3066\u306e\u95a2\u4fc2\u6027\u306b\u304a\u3044\u3066\u57fa\u672c\u7684\u306a\u3082\u306e\u3067\u3059\u3002<\/li>\n<li><strong>\u5916\u90e8\u30ad\u30fc\uff1a<\/strong> \u30c6\u30fc\u30d6\u30eb\u9593\u306e\u95a2\u4fc2\u3092\u7dad\u6301\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5b64\u7acb\u3057\u305f\u30ec\u30b3\u30fc\u30c9\u3092\u9632\u3050\u3002<\/li>\n<li><strong>\u30c1\u30a7\u30c3\u30af\u5236\u7d04\uff1a<\/strong> \u5217\u306e\u5024\u306b\u5bfe\u3057\u3066\u7279\u5b9a\u306e\u6761\u4ef6\u3092\u5b9a\u7fa9\u3059\u308b\u3002\u7bc4\u56f2\u3001\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3001\u307e\u305f\u306f\u300cprice &gt; 0\u300d\u306e\u3088\u3046\u306a\u8ad6\u7406\u306b\u6709\u7528\u3002<code>price &gt; 0<\/code>.<\/li>\n<li><strong>\u4e00\u610f\u5236\u7d04\uff1a<\/strong> \u91cd\u8907\u30c7\u30fc\u30bf\u3092\u9632\u6b62\u3059\u308b\u3002\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3001SKU\u306a\u3069\u306b\u4e0d\u53ef\u6b20\u3002<\/li>\n<\/ul>\n<h3>\u30c8\u30ea\u30ac\u30fc\u3068\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3<\/h3>\n<p> \u3068\u304d\u306b\u306f\u5236\u7d04\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3042\u308b\u3002\u53d6\u5f15\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u308f\u305f\u3063\u3066\u6b8b\u9ad8\u3092\u66f4\u65b0\u3059\u308b\u3088\u3046\u306a\u8907\u96d1\u306a\u30ed\u30b8\u30c3\u30af\u306f\u3001\u30c8\u30ea\u30ac\u30fc\u3092\u5fc5\u8981\u3068\u3059\u308b\u3002\u5f37\u529b\u3067\u306f\u3042\u308b\u304c\u3001\u30c8\u30ea\u30ac\u30fc\u306f\u63a7\u3048\u3081\u306b\u4f7f\u7528\u3059\u3079\u304d\u3067\u3042\u308b\u3002\u958b\u767a\u8005\u306b\u30ed\u30b8\u30c3\u30af\u3092\u96a0\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30c7\u30d0\u30c3\u30b0\u3092\u56f0\u96e3\u306b\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong> \u53e4\u3044\u30ec\u30b3\u30fc\u30c9\u3092\u81ea\u52d5\u7684\u306b\u30a2\u30fc\u30ab\u30a4\u30d6\u3059\u308b\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4f8b\uff1a<\/strong> \u633f\u5165\u524d\u306b\u5c0e\u51fa\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u8a08\u7b97\u3059\u308b\u3002<\/li>\n<li><strong>\u8b66\u544a\uff1a<\/strong> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u306b\u9069\u3057\u3066\u3044\u308b\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u907f\u3051\u308b\u3053\u3068\u3002\u30c8\u30ea\u30ac\u30fc\u306f\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u306b\u96c6\u4e2d\u3059\u3079\u304d\u3067\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u5411\u3051\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3067\u306f\u306a\u3044\u3002<\/li>\n<\/ul>\n<h2>\u9032\u5316\u3068\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0 \ud83d\udd04<\/h2>\n<p> \u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306f\u5909\u5316\u3059\u308b\u3002\u4f01\u696d\u304c\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u8ca9\u58f2\u3092\u958b\u59cb\u3057\u3001\u305d\u306e\u5f8c\u4e00\u5ea6\u9650\u308a\u306e\u8cfc\u5165\u306b\u79fb\u884c\u3059\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306f\u65e2\u5b58\u306e\u30ed\u30b8\u30c3\u30af\u3092\u58ca\u3055\u305a\u306b\u9032\u5316\u3067\u304d\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<h3>\u30b9\u30ad\u30fc\u30de\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406<\/h3>\n<p> ERD\u3078\u306e\u5909\u66f4\u306f\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3059\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u79fb\u884c\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5909\u66f4\u304c\u4e88\u671f\u305b\u305a\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u7834\u58ca\u3057\u305f\u5834\u5408\u306b\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3067\u304d\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5f8c\u65b9\u4e92\u63db\u6027\uff1a<\/strong> \u5217\u3092\u8ffd\u52a0\u3059\u308b\u969b\u306f\u3001\u521d\u671f\u6bb5\u968e\u3067null\u8a31\u5bb9\u306b\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u65b0\u3057\u3044\u30ed\u30b8\u30c3\u30af\u304c\u30c7\u30d7\u30ed\u30a4\u3055\u308c\u3066\u3044\u308b\u9593\u3082\u53e4\u3044\u30ed\u30b8\u30c3\u30af\u304c\u52d5\u4f5c\u3059\u308b\u3002<\/li>\n<li><strong>\u975e\u63a8\u5968\uff1a<\/strong> \u5217\u3092\u3059\u3050\u306b\u524a\u9664\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u975e\u63a8\u5968\u3068\u3057\u3066\u30de\u30fc\u30af\u3057\u3001\u53e4\u3044\u7d71\u5408\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u4e00\u5b9a\u671f\u9593\u4fdd\u6301\u3059\u308b\u3002<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff1a<\/strong> \u30b9\u30ad\u30fc\u30de\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u30b3\u30fc\u30c9\u3068\u540c\u671f\u3055\u305b\u308b\u3002ERD\u5185\u306e\u30b3\u30e1\u30f3\u30c8\u306f\u3001\u5217\u306e\u80cc\u5f8c\u306b\u3042\u308b\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u8aac\u660e\u3059\u3079\u304d\u3067\u3042\u308b\u3002<\/li>\n<\/ul>\n<h3>\u30ed\u30b8\u30c3\u30af\u306e\u305f\u3081\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/h3>\n<p> \u8981\u4ef6\u304c\u5897\u3048\u308b\u306b\u3064\u308c\u3066\u3001\u521d\u671f\u306eERD\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u30c6\u30fc\u30d6\u30eb\u3092\u5206\u5272\u3057\u305f\u308a\u7d71\u5408\u3057\u305f\u308a\u3059\u308b\u5fc5\u8981\u304c\u51fa\u3066\u304f\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u3053\u308c\u306f\u614e\u91cd\u306a\u8a08\u753b\u3092\u5fc5\u8981\u3068\u3059\u308b\u91cd\u8981\u306a\u4f5c\u696d\u3067\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30ed\u30b8\u30c3\u30af\u3092\u7279\u5b9a\u3059\u308b\uff1a<\/strong> 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