{"id":1656,"date":"2026-04-07T23:00:28","date_gmt":"2026-04-07T23:00:28","guid":{"rendered":"https:\/\/www.viz-note.com\/ja\/erd-integrity-validation-checklist-dba\/"},"modified":"2026-04-07T23:00:28","modified_gmt":"2026-04-07T23:00:28","slug":"erd-integrity-validation-checklist-dba","status":"publish","type":"post","link":"https:\/\/www.viz-note.com\/ja\/erd-integrity-validation-checklist-dba\/","title":{"rendered":"\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u8005\u306e\u305f\u3081\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306e\u6574\u5408\u6027\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306e\u79d8\u5bc6\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8"},"content":{"rendered":"

\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u306f\u3001\u3042\u3089\u3086\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b7\u30b9\u30c6\u30e0\u306e\u4fe1\u983c\u6027\u306e\u57fa\u76e4\u3068\u306a\u308b\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u306f\u3001\u3053\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u8a2d\u8a08\u56f3\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u62bd\u8c61\u7684\u306a\u30d3\u30b8\u30cd\u30b9\u8981\u4ef6\u3092\u5177\u4f53\u7684\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306b\u5909\u63db\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u7d19\u4e0a\u3042\u308b\u3044\u306f\u30e2\u30c7\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u4e0a\u306e\u56f3\u3060\u3051\u3067\u306f\u3001\u6a5f\u80fd\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u8a2d\u8a08\u3068\u5b9f\u88c5\u306e\u9593\u306b\u751f\u3058\u308b\u30ae\u30e3\u30c3\u30d7\u306f\u3001\u3057\u3070\u3057\u3070\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3084\u30c7\u30fc\u30bf\u306e\u4e0d\u6574\u5408\u3001\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u5f8c\u534a\u306b\u304b\u3051\u3066\u9ad8\u30b3\u30b9\u30c8\u306a\u518d\u8a2d\u8a08\u4f5c\u696d\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002<\/p>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u8005\uff08DBA\uff09\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u306b\u3068\u3063\u3066\u3001\u691c\u8a3c\u30d5\u30a7\u30fc\u30ba\u306f\u7406\u8ad6\u7684\u306a\u30e2\u30c7\u30eb\u304c\u5b9f\u969b\u306e\u5236\u7d04\u3068\u4ea4\u5dee\u3059\u308b\u5834\u3067\u3042\u308b\u3002\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u5305\u62ec\u7684\u3067\u6280\u8853\u7684\u306a\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u3002\u57fa\u672c\u7684\u306a\u69cb\u6587\u3092\u8d8a\u3048\u3066\u3001\u8ad6\u7406\u7684\u4e00\u8cab\u6027\u3001\u6b63\u898f\u5316\u57fa\u6e96\u3001\u5236\u7d04\u306e\u5f37\u5236\u3001\u6587\u66f8\u5316\u306e\u5b9f\u8df5\u3092\u691c\u8a0e\u3059\u308b\u3002\u3053\u308c\u3089\u306e\u539f\u5247\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u7279\u5b9a\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d9\u30f3\u30c0\u30fc\u307e\u305f\u306f\u72ec\u81ea\u306e\u30c4\u30fc\u30eb\u306b\u4f9d\u5b58\u305b\u305a\u306b\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3068\u4fdd\u5b88\u6027\u3092\u652f\u3048\u308b\u5805\u56fa\u306a\u57fa\u76e4\u3092\u69cb\u7bc9\u3067\u304d\u308b\u3002<\/p>\n

\n
\"Whimsical<\/figure>\n<\/div>\n

1. \u69cb\u9020\u7684\u69cb\u6587\u3068\u30b9\u30ad\u30fc\u30de\u5b9a\u7fa9 \ud83c\udfd7\ufe0f<\/h2>\n

\u691c\u8a3c\u306e\u7b2c\u4e00\u6bb5\u968e\u306f\u3001\u56f3\u306e\u57fa\u672c\u7684\u306a\u69cb\u6210\u8981\u7d20\u306b\u304b\u304b\u308f\u308b\u3002\u3059\u3079\u3066\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u95a2\u4fc2\u306f\u3001\u53b3\u683c\u306a\u69cb\u9020\u30eb\u30fc\u30eb\u306b\u5f93\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u69cb\u6587\u306b\u8aa4\u308a\u304c\u3042\u308b\u5834\u5408\u3001\u751f\u6210\u3055\u308c\u308bSQL DDL\uff08\u30c7\u30fc\u30bf\u5b9a\u7fa9\u8a00\u8a9e\uff09\u306f\u5931\u6557\u3059\u308b\u304b\u3001\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u3092\u3082\u305f\u3089\u3059\u3002<\/p>\n

