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class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Cartoon infographic illustrating ERD evolution through 4 phases: MVP seedling stage with flexible schemas, growth stage with normalization for data integrity, scale stage with strategic denormalization for performance, and enterprise architecture stage with microservices and polyglot persistence, plus migration strategies and common pitfalls for database modeling\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/erd-evolution-infographic-cartoon.jpg\"\/><\/figure>\n<\/div>\n<h2>\u6bb5\u968e1\uff1a\u82e5\u6728\u671f\uff08MVP\uff09 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\u304a\u3088\u3073 <code>UserDetails<\/code>\u306b\u5206\u5272\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u95a2\u4fc2\u6027\u304c\u5c0e\u5165\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u304c1\u5bfe1\u30011\u5bfe\u591a\u3001\u307e\u305f\u306f\u591a\u5bfe\u591a\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u660e\u78ba\u306b\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u79fb\u884c\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h3>\n<ul>\n<li>\u3059\u3079\u3066\u306e\u30c6\u30fc\u30d6\u30eb\u9593\u3067\u91cd\u8907\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n<li>\u3059\u3079\u3066\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u5bfe\u3057\u3066\u4e3b\u30ad\u30fc\u3092\u5b9a\u7fa9\u3059\u308b\u3002<\/li>\n<li>\u95a2\u4fc2\u6027\u3092\u5f37\u5236\u3059\u308b\u305f\u3081\u306b\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u3092\u5b9f\u88c5\u3059\u308b\u3002<\/li>\n<li>\u65b0\u3057\u3044\u7d50\u5408\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u8003\u616e\u3057\u3066\u3001\u65e2\u5b58\u306e\u30af\u30a8\u30ea\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<li>\u79fb\u884c\u4e2d\u306b\u5f8c\u65b9\u4e92\u63db\u6027\u3092\u8003\u616e\u3057\u3066\u8a08\u753b\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u30d5\u30a7\u30fc\u30ba3\uff1a\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u6bb5\u968e\uff08\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\uff09\u26a1<\/h2>\n<p>\u6570\u767e\u4e07\u4ef6\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u6b63\u898f\u5316\u3055\u308c\u305f\u69cb\u9020\u306f\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30b1\u30fc\u30eb\u3059\u308b\u3068\u7d50\u5408\u306f\u8a08\u7b97\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u6bb5\u968e\u3067\u30e2\u30c7\u30eb\u304c\u518d\u3073\u9032\u5316\u3057\u3001\u3057\u3070\u3057\u3070\u53b3\u683c\u306a\u6b63\u898f\u5316\u304b\u3089\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u306e\u6226\u7565\u7684\u975e\u6b63\u898f\u5316\u3078\u3068\u79fb\u884c\u3057\u307e\u3059\u3002<\/p>\n<h3>\u6226\u7565\u7684\u975e\u6b63\u898f\u5316<\/h3>\n<p>\u3053\u308c\u306fMVP\u6bb5\u968e\u3078\u306e\u5f8c\u9000\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8a08\u7b97\u3055\u308c\u305f\u610f\u601d\u6c7a\u5b9a\u3067\u3059\u3002\u5927\u898f\u6a21\u306a\u30c6\u30fc\u30d6\u30eb\u3067\u306e\u9ad8\u30b3\u30b9\u30c8\u306a\u7d50\u5408\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u610f\u56f3\u7684\u306b\u30c7\u30fc\u30bf\u3092\u91cd\u8907\u3055\u305b\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u8aad\u307f\u53d6\u308a\u4e2d\u5fc3\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\uff1a<\/strong> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4e3b\u306b\u8aad\u307f\u53d6\u308a\u4e2d\u5fc3\u306e\u5834\u5408\u3001\u30b9\u30ad\u30fc\u30de\u5185\u306b\u30c7\u30fc\u30bf\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30ec\u30dd\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\uff1a<\/strong> \u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u7528\u306b\u4e8b\u524d\u306b\u96c6\u8a08\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306b\u3088\u308a\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u306e\u5408\u8a08\u8a08\u7b97\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\uff1a<\/strong> \u65e5\u4ed8\u3084\u5730\u57df\u3054\u3068\u306b\u30c6\u30fc\u30d6\u30eb\u3092\u5206\u5272\u3059\u308b\u306b\u306f\u3001\u52b9\u7387\u7684\u306a\u30af\u30a8\u30ea\u3092\u53ef\u80fd\u306b\u3059\u308b\u305f\u3081\u306e\u7279\u5b9a\u306e\u30b9\u30ad\u30fc\u30de\u8a2d\u8a08\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n<h4>\u6bd4\u8f03\uff1a\u6b63\u898f\u5316 vs. \u6700\u9069\u5316<\/h4>\n<table>\n<thead>\n<tr>\n<th>\u6a5f\u80fd<\/th>\n<th>\u6b63\u898f\u5316\uff08\u30d5\u30a7\u30fc\u30ba2\uff09<\/th>\n<th>\u6700\u9069\u5316\uff08\u30d5\u30a7\u30fc\u30ba3\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6574\u5408\u6027<\/td>\n<td>\u9ad8\u3044\uff08\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u3088\u3063\u3066\u5f37\u5236\uff09<\/td>\n<td>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u3067\u7ba1\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u66f8\u304d\u8fbc\u307f\u901f\u5ea6<\/td>\n<td>\u9ad8\u901f<\/td>\n<td>\u9045\u3044\uff08\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8aad\u307f\u53d6\u308a\u901f\u5ea6<\/td>\n<td>\u9045\u3044\uff08\u7d50\u5408\u304c\u5fc5\u8981\uff09<\/td>\n<td>\u9ad8\u901f\uff08\u5358\u4e00\u306e\u691c\u7d22\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u30b9\u30c8\u30ec\u30fc\u30b8<\/td>\n<td>\u52b9\u7387\u7684<\/td>\n<td>\u52b9\u7387\u304c\u60aa\u3044\uff08\u5197\u9577\u6027\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u6bb5\u968e4\uff1a\u8907\u96d1\u6027\u306e\u6bb5\u968e\uff08\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\uff09 \ud83c\udfdb\ufe0f<\/h2>\n<p>\u4f01\u696d\u30ec\u30d9\u30eb\u3067\u306f\u3001\u5358\u4e00\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30e2\u30c7\u30eb\u306f\u3057\u3070\u3057\u3070\u4e0d\u5341\u5206\u3067\u3042\u308b\u3002\u30b7\u30b9\u30c6\u30e0\u306f\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306b\u5206\u5272\u3055\u308c\u308b\u304b\u3001\u30dd\u30ea\u30b0\u30ed\u30c3\u30c8\u6c38\u7d9a\u6027\u3092\u6d3b\u7528\u3059\u308b\u3002ERD\u306f\u3082\u306f\u3084\u5358\u4e00\u306e\u7269\u7406\u7684\u56f3\u3092\u8868\u3059\