![\"Chibi-style](\"https:\/\/www.viz-note.com\/wp-content\/uploads\/2026\/04\/foreign-keys-erd-performance-chibi-infographic.jpg\"\/)
<\/figure>\n<\/div>\n\u5916\u90e8\u30ad\u30fc\u306e\u57fa\u672c\u6a5f\u80fd\u3092\u7406\u89e3\u3059\u308b \u2699\ufe0f<\/h2>\n
\u5916\u90e8\u30ad\u30fc\u3068\u306f\u3001\u3042\u308b\u30c6\u30fc\u30d6\u30eb\u306e\u30ab\u30e9\u30e0\u3092\u5225\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u306b\u30ea\u30f3\u30af\u3059\u308b\u5236\u7d04\u3067\u3042\u308b\u3002\u3053\u306e\u30ea\u30f3\u30af\u306b\u3088\u308a\u53c2\u7167\u6574\u5408\u6027\u304c\u78ba\u4fdd\u3055\u308c\u3001\u5b50\u30c6\u30fc\u30d6\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u89aa\u30c6\u30fc\u30d6\u30eb\u306e\u65e2\u5b58\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u5236\u7d04\u306e\u5b9f\u88c5\u306b\u306f\u8a08\u7b97\u30b3\u30b9\u30c8\u304c\u4f34\u3046\u3002<\/p>\n
\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u89b3\u70b9\u304b\u3089\u898b\u308b\u3068\u3001\u5916\u90e8\u30ad\u30fc\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u306b\u5bfe\u3059\u308b\u30b7\u30b0\u30ca\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3002\u95a2\u4fc2\u6027\u306e\u5b58\u5728\u3092\u30af\u30a8\u30ea\u30d7\u30e9\u30f3\u30ca\u30fc\u306b\u901a\u77e5\u3057\u3001\u30b8\u30e7\u30a4\u30f3\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u3057\u304b\u3057\u540c\u6642\u306b\u3001\u30c7\u30fc\u30bf\u64cd\u4f5c\u6642\u306b\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002<\/p>\n
- \n
- \u633f\u5165\u64cd\u4f5c\uff1a<\/strong> \u5b50\u30c6\u30fc\u30d6\u30eb\u306b\u65b0\u3057\u3044\u884c\u3092\u8ffd\u52a0\u3059\u308b\u969b\u3001\u30a8\u30f3\u30b8\u30f3\u306f\u53c2\u7167\u3055\u308c\u308b\u89aa\u30ad\u30fc\u304c\u5b58\u5728\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n
- \u524a\u9664\u64cd\u4f5c\uff1a<\/strong> \u89aa\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u884c\u3092\u524a\u9664\u3059\u308b\u969b\u3001\u4f9d\u5b58\u3059\u308b\u5b50\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u30ab\u30b9\u30b1\u30fc\u30c9\u66f4\u65b0\u3084\u30c1\u30a7\u30c3\u30af\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3002<\/li>\n
- \u66f4\u65b0\u64cd\u4f5c\uff1a<\/strong> \u89aa\u30c6\u30fc\u30d6\u30eb\u306e\u4e3b\u30ad\u30fc\u3092\u5909\u66f4\u3059\u308b\u306b\u306f\u3001\u5b50\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u5916\u90e8\u30ad\u30fc\u53c2\u7167\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n
\u3053\u308c\u3089\u306e\u30c1\u30a7\u30c3\u30af\u306f\u5373\u6642\u3067\u306f\u306a\u3044\u30022\u3064\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u540c\u6642\u306b\u95a2\u9023\u30c7\u30fc\u30bf\u3092\u5909\u66f4\u3057\u3088\u3046\u3068\u3059\u308b\u7af6\u5408\u72b6\u614b\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u30ed\u30c3\u30af\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u5fc5\u8981\u3068\u306a\u308b\u3002\u305d\u306e\u7d50\u679c\u3001ERD\u5185\u306e\u5916\u90e8\u30ad\u30fc\u306e\u5bc6\u5ea6\u306f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u306e\u8907\u96d1\u3055\u3068\u76f4\u63a5\u76f8\u95a2\u3059\u308b\u3002<\/p>\n