    \n
  • \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u540d\u306e\u547d\u540d\u898f\u5247\uff1a<\/strong> \u3059\u3079\u3066\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u540d\u304c\u4e00\u8cab\u3057\u305f\u547d\u540d\u898f\u5247\u306b\u5f93\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u306f\u4e00\u822c\u7684\u306b\u5358\u6570\u540d\u8a5e\u304c\u597d\u307e\u308c\u308b\uff08\u4f8b\uff1aCustomer<\/code> \u3067\u306f\u306a\u304f Customers<\/code>\uff09\u3002\u3053\u308c\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u30d1\u30bf\u30fc\u30f3\u3068\u6574\u5408\u3055\u305b\u308b\u305f\u3081\u3067\u3042\u308b\u3002\u7279\u6b8a\u6587\u5b57\u3001\u30b9\u30da\u30fc\u30b9\u3001\u4e88\u7d04\u8a9e\u3092\u907f\u3051\u308b\u3002<\/li>\n
  • \u30c6\u30fc\u30d6\u30eb\u540d\u306e\u4e00\u8cab\u6027\uff1a<\/strong> \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u30c6\u30fc\u30d6\u30eb\u540d\u306b\u76f4\u63a5\u5bfe\u5fdc\u3055\u305b\u308b\u3002\u7279\u5b9a\u306e\u6b63\u898f\u5316\u6226\u7565\u304c\u5225\u9014\u6307\u793a\u3057\u306a\u3044\u9650\u308a\u30011\u5bfe1\u306e\u5bfe\u5fdc\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u7570\u306a\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u540c\u3058\u30c6\u30fc\u30d6\u30eb\u540d\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u540d\u524d\u885d\u7a81\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n
  • \u4e3b\u30ad\u30fc\u306e\u8b58\u5225\uff1a<\/strong> \u3059\u3079\u3066\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u660e\u78ba\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u4e3b\u30ad\u30fc\uff08PK\uff09\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u4e00\u610f\u306e\u8b58\u5225\u5b50\u304c\u306a\u3051\u308c\u3070\u3001\u884c\u3092\u533a\u5225\u3067\u304d\u305a\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u306e\u9055\u53cd\u304c\u751f\u3058\u308b\u3002\u4e3b\u30ad\u30fc\u304cNULL\u306b\u306a\u3089\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n
  • \u5c5e\u6027\u306e\u5b8c\u5168\u6027\uff1a<\/strong> \u3059\u3079\u3066\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u5c5e\u6027\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u7a7a\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u30c9\u30e1\u30a4\u30f3\u306e\u7406\u89e3\u4e0d\u8db3\u3084\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306e\u4e0d\u5b8c\u5168\u6027\u3092\u793a\u3059\u3053\u3068\u304c\u591a\u3044\u3002<\/li>\n
  • \u30c7\u30fc\u30bf\u578b\u306e\u6b63\u78ba\u6027\uff1a<\/strong> \u30c7\u30fc\u30bf\u578b\u304c\u5177\u4f53\u7684\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u6b63\u78ba\u6027\u304c\u91cd\u8981\u306a\u5834\u9762\u3067\u306f\u3001TEXT<\/code> \u3084 INT<\/code> \u3068\u3044\u3063\u305f\u6c4e\u7528\u7684\u306a\u578b\u3092\u907f\u3051\u308b\u3002\u9577\u3055\u3092\u660e\u78ba\u306b\u5b9a\u7fa9\u3057\u305f VARCHAR(n)<\/code> \u3092\u4f7f\u7528\u3057\u3001\u91d1\u878d\u30c7\u30fc\u30bf\u306b\u306f DECIMAL(p, s)<\/code> \u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n

    2. \u30ad\u30fc\u3001\u5236\u7d04\u3001\u53c2\u7167\u6574\u5408\u6027 \ud83d\udd11<\/h2>\n

    \u30ad\u30fc\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7d71\u5408\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3042\u308b\u3002\u5916\u90e8\u30ad\u30fc\uff08FK\uff09\u306f\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u30ea\u30f3\u30af\u3092\u4f5c\u6210\u3057\u3001\u95a2\u4fc2\u3092\u5f37\u5236\u3059\u308b\u3002\u3053\u308c\u3089\u306e\u5236\u7d04\u3092\u691c\u8a3c\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/p>\n

      \n
    • \u5916\u90e8\u30ad\u30fc\u306e\u5b58\u5728\uff1a<\/strong> ERD\u5185\u306e\u3059\u3079\u3066\u306e\u95a2\u4fc2\u7dda\u304c\u30b9\u30ad\u30fc\u30de\u5185\u306e\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6b20\u843d\u3057\u3066\u3044\u308b\u5916\u90e8\u30ad\u30fc\u306f\u53c2\u7167\u6574\u5408\u6027\u3092\u7834\u308a\u3001\u5b64\u7acb\u3057\u305f\u30ec\u30b3\u30fc\u30c9\u304c\u8a31\u53ef\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
    • \u524a\u9664\/\u66f4\u65b0\u6642\u306e\u52d5\u4f5c\uff1a<\/strong>\u89aa\u30ec\u30b3\u30fc\u30c9\u304c\u524a\u9664\u307e\u305f\u306f\u66f4\u65b0\u3055\u308c\u305f\u3068\u304d\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u52d5\u4f5c\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u52d5\u4f5c\u306b\u306fCASCADE<\/code>, SET NULL<\/code>\u3001\u307e\u305f\u306fRESTRICT<\/code>\u304c\u3042\u308a\u307e\u3059\u3002ERD\u306f\u3053\u308c\u3089\u306e\u52d5\u4f5c\u3092\u660e\u78ba\u306b\u6587\u66f8\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
    • \u8907\u5408\u30ad\u30fc\uff1a<\/strong>\u4e3b\u30ad\u30fc\u304c\u8907\u6570\u306e\u5217\u3067\u69cb\u6210\u3055\u308c\u308b\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u8981\u7d20\u304c\u672c\u5f53\u306b\u5fc5\u8981\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u91cd\u8907\u3092\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002\u89aa\u30ad\u30fc\u306e\u3059\u3079\u3066\u306e\u5217\u3092\u542b\u3080\u5916\u90e8\u30ad\u30fc\u304c\u8907\u5408\u30ad\u30fc\u3092\u53c2\u7167\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
    • \u4e00\u610f\u5236\u7d04\uff1a<\/strong>\u30c6\u30fc\u30d6\u30eb\u5168\u4f53\u3067\u4e00\u610f\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u304c\u3001\u4e3b\u30ad\u30fc\u3067\u306f\u306a\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u7279\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u3084\u56fd\u7c4dID\u756a\u53f7\u306a\u3069\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u8a2d\u8a08\u3067UNIQUE<\/code>\u3068\u3057\u3066\u30de\u30fc\u30af\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
    • \u30c1\u30a7\u30c3\u30af\u5236\u7d04\uff1a<\/strong>\u30c7\u30fc\u30bf\u578b\u3060\u3051\u3067\u5f37\u5236\u3067\u304d\u306a\u3044\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u691c\u8a3c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5e74\u9f62\u7bc4\u56f2\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3001\u30d1\u30fc\u30bb\u30f3\u30c6\u30fc\u30b8\u306e\u4e0a\u9650\u306a\u3069\u304c\u4f8b\u3067\u3059\u3002<\/li>\n<\/ul>\n