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u76f8\u4e92\u306b\u901a\u4fe1\u3059\u308b\u30e2\u30c7\u30eb\u306e\u96c6\u5408\u3092\u8868\u3059\u3002<\/p>\n<h3>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3068\u30c7\u30fc\u30bf\u6240\u6709\u6a29<\/h3>\n<p>\u30e2\u30ce\u30ea\u30b7\u30c3\u30af\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306f\u3001<code>\u6ce8\u6587<\/code>\u30c6\u30fc\u30d6\u30eb\u306f\u8acb\u6c42\u3001\u914d\u9001\u3001\u901a\u77e5\u30b5\u30fc\u30d3\u30b9\u306b\u3088\u3063\u3066\u5171\u6709\u3055\u308c\u308b\u3002\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u5404\u30b5\u30fc\u30d3\u30b9\u304c\u81ea\u3089\u306e\u30c7\u30fc\u30bf\u3092\u6240\u6709\u3059\u308b\u3002\u3053\u308c\u306f\u95a2\u4fc2\u6027\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u65b9\u6cd5\u306e\u5909\u66f4\u3092\u8981\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u6700\u7d42\u7684\u6574\u5408\u6027\uff1a<\/strong>\u30b5\u30fc\u30d3\u30b9\u9593\u3067ACID\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u983c\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002ERD\u306f\u72b6\u614b\u306e\u540c\u671f\u3092\u8003\u616e\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n<li><strong>API\u5951\u7d04\uff1a<\/strong>\u95a2\u4fc2\u6027\u306f\u3001\u5916\u90e8\u30ad\u30fc\u3067\u306f\u306a\u304fAPI\u306e\u5fdc\u7b54\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u540c\u671f\uff1a<\/strong>\u7570\u306a\u308b\u30b9\u30c8\u30a2\u9593\u3067\u30c7\u30fc\u30bf\u3092\u6574\u5408\u6027\u3092\u6301\u305f\u305b\u308b\u305f\u3081\u306b\u30c4\u30fc\u30eb\u304c\u5fc5\u8981\u3067\u3042\u308b\uff08\u4f8b\uff1a\u6ce8\u6587\u306b\u306fSQL\u3001\u30ed\u30b0\u306b\u306fNoSQL\uff09\u3002<\/li>\n<\/ul>\n<h3>\u30dd\u30ea\u30b0\u30ed\u30c3\u30c8\u6c38\u7d9a\u6027<\/h3>\n<p>\u7570\u306a\u308b\u30c7\u30fc\u30bf\u306b\u306f\u7570\u306a\u308b\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002ERD\u306f\u975e\u95a2\u4fc2\u7684\u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u542b\u3080\u3088\u3046\u306b\u9032\u5316\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\uff1a<\/strong>\u30bd\u30fc\u30b7\u30e3\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30ec\u30b3\u30e1\u30f3\u30c7\u30fc\u30b7\u30e7\u30f3\u30a8\u30f3\u30b8\u30f3\u3067\u306f\u3001\u30b0\u30e9\u30d5\u30e2\u30c7\u30eb\u304c\u95a2\u4fc2\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u306b\u53d6\u3063\u3066\u4ee3\u308f\u308b\u3002<\/li>\n<li><strong>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30b9\u30c8\u30a2\uff1a<\/strong>\u5546\u54c1\u30ab\u30bf\u30ed\u30b0\u306e\u3088\u3046\u306a\u67d4\u8edf\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u306f\u3001JSON\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u53b3\u683c\u306a\u30ab\u30e9\u30e0\u306b\u4ee3\u308f\u308b\u3002<\/li>\n<li><strong>\u30ad\u30fc\u5024\u30b9\u30c8\u30a2\uff1a<\/strong> \u30bb\u30c3\u30b7\u30e7\u30f3\u7ba1\u7406\u304a\u3088\u3073\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u305f\u3081\u3001\u8907\u96d1\u306a\u884c\u306e\u4ee3\u308f\u308a\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u30ad\u30fc\u5024\u30da\u30a2\u304c\u4f7f\u7528\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n<h2>\u6280\u8853\u7684\u8a73\u7d30\uff1a\u6b63\u898f\u5316\u30ec\u30d9\u30eb \ud83d\udd2c<\/h2>\n<p>\u30e2\u30c7\u30eb\u3092\u52b9\u679c\u7684\u306b\u9032\u5316\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u3001\u5f93\u3063\u3066\u3044\u308b\u304b\u7834\u3063\u3066\u3044\u308b\u30eb\u30fc\u30eb\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u6b63\u898f\u5316\u3068\u306f\u3001\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u30c7\u30fc\u30bf\u3092\u6574\u7406\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308b\u3002<\/p>\n<h3>\u7b2c\u4e00\u6b63\u898f\u5f62\uff081NF\uff09<\/h3>\n<ul>\n<li>\u539f\u5b50\u5024\uff1a\u5404\u5217\u306b\u306f1\u3064\u306e\u5024\u306e\u307f\u304c\u542b\u307e\u308c\u308b\u3002<\/li>\n<li>\u7e70\u308a\u8fd4\u3057\u30b0\u30eb\u30fc\u30d7\u306a\u3057\uff1a\u6b21\u306e\u3088\u3046\u306a\u5217\u3092\u6301\u3066\u306a\u3044\u3002<code>color1<\/code>, <code>color2<\/code>, <code>color3<\/code>.<\/li>\n<li>\u4e00\u610f\u306e\u8b58\u5225\u5b50\uff1a\u5404\u884c\u306f\u4e00\u610f\u306b\u8b58\u5225\u53ef\u80fd\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n<\/ul>\n<h3>\u7b2c\u4e8c\u6b63\u898f\u5f62\uff082NF\uff09<\/h3>\n<ul>\n<li>1NF\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/li>\n<li>\u3059\u3079\u3066\u306e\u975e\u30ad\u30fc\u5c5e\u6027\u306f\u3001\u4e3b\u30ad\u30fc\u306b\u5b8c\u5168\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/li>\n<li>\u90e8\u5206\u7684\u4f9d\u5b58\u95a2\u4fc2\u3092\u6392\u9664\u3059\u308b\uff08\u4f8b\uff1aVendor ID\u306b\u306e\u307f\u4f9d\u5b58\u3059\u308b\u5834\u5408\u3001Vendor\u60c5\u5831\u306f\u5225\u30c6\u30fc\u30d6\u30eb\u306b\u79fb\u52d5\u3059\u308b\uff09\u3002<\/li>\n<\/ul>\n<h3>\u7b2c\u4e09\u6b63\u898f\u5f62\uff083NF\uff09<\/h3>\n<ul>\n<li>2NF\u306b\u6e96\u62e0\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/li>\n<li>\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u304c\u6392\u9664\u3055\u308c\u308b\u3002<\/li>\n<li>\u5217\u306f\u4ed6\u306e\u975e\u30ad\u30fc\u5217\u306b\u4f9d\u5b58\u3057\u3066\u306f\u306a\u3089\u306a\u3044\uff08\u4f8b\uff1a<code>City<\/code> \u306f <code>State<\/code> \u306b\u4f9d\u5b58\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001<code>Zip Code<\/code> \u306b\u4f9d\u5b58\u3059\u308b\u3002City\u3068State\u3092\u79fb\u52d5\u3059\u308b\u3002<code>City<\/code> \u304a\u3088\u3073 <code>State<\/code> \uff5e\u306b<code>\u5834\u6240<\/code> \u30c6\u30fc\u30d6\u30eb\u3002<\/li>\n<\/ul>\n<h2>ERD\u306e\u9032\u5316\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74 \u26a0\ufe0f<\/h2>\n<p>\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30c1\u30fc\u30e0\u3067\u3055\u3048\u3001\u30e2\u30c7\u30eb\u306e\u518d\u69cb\u7bc9\u6642\u306b\u30df\u30b9\u3092\u72af\u3059\u3053\u3068\u304c\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u8a8d\u8b58\u3059\u308b\u3053\u3068\u3067\u3001\u9ad8\u30b3\u30b9\u30c8\u306a\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u3092\u56de\u907f\u3067\u304d\u308b\u3002<\/p>\n<h3>1. \u300c\u30d3\u30c3\u30b0\u30d0\u30f3\u300d\u79fb\u884c<\/h3>\n<p>\u4e00\u5ea6\u306e\u30c7\u30d7\u30ed\u30a4\u3067\u5168\u4f53\u306e\u30b9\u30ad\u30fc\u30de\u3092\u5909\u66f4\u3057\u3088\u3046\u3068\u3059\u308b\u3002\u975e\u5e38\u306b\u9ad8\u3044\u30ea\u30b9\u30af\u3092\u4f34\u3046\u3002\u79fb\u884c\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5931\u6557\u3059\u308c\u3070\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u7834\u640d\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u89e3\u6c7a\u7b56\uff1a<\/strong> \u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30bf\u30eb\u306a\u79fb\u884c\u3092\u4f7f\u7528\u3059\u308b\u3002\u30ab\u30e9\u30e0\u3092\u8ffd\u52a0\u3057\u3001\u30c7\u30fc\u30bf\u3092\u57cb\u3081\u8fbc\u307f\u3001\u30ed\u30b8\u30c3\u30af\u3092\u5207\u308a\u66ff\u3048\u3001\u305d\u306e\u5f8c\u53e4\u3044\u30ab\u30e9\u30e0\u3092\u524a\u9664\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>2. \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5f71\u97ff\u3092\u7121\u8996\u3059\u308b<\/h3>\n<p>\u95a2\u4fc2\u6027\u306e\u5909\u66f4\u306f\u30af\u30a8\u30ea\u30d1\u30bf\u30fc\u30f3\u3092\u5909\u3048\u308b\u3002\u65b0\u3057\u3044\u5916\u90e8\u30ad\u30fc\u95a2\u4fc2\u306f\u3001\u826f\u597d\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u767a\u63ee\u3059\u308b\u305f\u3081\u306b\u65b0\u3057\u3044\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u304c\u3042\u308b\u3002<\/p>\n<ul>\n<li><strong>\u89e3\u6c7a\u7b56\uff1a<\/strong> \u30b9\u30ad\u30fc\u30de\u5909\u66f4\u306e\u524d\u5f8c\u3067\u3001\u9045\u3044\u30af\u30a8\u30ea\u30ed\u30b0\u3092\u5206\u6790\u3059\u308b\u3002<\/li>\n<li><strong>\u89e3\u6c7a\u7b56\uff1a<\/strong> \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u3092\u30d4\u30fc\u30af\u6642\u4ee5\u5916\u306e\u6642\u9593\u5e2f\u306b\u8a08\u753b\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>3. \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u306b\u5236\u7d04\u3092\u30cf\u30fc\u30c9\u30b3\u30fc\u30c9\u3059\u308b<\/h3>\n<p>\u4e00\u90e8\u306e\u30c1\u30fc\u30e0\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306f\u306a\u304f\u30b3\u30fc\u30c9\u3067\u30c7\u30fc\u30bf\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u3092\u597d\u3080\u3002\u8907\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u540c\u3058\u30b9\u30c8\u30a2\u306b\u66f8\u304d\u8fbc\u3080\u5834\u5408\u3001\u30c7\u30fc\u30bf\u306e\u7834\u640d\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002<\/p>\n<ul>\n<li><strong>\u89e3\u6c7a\u7b56\uff1a<\/strong> \u30a2\u30d7\u30ea\u304c\u5206\u6563\u3057\u3066\u3044\u3066\u3082\u3001\u5236\u7d04\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5c64\uff08NOT NULL\u3001CHECK\u5236\u7d04\uff09\u306b\u4fdd\u6301\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u79fb\u884c\u6226\u7565 \ud83d\udd04<\/h2>\n<p>ERD\u3092\u9032\u5316\u3055\u305b\u3056\u308b\u3092\u5f97\u306a\u3044\u5834\u5408\u3001\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u3068\u30c7\u30fc\u30bf\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u6226\u7565\u304c\u5fc5\u8981\u3068\u306a\u308b\u3002<\/p>\n<h3>\u62e1\u5f35\u3068\u53ce\u7e2e\u30d1\u30bf\u30fc\u30f3<\/h3>\n<p>\u3053\u308c\u306f\u5b89\u5168\u306a\u30b9\u30ad\u30fc\u30de\u9032\u5316\u306e\u57fa\u6e96\u3068\u306a\u308b\u3002<\/p>\n<ol>\n<li><strong>\u8ffd\u52a0\uff1a<\/strong> \u30b9\u30ad\u30fc\u30de\u306b\u65b0\u3057\u3044\u30ab\u30e9\u30e0\u307e\u305f\u306f\u30c6\u30fc\u30d6\u30eb\u3092\u8ffd\u52a0\u3059\u308b\u3002\u65e2\u5b58\u306e\u30ed\u30b8\u30c3\u30af\u306f\u307e\u3060\u5909\u66f4\u3057\u306a\u3044\u3002<\/li>\n<li><strong>\u66f8\u304d\u8fbc\u307f\uff1a<\/strong> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u66f4\u65b0\u3057\u3066\u3001\u53e4\u3044\u69cb\u9020\u3068\u65b0\u3057\u3044\u69cb\u9020\u306e\u4e21\u65b9\u306b\u66f8\u304d\u8fbc\u3080\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n<li><strong>\u8aad\u307f\u8fbc\u307f\uff1a<\/strong> \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u66f4\u65b0\u3057\u3066\u3001\u65b0\u3057\u3044\u69cb\u9020\u304b\u3089\u8aad\u307f\u8fbc\u3080\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n<li><strong>\u30d0\u30c3\u30af\u30d5\u30a3\u30eb\uff1a<\/strong> \u80cc\u666f\u30b8\u30e7\u30d6\u3092\u5b9f\u884c\u3057\u3066\u3001\u53e4\u3044\u30c7\u30fc\u30bf\u3067\u65b0\u3057\u3044\u69cb\u9020\u3092\u57cb\u3081\u307e\u3059\u3002<\/li>\n<li><strong>\u5951\u7d04\uff1a<\/strong> \u78ba\u8a8d\u5f8c\u3001\u53e4\u3044\u30ab\u30e9\u30e0\u3068\u30ed\u30b8\u30c3\u30af\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3>\u6a5f\u80fd\u30d5\u30e9\u30b0<\/h3>\n<p>\u6a5f\u80fd\u30d5\u30e9\u30b0\u3092\u4f7f\u7528\u3057\u3066\u3001\u53e4\u3044\u30b9\u30ad\u30fc\u30de\u3068\u65b0\u3057\u3044\u30b9\u30ad\u30fc\u30de\u306e\u9593\u3092\u5207\u308a\u66ff\u3048\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30c7\u30d7\u30ed\u30a4\u305b\u305a\u306b\u3001\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u3059\u3050\u306b\u5143\u306b\u623b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\u3068\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406 \ud83d\udcdd<\/h2>\n<p>ERD\u306f\u4e00\u5ea6\u304d\u308a\u306e\u7d0d\u54c1\u7269\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5e38\u306b\u66f4\u65b0\u3055\u308c\u308b\u6587\u66f8\u3067\u3059\u3002\u30e2\u30c7\u30eb\u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3082\u305d\u308c\u306b\u5408\u308f\u305b\u3066\u66f4\u65b0\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u30b9\u30ad\u30fc\u30de\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406<\/h3>\n<ul>\n<li>\u30b9\u30ad\u30fc\u30de\u30d5\u30a1\u30a4\u30eb\uff08SQL\u30b9\u30af\u30ea\u30d7\u30c8\uff09\u3092\u30b3\u30fc\u30c9\u3068\u3057\u3066\u6271\u3044\u307e\u3059\u3002\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306b\u4fdd\u5b58\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u6642\u9593\u306e\u7d4c\u904e\u306b\u4f34\u3046\u5909\u66f4\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/li>\n<li>\u30ea\u30ea\u30fc\u30b9\u306b\u30b9\u30ad\u30fc\u30de\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30bf\u30b0\u4ed8\u3051\u3057\u307e\u3059\uff08\u4f8b\uff1a<code>v1.2.0-schema<\/code>).