\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19\uff1a\u8aad\u307f\u8fbc\u307f\u3068\u66f8\u304d\u8fbc\u307f\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306e\u6bd4\u8f03 \ud83d\udcca<\/h2>\n
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u3059\u3079\u3066\u306e\u64cd\u4f5c\u306b\u304a\u3044\u3066\u5747\u4e00\u3067\u3042\u308b\u3053\u3068\u306f\u7a00\u3067\u3042\u308b\u3002\u5916\u90e8\u30ad\u30fc\u306f\u8aad\u307f\u8fbc\u307f\u3068\u66f8\u304d\u8fbc\u307f\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u306b\u7570\u306a\u308b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3002\u3053\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30b9\u30ad\u30fc\u30de\u8a2d\u8a08\u306e\u6700\u9069\u5316\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/p>\n
1. \u8aad\u307f\u8fbc\u307f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\uff08\u30af\u30a8\u30ea\u5b9f\u884c\uff09<\/h3>\n
2\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u7d50\u5408\u3059\u308b\u30af\u30a8\u30ea\u304c\u767a\u884c\u3055\u308c\u308b\u969b\u3001\u5916\u90e8\u30ad\u30fc\u95a2\u4fc2\u304c\u5b58\u5728\u3059\u308b\u3068\u6700\u9069\u5316\u30a8\u30f3\u30b8\u30f3\u304c\u652f\u63f4\u3055\u308c\u308b\u3002\u7d71\u8a08\u60c5\u5831\u304c\u7dad\u6301\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30a8\u30f3\u30b8\u30f3\u306f\u7d50\u5408\u306e\u57fa\u6570\u3092\u3088\u308a\u6b63\u78ba\u306b\u63a8\u5b9a\u3067\u304d\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3088\u308a\u826f\u3044\u5b9f\u884c\u8a08\u753b\u304c\u5f97\u3089\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/p>\n
- \n
- \u30b8\u30e7\u30a4\u30f3\u6700\u9069\u5316\uff1a<\/strong> \u30af\u30a8\u30ea\u30d7\u30e9\u30f3\u30ca\u30fc\u306f\u3001\u65e2\u77e5\u306e\u57fa\u6570\u5236\u7d04\u306b\u57fa\u3065\u3044\u3066\u30cf\u30c3\u30b7\u30e5\u30b8\u30e7\u30a4\u30f3\u3084\u30de\u30fc\u30b8\u30b8\u30e7\u30a4\u30f3\u3092\u9078\u629e\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n
- \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5229\u7528\uff1a<\/strong> \u5916\u90e8\u30ad\u30fc\u306f\u3057\u3070\u3057\u3070\u5b50\u30c6\u30fc\u30d6\u30eb\u306e\u30ab\u30e9\u30e0\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f5c\u6210\u3092\u4fc3\u3059\u3002\u3053\u308c\u3089\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u30b8\u30e7\u30a4\u30f3\u6642\u306e\u691c\u7d22\u3092\u9ad8\u901f\u5316\u3059\u308b\u3002<\/li>\n
- \u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387\uff1a<\/strong>\u9069\u5207\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u3055\u308c\u305f\u5916\u90e8\u30ad\u30fc\u306f\u3001\u30e1\u30e2\u30ea\u304b\u3089\u306e\u30da\u30fc\u30b8\u8aad\u307f\u53d6\u308a\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u884c\u3048\u308b\u305f\u3081\u3001\u30c7\u30a3\u30b9\u30afI\/O\u3092\u524a\u6e1b\u3059\u308b\u3002<\/li>\n<\/ul>\n
2. \u66f8\u304d\u8fbc\u307f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\uff08\u30c7\u30fc\u30bf\u64cd\u4f5c\uff09<\/h3>\n