      3. \u6975\u6027\u3068\u95a2\u4fc2\u8ad6\u7406 \ud83d\udd04<\/h2>\n

      \u95a2\u4fc2\u306f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u6975\u6027\u306f\u3001\u3042\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u5225\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u95a2\u9023\u4ed8\u3051\u3089\u308c\u308b\u6700\u5c0f\u304a\u3088\u3073\u6700\u5927\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u6975\u6027\u3092\u8aa4\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u640d\u5931\u3084\u91cd\u8907\u306e\u4e00\u822c\u7684\u306a\u539f\u56e0\u3067\u3059\u3002<\/p>\n

        \n
      • 1\u5bfe1\uff081:1\uff09\uff1a<\/strong>1\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u5225\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u3068\u6b63\u78ba\u306b1\u3064\u5bfe1\u306b\u5bfe\u5fdc\u3059\u308b\u5834\u5408\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u304c\u672c\u5f53\u306b\u5fc5\u8981\u3067\u3042\u308b\u3053\u3068\u3092\u691c\u8a3c\u3057\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u7d71\u5408\u304c\u9069\u5207\u306a\u5834\u5408\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
      • 1\u5bfe\u591a\uff081:N\uff09\uff1a<\/strong>\u6700\u3082\u4e00\u822c\u7684\u306a\u95a2\u4fc2\u3067\u3059\u3002\u5916\u90e8\u30ad\u30fc\u304c\u300c\u591a\u300d\u5074\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u95a2\u4fc2\u304c\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u5834\u5408\u3001\u5916\u90e8\u30ad\u30fc\u304cNULL\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
      • \u591a\u5bfe\u591a\uff08M:N\uff09\uff1a<\/strong>\u76f4\u63a5\u7684\u306aM:N\u95a2\u4fc2\u306f\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306f\u7269\u7406\u7684\u306b\u4e0d\u53ef\u80fd\u3067\u3059\u30022\u3064\u306e\u5916\u90e8\u30ad\u30fc\u3092\u542b\u3080\u95a2\u9023\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u30b8\u30e7\u30a4\u30f3\u30c6\u30fc\u30d6\u30eb\uff09\u306b\u5206\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
      • \u30aa\u30d7\u30b7\u30e7\u30f3\u5bfe\u5fc5\u9808\uff1a<\/strong>\u30aa\u30d7\u30b7\u30e7\u30f3\u95a2\u4fc2\uff08\u5916\u90e8\u30ad\u30fc\u304cNULL\u53ef\u80fd\uff09\u3068\u5fc5\u9808\u95a2\u4fc2\uff08\u5916\u90e8\u30ad\u30fc\u304cNULL\u4e0d\u53ef\uff09\u3092\u660e\u78ba\u306b\u533a\u5225\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306f\u30c7\u30fc\u30bf\u5165\u529b\u306e\u8981\u4ef6\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002<\/li>\n
      • \u518d\u5e30\u7684\u95a2\u4fc2\uff1a<\/strong>\u81ea\u5206\u81ea\u8eab\u3068\u95a2\u4fc2\u3092\u6301\u3064\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u4f8b\uff1a\u5f93\u696d\u54e1\u304c\u5f93\u696d\u54e1\u3092\u7ba1\u7406\u3059\u308b\uff09\u306e\u5834\u5408\u3001\u5916\u90e8\u30ad\u30fc\u304c\u540c\u3058\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u3092\u6307\u3059\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n

        4. \u6b63\u898f\u5316\u3068\u30c7\u30fc\u30bf\u306e\u91cd\u8907 \ud83d\udcc9<\/h2>\n

        \u6b63\u898f\u5316\u306f\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u6e1b\u3089\u3057\u3001\u6574\u5408\u6027\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u969b\u306b\u975e\u6b63\u898f\u5316\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u57fa\u672c\u8a2d\u8a08\u306f\u6b63\u898f\u5316\u3055\u308c\u305f\u3082\u306e\u306b\u3059\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n