<\/li>\n<\/ul>\n<h3>\u8996\u899a\u7684\u4e00\u8cab\u6027<\/h3>\n<ul>\n<li>\u547d\u540d\u898f\u5247\u3092\u7d71\u4e00\u3057\u307e\u3059\uff08\u4f8b\uff1asnake_case \u3068 camelCase \u306e\u6bd4\u8f03\uff09\u3002<\/li>\n<li>\u30c6\u30fc\u30d6\u30eb\u540d\u304c\u30c9\u30e1\u30a4\u30f3\u3092\u53cd\u6620\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\uff08\u4f8b\uff1a<code>customer<\/code> \u3067\u306f\u306a\u304f <code>t1<\/code>).<\/li>\n<li>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306e\u6587\u8108\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306b\u3001\u30b9\u30ad\u30fc\u30de\u306b\u30b3\u30e1\u30f3\u30c8\u3092\u6b8b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30e2\u30c7\u30eb\u306e\u5c06\u6765\u5bfe\u5fdc\u6027\u306e\u78ba\u4fdd \ud83d\ude80<\/h2>\n<p>\u672a\u6765\u3092\u4e88\u6e2c\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u67d4\u8edf\u6027\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u3002\u904e\u5270\u8a2d\u8a08\u306f\u60aa\u3044\u3067\u3059\u304c\u3001\u5909\u5316\u306b\u5099\u3048\u305f\u8a2d\u8a08\u306f\u8ce2\u660e\u3067\u3059\u3002<\/p>\n<h3>\u62e1\u5f35\u53ef\u80fd\u306a\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3<\/h3>\n<ul>\n<li><strong>EAV\uff08\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3-\u5c5e\u6027-\u5024\uff09\uff1a<\/strong>\u975e\u5e38\u306b\u5909\u52d5\u3059\u308b\u30c7\u30fc\u30bf\u306b\u6709\u7528\u3067\u3059\u304c\u3001\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>JSON\u30ab\u30e9\u30e0\uff1a<\/strong>\u73fe\u4ee3\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306fJSON\u578b\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u3092\u5909\u66f4\u305b\u305a\u306b\u67d4\u8edf\u306a\u5c5e\u6027\u3092\u4fdd\u5b58\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30bf\u30b0\u30b7\u30b9\u30c6\u30e0\uff1a<\/strong>\u7279\u5b9a\u306e\u5c5e\u6027\u3092\u30cf\u30fc\u30c9\u30b3\u30fc\u30c9\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30e1\u30bf\u30c7\u30fc\u30bf\u306b\u591a\u5bfe\u591a\u306e\u95a2\u4fc2\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u76e3\u8996\u3068\u76e3\u67fb<\/h3>\n<ul>\n<li>\u30b9\u30ad\u30fc\u30de\u306e\u5909\u66f4\u3092\u8ffd\u8de1\u3059\u308b\u3002\u8ab0\u304c\u4f55\u3092\u3001\u3044\u3064\u5909\u66f4\u3057\u305f\u304b\uff1f<\/li>\n<li>\u30c7\u30fc\u30bf\u6210\u9577\u306e\u50be\u5411\u3092\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u3002\u30c6\u30fc\u30d6\u30eb\u306e\u30b5\u30a4\u30ba\u304c\u6708\u306b50\uff05\u5897\u52a0\u3059\u308b\u5834\u5408\u3001\u9045\u5ef6\u304c\u767a\u751f\u3059\u308b\u524d\u306b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3092\u8a08\u753b\u3059\u308b\u3002<\/li>\n<li>\u5236\u7d04\u9055\u53cd\u306b\u5bfe\u3057\u3066\u30a2\u30e9\u30fc\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u9069\u5fdc\u6027\u306b\u95a2\u3059\u308b\u7d50\u8ad6 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