\u66f8\u304d\u8fbc\u307f\u3067\u306f\u5916\u90e8\u30ad\u30fc\u304c\u9855\u8457\u306a\u9045\u5ef6\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002\u3059\u3079\u3066\u306e\u633f\u5165\u3084\u66f4\u65b0\u306f\u5236\u7d04\u306e\u691c\u8a3c\u3092\u5fc5\u8981\u3068\u3059\u308b\u3002<\/p>\n
- \n
- \u691c\u7d22\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\uff1a<\/strong> \u30b7\u30b9\u30c6\u30e0\u306f\u89aa\u30c6\u30fc\u30d6\u30eb\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u691c\u7d22\u3057\u3066\u30ad\u30fc\u306e\u5b58\u5728\u3092\u78ba\u8a8d\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u3059\u3079\u3066\u306e\u66f8\u304d\u8fbc\u307f\u306b\u8aad\u307f\u53d6\u308a\u64cd\u4f5c\u304c\u8ffd\u52a0\u3055\u308c\u308b\u3002<\/li>\n
- \u30ab\u30b9\u30b1\u30fc\u30c9\u30b3\u30b9\u30c8\uff1a<\/strong> \u30ab\u30b9\u30b1\u30fc\u30c9\u524a\u9664\u3084\u66f4\u65b0\u304c\u6709\u52b9\u306a\u5834\u5408\u3001\u89aa\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u3059\u308b1\u3064\u306e\u64cd\u4f5c\u304c\u8907\u6570\u306e\u5b50\u30c6\u30fc\u30d6\u30eb\u306b\u66f4\u65b0\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n
- \u30ed\u30c3\u30af\u7af6\u5408\uff1a<\/strong>\u5916\u90e8\u30ad\u30fc\u306f\u884c\u306e\u9593\u306b\u4f9d\u5b58\u95a2\u4fc2\u3092\u4f5c\u6210\u3057\u307e\u3059\u30022\u3064\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u540c\u3058\u89aa\u306b\u633f\u5165\u3057\u3088\u3046\u3068\u3059\u308b\u5834\u5408\u3001\u6574\u5408\u6027\u30c1\u30a7\u30c3\u30af\u306e\u5b8c\u4e86\u3092\u5f85\u3064\u305f\u3081\u306b\u304a\u4e92\u3044\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n
\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u306e\u95a2\u4fc2 \ud83d\udd17<\/h2>\n
\u6700\u3082\u4e00\u822c\u7684\u306a\u8aa4\u89e3\u306e\u4e00\u3064\u306f\u3001\u5916\u90e8\u30ad\u30fc\u304c\u81ea\u52d5\u7684\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3042\u308b\u3002\u591a\u304f\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u3067\u306f\u3001\u3053\u308c\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u52d5\u4f5c\u3067\u306f\u306a\u3044\u3002\u3057\u304b\u3057\u3001\u5b50\u5217\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u306a\u3044\u5916\u90e8\u30ad\u30fc\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3068\u306a\u308b\u3002<\/p>\n
\u5916\u90e8\u30ad\u30fc\u5217\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u306a\u3044\u5834\u5408:<\/p>\n
- \n
- \u633f\u5165\u6642\u306b\u89aa\u30ad\u30fc\u306e\u5b58\u5728\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u30d5\u30eb\u30c6\u30fc\u30d6\u30eb\u30b9\u30ad\u30e3\u30f3\u3092\u5b9f\u884c\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n
- \u89aa\u30c6\u30fc\u30d6\u30eb\u3068\u5b50\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u7d50\u5408\u64cd\u4f5c\u306f\u8457\u3057\u304f\u9045\u304f\u306a\u308a\u3001\u3057\u3070\u3057\u3070\u30cd\u30b9\u30c8\u30c9\u30fb\u30eb\u30fc\u30d7\u7d50\u5408\u306b\u983c\u308b\u3053\u3068\u306b\u306a\u308b\u3002<\/li>\n