          \n
        • \u7b2c\u4e00\u6b63\u898f\u5f62 (1NF):<\/strong>\u539f\u5b50\u6027\u3092\u78ba\u4fdd\u3059\u308b\u30021\u3064\u306e\u30bb\u30eb\u5185\u306b\u7e70\u308a\u8fd4\u3057\u30b0\u30eb\u30fc\u30d7\u3084\u914d\u5217\u304c\u3042\u3063\u3066\u306f\u306a\u3089\u306a\u3044\u3002\u3059\u3079\u3066\u306e\u5217\u306f\u5358\u4e00\u306e\u5024\u3092\u4fdd\u6301\u3059\u308b\u3079\u304d\u3067\u3042\u308b\u3002<\/li>\n
        • \u7b2c\u4e8c\u6b63\u898f\u5f62 (2NF):<\/strong>\u3059\u3079\u3066\u306e\u975e\u30ad\u30fc\u5c5e\u6027\u306f\u3001\u5b8c\u5168\u306a\u4e3b\u30ad\u30fc\u306b\u4f9d\u5b58\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u8907\u5408\u30ad\u30fc\u306e\u5834\u5408\u3001\u90e8\u5206\u7684\u4f9d\u5b58\u95a2\u4fc2\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n
        • \u7b2c\u4e09\u6b63\u898f\u5f62 (3NF):<\/strong>\u975e\u30ad\u30fc\u5c5e\u6027\u306f\u4e3b\u30ad\u30fc\u306b\u306e\u307f\u4f9d\u5b58\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u3042\u308b\u5c5e\u6027\u304c\u4ed6\u306e\u975e\u30ad\u30fc\u5c5e\u6027\u306b\u4f9d\u5b58\u3059\u308b\u3088\u3046\u306a\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u306f\u524a\u9664\u3059\u308b\u3002<\/li>\n
        • \u30dc\u30fc\u30a4\u30b9\u30fb\u30b3\u30c3\u30c9\u6b63\u898f\u5f62 (BCNF):<\/strong>3NF\u306e\u3088\u308a\u53b3\u683c\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u3002\u3059\u3079\u3066\u306e\u6c7a\u5b9a\u8981\u56e0\u304c\u5019\u88dc\u30ad\u30fc\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u3053\u308c\u306f\u8907\u96d1\u306a\u30b9\u30ad\u30fc\u30de\u306b\u304a\u3044\u3066\u7279\u306b\u91cd\u8981\u3067\u3042\u308b\u3002<\/li>\n
        • \u975e\u6b63\u898f\u5316\u306e\u30ec\u30d3\u30e5\u30fc\uff1a<\/strong>\u8a2d\u8a08\u306b\u975e\u6b63\u898f\u5316\u3055\u308c\u305f\u30c6\u30fc\u30d6\u30eb\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u3001\u5197\u9577\u6027\u304c\u610f\u56f3\u7684\u3067\u6587\u66f8\u5316\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u5197\u9577\u30c7\u30fc\u30bf\u3092\u540c\u671f\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u30c8\u30ea\u30ac\u30fc\u307e\u305f\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u3092\u8a08\u753b\u3059\u308b\u3002<\/li>\n<\/ul>\n

          5. \u540d\u524d\u4ed8\u3051\u306e\u57fa\u6e96\u3068\u53ef\u8aad\u6027 \ud83d\udcdd<\/h2>\n

          \u540d\u524d\u4ed8\u3051\u306e\u4e00\u8cab\u6027\u306f\u3001\u958b\u767a\u8005\u3084\u7ba1\u7406\u8005\u9593\u306e\u6df7\u4e71\u3092\u9632\u3050\u3002\u6df7\u4e71\u3057\u305f\u547d\u540d\u898f\u5247\u306f\u958b\u767a\u3084\u4fdd\u5b88\u4e2d\u306b\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002<\/p>\n

            \n
          • \u30b9\u30cd\u30fc\u30af\u30b1\u30fc\u30b9\u5bfe\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9\uff1a<\/strong> \u6a19\u6e96\u3092\u63a1\u7528\u3059\u308b\uff08\u4f8b\uff1asnake_case<\/code> \u306f\u30c6\u30fc\u30d6\u30eb\u7528\u3001PascalCase<\/code> \u306f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u7528\uff09\u3002\u3053\u306e\u30eb\u30fc\u30eb\u3092\u30c7\u30fc\u30bf\u8f9e\u66f8\u306b\u6587\u66f8\u5316\u3059\u308b\u3002<\/li>\n
          • \u63a5\u982d\u8f9e\u3068\u63a5\u5c3e\u8f9e\uff1a<\/strong> \u7279\u5b9a\u306e\u30c6\u30fc\u30d6\u30eb\u30bf\u30a4\u30d7\u306b\u6a19\u6e96\u7684\u306a\u63a5\u982d\u8f9e\u3092\u4f7f\u7528\u3059\u308b\u3002\u305f\u3068\u3048\u3070\u3001tbl_<\/code> \u306f\u30c6\u30fc\u30d6\u30eb\u7528\u3001v_<\/code> \u306f\u30d3\u30e5\u30fc\u7528\u3002\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u306b\u30b9\u30ad\u30fc\u30de\u3092\u675f\u7e1b\u3059\u308b\u72ec\u81ea\u306e\u63a5\u982d\u8f9e\u306f\u907f\u3051\u308b\u3002<\/li>\n
          • \u7701\u7565\u8a9e\u306e\u7ba1\u7406\uff1a<\/strong> \u7701\u7565\u8a9e\u306f\u5e83\u304f\u77e5\u3089\u308c\u305f\u696d\u754c\u6a19\u6e96\u306b\u9650\u5b9a\u3059\u308b\u3002\u3059\u3079\u3066\u306e\u7701\u7565\u8a9e\u3092\u6587\u66f8\u5316\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u3002\u5185\u90e8\u7528\u8a9e\u3092\u907f\u3051\u308b\u3002<\/li>\n
          • \u4e00\u8cab\u3057\u305f\u5c5e\u6027\u540d\uff1a<\/strong> \u540c\u3058\u610f\u5473\u3092\u6301\u3064\u5c5e\u6027\u304c\u30c6\u30fc\u30d6\u30eb\u9593\u3067\u4e00\u8cab\u3057\u305f\u540d\u524d\u3092\u6301\u3064\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\uff08\u4f8b\uff1acreated_at<\/code> \u5bfe \u4f5c\u6210\u65e5<\/code>\uff09\u3002\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u4e00\u3064\u306b\u7d71\u4e00\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n