- \u53c2\u7167\u6574\u5408\u6027\u306e\u30c1\u30a7\u30c3\u30af\u306f\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304c\u5927\u304d\u304f\u306a\u308b\u306b\u3064\u308c\u3066\u9ad8\u30b3\u30b9\u30c8\u306b\u306a\u308b\u3002<\/li>\n<\/ul>\n
\u9006\u306b\u3001\u5916\u90e8\u30ad\u30fc\u5217\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8ffd\u52a0\u3059\u308b\u3068\u3053\u308c\u3089\u306e\u554f\u984c\u306f\u89e3\u6c7a\u3055\u308c\u308b\u304c\u3001\u305d\u308c\u81ea\u4f53\u306b\u5225\u306e\u30b3\u30b9\u30c8\u304c\u751f\u3058\u308b:<\/p>\n
- \n
- \u30b9\u30c8\u30ec\u30fc\u30b8\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9:<\/strong>\u3059\u3079\u3066\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u30c7\u30a3\u30b9\u30af\u9818\u57df\u3068\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u3002<\/li>\n
- \u66f8\u304d\u8fbc\u307f\u306e\u9045\u5ef6:<\/strong>\u884c\u304c\u633f\u5165\u3001\u66f4\u65b0\u3001\u307e\u305f\u306f\u524a\u9664\u3055\u308c\u308b\u305f\u3073\u306b\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u5909\u66f4\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n
- \u30d5\u30e9\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3:<\/strong>\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u30d5\u30e9\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u4f5c\u696d\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002<\/li>\n<\/ul>\n
\u8868: \u5916\u90e8\u30ad\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u306e\u5f71\u97ff<\/h3>\n
\n\n
\n \n\u8981\u56e0<\/th>\n \u5916\u90e8\u30ad\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306a\u3057<\/th>\n \u5916\u90e8\u30ad\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3042\u308a<\/th>\n<\/tr>\n<\/thead>\n \n \u633f\u5165\u901f\u5ea6<\/strong><\/td>\n \u9045\u3044\uff08\u30d5\u30eb\u30b9\u30ad\u30e3\u30f3\u30c1\u30a7\u30c3\u30af\uff09<\/td>\n \u901f\u3044\uff08\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u691c\u7d22\uff09<\/td>\n<\/tr>\n \n \u7d50\u5408\u901f\u5ea6<\/strong><\/td>\n \u9045\u3044\uff08\u30cd\u30b9\u30c8\u30c9\u30fb\u30eb\u30fc\u30d7\uff09<\/td>\n \u901f\u3044\uff08\u30cf\u30c3\u30b7\u30e5\u7d50\u5408\uff0f\u30de\u30fc\u30b8\u7d50\u5408\uff09<\/td>\n<\/tr>\n \n \u30b9\u30c8\u30ec\u30fc\u30b8\u4f7f\u7528\u91cf<\/strong><\/td>\n \u4f4e<\/td>\n \u9ad8<\/td>\n<\/tr>\n \n \u66f4\u65b0\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/strong><\/td>\n \u4f4e<\/td>\n \u9ad8\uff08\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n ERD\u306e\u53ef\u8996\u5316\u3068\u8907\u96d1\u6027 \ud83c\udfa8<\/h2>\n
ERD\u306f\u958b\u767a\u8005\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u3001\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u9593\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u30c4\u30fc\u30eb\u3067\u3059\u3002\u5916\u90e8\u30ad\u30fc\u306e\u5bc6\u5ea6\u306f\u56f3\u306e\u53ef\u8aad\u6027\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u95a2\u4fc2\u304c\u591a\u3059\u304e\u308b\u3068\u56f3\u304c\u3054\u3061\u3083\u3054\u3061\u3083\u306b\u306a\u308a\u3001\u6838\u5fc3\u7684\u306a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u304c\u898b\u3048\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
1. \u8996\u899a\u7684\u306a\u3054\u3061\u3083\u3054\u3061\u3083<\/h3>\n
\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u591a\u304f\u306e\u51fa\u529b\u307e\u305f\u306f\u5165\u529b\u306e\u5916\u90e8\u30ad\u30fc\u304c\u3042\u308b\u3068\u3001\u305d\u308c\u3089\u3092\u3064\u306a\u3050\u7dda\u304c\u300c\u30b9\u30d1\u30b2\u30c3\u30c6\u30a3\u56f3\u300d\u306e\u3088\u3046\u306a\u52b9\u679c\u3092\u751f\u3058\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u30eb\u30fc\u30c8\u3092\u8ffd\u8de1\u3057\u305f\u308a\u3001\u7279\u5b9a\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u6838\u5fc3\u7684\u306a\u4f9d\u5b58\u95a2\u4fc2\u3092\u7406\u89e3\u3057\u305f\u308a\u3059\u308b\u306e\u304c\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
- \n
- \u7dda\u306e\u4ea4\u5dee\uff1a<\/strong>\u95a2\u4fc2\u304c\u591a\u3059\u304e\u308b\u3068\u7dda\u304c\u4ea4\u5dee\u3057\u3001\u898b\u3084\u3059\u3055\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n
- \u30ce\u30fc\u30c9\u306e\u30b5\u30a4\u30ba\uff1a<\/strong>\u95a2\u4fc2\u304c\u591a\u3044\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u3001\u3088\u308a\u5927\u304d\u306a\u30d0\u30a6\u30f3\u30c7\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u3092\u5fc5\u8981\u3068\u3057\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u5bfe\u79f0\u6027\u3092\u4e71\u3057\u307e\u3059\u3002<\/li>\n
- \u89e3\u91c8\u306b\u304b\u304b\u308b\u6642\u9593\uff1a<\/strong>\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u30e2\u30c7\u30eb\u306e\u89e3\u8aad\u306b\u591a\u304f\u306e\u6642\u9593\u3092\u8cbb\u3084\u3059\u305f\u3081\u3001\u30ed\u30b8\u30c3\u30af\u306e\u5b9f\u88c5\u306b\u6642\u9593\u3092\u5272\u3051\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n
2. \u8ad6\u7406\u30e2\u30c7\u30eb\u3068\u7269\u7406\u30e2\u30c7\u30eb<\/h3>\n
\u8ad6\u7406ERD\u3068\u7269\u7406\u30b9\u30ad\u30fc\u30de\u3092\u533a\u5225\u3059\u308b\u3053\u3068\u304c\u3057\u3070\u3057\u3070\u5fc5\u8981\u3067\u3059\u3002\u8ad6\u7406\u30e2\u30c7\u30eb\u306f\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3068\u95a2\u4fc2\u6027\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002\u7269\u7406\u30e2\u30c7\u30eb\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u5b9f\u88c5\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002<\/p>\n
- \n
- \u8ad6\u7406\u30ec\u30d9\u30eb\uff1a<\/strong>\u3059\u3079\u3066\u306e\u95a2\u4fc2\u3092\u8868\u73fe\u3059\u308b\u3053\u3068\u3067\u3001\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u304c\u6b63\u78ba\u306b\u6349\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n
- \u7269\u7406\u30ec\u30d9\u30eb\uff1a<\/strong>\u4e00\u90e8\u306e\u95a2\u4fc2\u306f\u524a\u9664\u3055\u308c\u305f\u308a\u3001\u6b63\u898f\u5316\u304c\u89e3\u9664\u3055\u308c\u305f\u308a\u3057\u3066\u3001\u30af\u30a8\u30ea\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n