            6. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u8003\u616e\u4e8b\u9805 \ud83d\ude80<\/h2>\n

            ERD\u306f\u4e3b\u306b\u8ad6\u7406\u7684\u3067\u3042\u308b\u304c\u3001\u7269\u7406\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u8003\u616e\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u8ca0\u8377\u3092\u51e6\u7406\u3067\u304d\u306a\u3044\u7f8e\u3057\u3044\u8a2d\u8a08\u306f\u3001\u5931\u6557\u3057\u305f\u8a2d\u8a08\u3067\u3042\u308b\u3002<\/p>\n

              \n
            • \u5916\u90e8\u30ad\u30fc\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\uff1a<\/strong>\u5916\u90e8\u30ad\u30fc\u306f\u307b\u307c\u5e38\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u3059\u3079\u304d\u3067\u3042\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u7d50\u5408\u51e6\u7406\u3084\u53c2\u7167\u6574\u5408\u6027\u306e\u7dad\u6301\u304c\u9ad8\u901f\u5316\u3059\u308b\u3002ERD\u306b\u5916\u90e8\u30ad\u30fc\u5217\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n
            • \u691c\u7d22\u7528\u30ab\u30e9\u30e0\uff1a<\/strong> \u691c\u7d22\u6761\u4ef6\u3084\u7d50\u5408\u6761\u4ef6\u3067\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u30ab\u30e9\u30e0\u3092\u7279\u5b9a\u3059\u308bWHERE<\/code> \u53e5\u3084JOIN<\/code> \u6761\u4ef6\u306b\u4f7f\u7528\u3055\u308c\u308b\u30ab\u30e9\u30e0\u3092\u7279\u5b9a\u3057\u3001\u8a2d\u8a08\u8a08\u753b\u3067\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n
            • \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u6226\u7565\uff1a<\/strong> \u5927\u304d\u306a\u30c6\u30fc\u30d6\u30eb\u306e\u5834\u5408\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u30ad\u30fc\u3092\u691c\u8a0e\u3059\u308b\u3002ERD\u306f\u3001\u30c7\u30fc\u30bf\u306e\u5206\u6563\u3092\u6c7a\u5b9a\u3059\u308b\u30ab\u30e9\u30e0\u3092\u5f37\u8abf\u8868\u793a\u3059\u3079\u304d\u3067\u3042\u308b\u3002<\/li>\n
            • \u904e\u5270\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u3092\u907f\u3051\u308b\uff1a<\/strong> \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u591a\u3044\u307b\u3069\u66f8\u304d\u8fbc\u307f\u304c\u9045\u304f\u306a\u308b\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u672c\u5f53\u306b\u5fc5\u8981\u3067\u3001\u91cd\u8907\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u691c\u8a3c\u3059\u308b\u3002<\/li>\n<\/ul>\n

              7. \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5316\u3068\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406 \ud83d\udcc2<\/h2>\n

              \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u306a\u3044\u30e2\u30c7\u30eb\u306f\u30ea\u30b9\u30af\u3067\u3042\u308b\u3002ERD\u306f\u30b7\u30b9\u30c6\u30e0\u3068\u5171\u306b\u9032\u5316\u3059\u308b\u52d5\u7684\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u3057\u3066\u6271\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n

                \n
              • \u30c7\u30fc\u30bf\u8f9e\u66f8\uff1a<\/strong> \u3059\u3079\u3066\u306e\u30c6\u30fc\u30d6\u30eb\u304a\u3088\u3073\u30ab\u30e9\u30e0\u306b\u5bfe\u3057\u3066\u8a73\u7d30\u306a\u8aac\u660e\u3092\u7dad\u6301\u3059\u308b\u3002\u30d3\u30b8\u30cd\u30b9\u5b9a\u7fa9\u3001\u30c7\u30fc\u30bf\u578b\u3001\u5236\u7d04\u3092\u542b\u3081\u308b\u3002<\/li>\n
              • \u5909\u66f4\u5c65\u6b74\uff1a<\/strong> \u30b9\u30ad\u30fc\u30de\u306e\u3059\u3079\u3066\u306e\u5909\u66f4\u3092\u8a18\u9332\u3059\u308b\u3002\u65e5\u4ed8\u3001\u4f5c\u6210\u8005\u3001\u5909\u66f4\u306e\u7406\u7531\u3092\u8a18\u9332\u3059\u308b\u3002\u3053\u308c\u306f\u30c7\u30d0\u30c3\u30b0\u3084\u76e3\u67fb\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/li>\n
              • \u8996\u899a\u7684\u660e\u78ba\u6027\uff1a<\/strong> \u56f3\u9762\u304c\u8aad\u307f\u3084\u3059\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u53ef\u80fd\u306a\u9650\u308a\u7dda\u306e\u4ea4\u5dee\u3092\u907f\u3051\u308b\u3002\u8ad6\u7406\u7684\u306a\u30c9\u30e1\u30a4\u30f3\u3092\u5206\u96e2\u3059\u308b\u305f\u3081\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n
              • \u30d0\u30fc\u30b8\u30e7\u30f3\u30bf\u30b0\uff1a<\/strong> ERD\u81ea\u4f53\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\u3092\u4ed8\u4e0e\u3059\u308b\u3002\u30a2\u30fc\u30ab\u30a4\u30d6\u305b\u305a\u306b\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4e0a\u66f8\u304d\u3057\u306a\u3044\u3053\u3068\u3002<\/li>\n<\/ul>\n

                \u691c\u8a3c\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u8981\u7d04 \ud83d\udccb<\/h2>\n

                \u30b9\u30ad\u30fc\u30de\u3092\u672c\u756a\u74b0\u5883\u306b\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u524d\u306b\u3001\u691c\u8a3c\u306e\u9032\u6357\u3092\u8ffd\u8de1\u3059\u308b\u305f\u3081\u306b\u3053\u306e\u8868\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                \u30ab\u30c6\u30b4\u30ea<\/th>\n\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/th>\n\u30b9\u30c6\u30fc\u30bf\u30b9<\/th>\n\u30e1\u30e2<\/th>\n<\/tr>\n<\/thead>\n
                \u69cb\u9020<\/td>\n\u3059\u3079\u3066\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u4e3b\u30ad\u30fc\u304c\u3042\u308a\u307e\u3059<\/td>\n\u2610<\/td>\n<\/td>\n<\/tr>\n
                \u69cb\u9020<\/td>\n\u4e3b\u30ad\u30fc\u306fNULL\u3092\u8a31\u53ef\u3057\u307e\u305b\u3093<\/td>\n\u2610<\/td>\n<\/td>\n<\/tr>\n
                \u30ad\u30fc<\/td>\n\u5916\u90e8\u30ad\u30fc\u306f\u89aa\u306e\u4e3b\u30ad\u30fc\u3068\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059<\/td>\n\u2610<\/td>\n<\/td>\n<\/tr>\n
                \u30ad\u30fc<\/td>\n\u53c2\u7167\u52d5\u4f5c\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059<\/td>\n\u2610<\/td>\n<\/td>\n<\/tr>\n
                \u95a2\u4fc2<\/td>\nM:N\u306f\u7d50\u5408\u30c6\u30fc\u30d6\u30eb\u306b\u89e3\u6c7a\u3055\u308c\u3066\u3044\u307e\u3059<\/td>\n\u2610<\/td>\n<\/td>\n<\/tr>\n
                \u95a2\u4fc2<\/td>\n\u57fa\u6570\uff08\u6700\u5c0f\/\u6700\u5927\uff09\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059<\/td>\n\u2610<\/td>\n<\/td>\n<\/tr>\n
                \u6b63\u898f\u5316<\/td>\n\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u304c\u3042\u308a\u307e\u305b\u3093<\/td>\n\u2610<\/td>\n<\/td>\n<\/tr>\n
                \u6b63\u898f\u5316<\/td>\n\u539f\u5b50\u5024\uff081NF\uff09<\/td>\n\u2610<\/td>\n<\/td>\n<\/tr>\n
                \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/td>\n\u5916\u90e8\u30ad\u30fc\u306e\u5217\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u3055\u308c\u3066\u3044\u307e\u3059<\/td>\n\u2610<\/td>\n<\/td>\n<\/tr>\n
                \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/td>\n\u30ab\u30e9\u30e0\u306e\u8aac\u660e\u304c\u5b58\u5728\u3059\u308b<\/td>\n\u2610<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                \u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74\u3068\u30a8\u30e9\u30fc \u26a0\ufe0f<\/h2>\n

                \u56f3\u306e\u6574\u5408\u6027\u3092\u640d\u306a\u3046\u3053\u308c\u3089\u306e\u4e00\u822c\u7684\u306a\u30df\u30b9\u3092\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n\n\n\n\n\n\n
                \u30a8\u30e9\u30fc\u306e\u7a2e\u985e<\/th>\n\u8aac\u660e<\/th>\n\u5f71\u97ff<\/th>\n<\/tr>\n<\/thead>\n
                FK\u306e\u6b20\u843d<\/td>\n\u8996\u899a\u7684\u306b\u95a2\u4fc2\u306f\u5b58\u5728\u3059\u308b\u304c\u3001DB\u306b\u306f\u5236\u7d04\u304c\u306a\u3044<\/td>\n\u5b64\u7acb\u3057\u305f\u30ec\u30b3\u30fc\u30c9\u3001\u30c7\u30fc\u30bf\u306e\u7834\u640d<\/td>\n<\/tr>\n
                \u5197\u9577\u306aPK<\/td>\n\u660e\u78ba\u306a\u9078\u629e\u304c\u306a\u3044\u8907\u6570\u306e\u5019\u88dc\u30ad\u30fc<\/td>\n\u6df7\u4e71\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c<\/td>\n<\/tr>\n
                \u5faa\u74b0\u4f9d\u5b58<\/td>\n\u30c6\u30fc\u30d6\u30ebA\u304cB\u3092\u53c2\u7167\u3057\u3001B\u304cA\u3092\u53c2\u7167\u3057\u3001A\u304cB\u3092\u53c2\u7167\u3059\u308b<\/td>\n\u30c7\u30d7\u30ed\u30a4\u5931\u6557\u3001\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306e\u30ea\u30b9\u30af<\/td>\n<\/tr>\n
                \u6697\u9ed9\u306e\u95a2\u4fc2<\/td>\n\u8ad6\u7406\u306f\u793a\u5506\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u660e\u793a\u7684\u306b\u30e2\u30c7\u30eb\u5316\u3055\u308c\u3066\u3044\u306a\u3044<\/td>\n\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30a8\u30e9\u30fc\u3001\u66d6\u6627\u306a\u30c7\u30fc\u30bf<\/td>\n<\/tr>\n
                \u904e\u5270\u306a\u57fa\u6570<\/td>\n1:N\u3067\u3042\u308b\u95a2\u4fc2\u304c1:1\u3068\u3057\u3066\u30de\u30fc\u30af\u3055\u308c\u3066\u3044\u308b<\/td>\n\u30c7\u30fc\u30bf\u640d\u5931\u3001\u8907\u6570\u306e\u5024\u3092\u683c\u7d0d\u3067\u304d\u306a\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                \u5b9f\u88c5\u3068\u30c6\u30b9\u30c8\u6226\u7565 \ud83e\uddea<\/h2>\n

                \u691c\u8a3c\u306f\u56f3\u306e\u6bb5\u968e\u3067\u7d42\u308f\u308b\u3082\u306e\u3067\u306f\u306a\u3044\u3002\u5b9f\u88c5\u30d5\u30a7\u30fc\u30ba\u306b\u307e\u3067\u7d9a\u304d\u307e\u3059\u3002<\/p>\n

                  \n
                • \u30b9\u30ad\u30fc\u30de\u751f\u6210\uff1a<\/strong> ERD\u3092\u4f7f\u3063\u3066DDL\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u751f\u6210\u3059\u308b\u3002\u751f\u6210\u3055\u308c\u305fSQL\u3092\u624b\u52d5\u3067\u78ba\u8a8d\u3059\u308b\u3002\u81ea\u52d5\u5316\u30c4\u30fc\u30eb\u306f\u30a8\u30e9\u30fc\u3084\u4eee\u5b9a\u3092\u5c0e\u5165\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n
                • \u30c7\u30fc\u30bf\u79fb\u884c\u30c6\u30b9\u30c8\uff1a<\/strong>\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u3063\u3066\u30b9\u30ad\u30fc\u30de\u3092\u30c6\u30b9\u30c8\u3059\u308b\u3002\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u304f\u8aad\u307f\u8fbc\u307e\u308c\u3001\u95a2\u4fc2\u304c\u7dad\u6301\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n
                • \u5236\u7d04\u306e\u9069\u7528\uff1a<\/strong> \u5236\u7d04\u3092\u610f\u56f3\u7684\u306b\u9055\u53cd\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u66f8\u304f\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u60f3\u5b9a\u901a\u308a\u306b\u30c7\u30fc\u30bf\u3092\u62d2\u5426\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n
                • \u7d50\u5408\u30c6\u30b9\u30c8\uff1a<\/strong> \u8907\u96d1\u306a\u7d50\u5408\u3092\u5b9f\u884c\u3057\u3066\u3001\u95a2\u4fc2\u6027\u304c\u6b63\u3057\u3044\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u8fd4\u3059\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u6b20\u843d\u3057\u305f\u5236\u7d04\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u30c7\u30ab\u30eb\u30c8\u7a4d\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n
                • \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\uff1a<\/strong> \u672c\u756a\u5c55\u958b\u524d\u306b\u3001\u30b9\u30ad\u30fc\u30de\u306b\u5bfe\u3057\u3066\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u3066\u3001\u6b20\u843d\u3057\u3066\u3044\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3084\u975e\u52b9\u7387\u306a\u7d50\u5408\u30d1\u30b9\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n<\/ul>\n

                  \u7d99\u7d9a\u7684\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9 \ud83d\udd04<\/h2>\n

                  \u691c\u8a3c\u3055\u308c\u305fERD\u306f\u4e00\u5ea6\u9650\u308a\u306e\u6210\u679c\u7269\u3067\u306f\u306a\u3044\u3002\u30d3\u30b8\u30cd\u30b9\u30cb\u30fc\u30ba\u304c\u5909\u5316\u3059\u308b\u4e2d\u3067\u7d99\u7d9a\u7684\u306a\u6ce8\u610f\u3092\u8981\u3059\u308b\u3002<\/p>\n

                    \n
                  • \u30ec\u30d3\u30e5\u30fc\u5468\u671f\uff1a<\/strong> \u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3068\u5b9a\u671f\u7684\u306a\u30b9\u30ad\u30fc\u30de\u30ec\u30d3\u30e5\u30fc\u3092\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3059\u308b\u3002\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306f\u5909\u5316\u3059\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3082\u305d\u308c\u306b\u9069\u5fdc\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n
                  • \u975e\u63a8\u5968\u5316\uff1a<\/strong> \u524a\u9664\u3059\u308b\u524d\u306b\u3001\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u30c6\u30fc\u30d6\u30eb\u3084\u30ab\u30e9\u30e0\u3092\u975e\u63a8\u5968\u3068\u3057\u3066\u30de\u30fc\u30af\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4f9d\u5b58\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u7834\u58ca\u7684\u5909\u66f4\u304c\u751f\u3058\u308b\u306e\u3092\u9632\u3050\u3002<\/li>\n
                  • \u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u30eb\u30fc\u30d7\uff1a<\/strong> API\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3092\u4f7f\u7528\u3059\u308b\u958b\u767a\u8005\u304b\u3089\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u53ce\u96c6\u3059\u308b\u3002\u5f7c\u3089\u306f\u56f3\u9762\u3067\u306f\u898b\u3048\u306a\u3044\u8ad6\u7406\u7684\u306a\u7a74\u3092\u3057\u3070\u3057\u3070\u767a\u898b\u3059\u308b\u3002<\/li>\n
                  • \u76e3\u67fb\u30ed\u30b0\uff1a<\/strong> \u654f\u611f\u306a\u30c6\u30fc\u30d6\u30eb\u306b\u76e3\u67fb\u3092\u6709\u52b9\u306b\u3059\u308b\u3002\u8ab0\u304c\u3044\u3064\u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3057\u305f\u304b\u3092\u8ffd\u8de1\u3059\u308b\u3002<\/li>\n<\/ul>\n

                    \u6280\u8853\u57fa\u6e96\u3068\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9 \ud83d\udee1\ufe0f<\/h2>\n

                    \u696d\u7a2e\u306b\u3088\u3063\u3066\u306f\u3001\u7279\u5b9a\u306e\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u57fa\u6e96\u304cERD\u306e\u69cb\u9020\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/p>\n

                      \n
                    • \u30c7\u30fc\u30bf\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\uff1a<\/strong> \u500b\u4eba\u3092\u7279\u5b9a\u3067\u304d\u308b\u60c5\u5831\uff08PII\uff09\u304c\u9069\u5207\u306b\u6271\u308f\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u6697\u53f7\u5316\u307e\u305f\u306f\u30c8\u30fc\u30af\u30f3\u5316\u306e\u6226\u7565\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n
                    • \u4fdd\u6301\u30dd\u30ea\u30b7\u30fc\uff1a<\/strong> \u30c7\u30fc\u30bf\u4fdd\u6301\u304a\u3088\u3073\u30a2\u30fc\u30ab\u30a4\u30d6\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u30c6\u30fc\u30d6\u30eb\u3092\u8a2d\u8a08\u3059\u308b\u3002\u4fdd\u6301\u65e5\u4ed8\u7528\u306e\u30ab\u30e9\u30e0\u3092\u542b\u3081\u308b\u3002<\/li>\n
                    • \u76e3\u67fb\u30c8\u30ec\u30fc\u30eb\uff1a<\/strong> \u3059\u3079\u3066\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30c6\u30fc\u30d6\u30eb\u306b\u5909\u66f4\u3092\u8ffd\u8de1\u3059\u308b\u4ed5\u7d44\u307f\u304c\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\uff08\u4f8b\uff1aupdated_by<\/code>, updated_at<\/code>).<\/li>\n
                    • \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u6226\u7565\uff1a<\/strong> \u30b9\u30ad\u30fc\u30de\u8a2d\u8a08\u306f\u6642\u70b9\u5fa9\u65e7\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u3079\u304d\u3067\u3042\u308b\u3002\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u304c\u4e0d\u53ef\u80fd\u306b\u306a\u308b\u8a2d\u8a08\u3092\u907f\u3051\u308b\u3002<\/li>\n<\/ul>\n

                      \u6574\u5408\u6027\u306b\u95a2\u3059\u308b\u6700\u7d42\u7684\u306a\u8003\u5bdf \ud83c\udfaf<\/h2>\n

                      \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306e\u691c\u8a3c\u306f\u3001\u6280\u8853\u7684\u306a\u6b63\u78ba\u3055\u3068\u30d3\u30b8\u30cd\u30b9\u7406\u89e3\u3092\u878d\u5408\u3055\u305b\u308b\u5b66\u554f\u3067\u3059\u3002\u5fcd\u8010\u529b\u3001\u5fb9\u5e95\u6027\u3001\u305d\u3057\u3066\u4eee\u5b9a\u3092\u7591\u3046\u610f\u5fd7\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u8005\u306f\u57fa\u76e4\u3068\u306a\u308b\u30c7\u30fc\u30bf\u30a4\u30f3\u30d5\u30e9\u304c\u5065\u5168\u3067\u4fe1\u983c\u6027\u304c\u3042\u308a\u3001\u73fe\u4ee3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u6c42\u306b\u8010\u3048\u3046\u308b\u72b6\u614b\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n

                      \u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306e\u6574\u5408\u6027\u304c\u3001\u30c7\u30fc\u30bf\u305d\u306e\u3082\u306e\u306e\u6574\u5408\u6027\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u56f3\u9762\u306b\u6b20\u9665\u304c\u3042\u308b\u306a\u3089\u3070\u3001\u5efa\u7269\u306f\u5b89\u5168\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3059\u3079\u3066\u306e\u95a2\u4fc2\u3001\u3059\u3079\u3066\u306e\u30ad\u30fc\u3001\u3059\u3079\u3066\u306e\u5236\u7d04\u3092\u691c\u8a3c\u3059\u308b\u6642\u9593\u3092\u78ba\u4fdd\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u521d\u671f\u306e\u6295\u8cc7\u306b\u3088\u308a\u3001\u5c06\u6765\u306e\u5927\u304d\u306a\u6280\u8853\u7684\u8ca0\u50b5\u3084\u904b\u7528\u4e0a\u306e\u554f\u984c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u9069\u5207\u306b\u691c\u8a3c\u3055\u308c\u305fERD\u306f\u3001\u5f37\u976d\u306a\u30c7\u30fc\u30bf\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u7b2c\u4e00\u6b69\u3067\u3059\u3002<\/p>\n

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