\u3053\u306e\u5206\u96e2\u306b\u3088\u308a\u3001ERD\u306f\u30d3\u30b8\u30cd\u30b9\u6587\u66f8\u3068\u3057\u3066\u6709\u52b9\u306a\u307e\u307e\u3001\u57fa\u76e4\u3068\u306a\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u7279\u5b9a\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u30d1\u30bf\u30fc\u30f3\u306b\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u6b63\u898f\u5316\u3068\u5916\u90e8\u30ad\u30fc\u306e\u30d0\u30e9\u30f3\u30b9 \u2696\ufe0f<\/h2>\n
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u6b63\u898f\u5316\u3059\u308b\u6c7a\u5b9a\u306f\u3001\u5916\u90e8\u30ad\u30fc\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3092\u542b\u307f\u307e\u3059\u3002\u6b63\u898f\u5316\u306f\u91cd\u8907\u3092\u6e1b\u3089\u3057\u3001\u30c7\u30fc\u30bf\u306e\u4e00\u8cab\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u7d50\u5408\u306e\u6570\u304c\u5897\u3048\u307e\u3059\u3002<\/p>\n
\u7b2c\u4e09\u6b63\u898f\u5f62\uff083NF\uff09<\/h3>\n
3NF\u3067\u306f\u3001\u3059\u3079\u3066\u306e\u975e\u30ad\u30fc\u5c5e\u6027\u304c\u5b8c\u5168\u30ad\u30fc\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u591a\u304f\u306e\u30c6\u30fc\u30d6\u30eb\u3068\u591a\u304f\u306e\u5916\u90e8\u30ad\u30fc\u3092\u6301\u3064\u30b9\u30ad\u30fc\u30de\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
- \n
- \u5229\u70b9\uff1a<\/strong>\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u304c\u6700\u5c0f\u9650\u3001\u66f4\u65b0\u306e\u4e00\u8cab\u6027\u3001\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u5c11\u306a\u3044\u3002<\/li>\n
- \u6b20\u70b9\uff1a<\/strong>\u8907\u6570\u306e\u7d50\u5408\u3092\u5fc5\u8981\u3068\u3059\u308b\u8907\u96d1\u306a\u30af\u30a8\u30ea\u3001\u8aad\u307f\u8fbc\u307f\u304c\u91cd\u3044\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b\u306e\u53ef\u80fd\u6027\u3002<\/li>\n<\/ul>\n
\u975e\u6b63\u898f\u5316\u6226\u7565<\/h3>\n
\u9ad8\u6027\u80fd\u306a\u30ec\u30dd\u30fc\u30c8\u3084\u8aad\u307f\u8fbc\u307f\u304c\u91cd\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u975e\u6b63\u898f\u5316\u306f\u6709\u52b9\u306a\u6226\u7565\u3067\u3059\u3002\u5916\u90e8\u30ad\u30fc\u3092\u524a\u9664\u3057\u3001\u30c7\u30fc\u30bf\u3092\u91cd\u8907\u3055\u305b\u308b\u3053\u3068\u3092\u542b\u307f\u307e\u3059\u3002<\/p>\n
- \n
- \u30de\u30c6\u30ea\u30a2\u30e9\u30a4\u30ba\u30c9\u30d3\u30e5\u30fc\uff1a<\/strong>\u4e8b\u524d\u306b\u8a08\u7b97\u3055\u308c\u305f\u7d50\u679c\u3092\u30c6\u30fc\u30d6\u30eb\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3067\u3001\u7d50\u5408\u306e\u5fc5\u8981\u6027\u304c\u6e1b\u308a\u307e\u3059\u3002<\/li>\n
- \u91cd\u8907\u3059\u308b\u30ab\u30e9\u30e0\uff1a<\/strong> \u30ab\u30c6\u30b4\u30ea\u306e\u540d\u524d\u3092\u53d6\u5f15\u30c6\u30fc\u30d6\u30eb\u306b\u76f4\u63a5\u683c\u7d0d\u3059\u308b\u3053\u3068\u3067\u3001\u30ab\u30c6\u30b4\u30ea\u30c6\u30fc\u30d6\u30eb\u3078\u306e\u7d50\u5408\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/li>\n
- \u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\uff1a<\/strong> \u66f8\u304d\u8fbc\u307f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u72a0\u7272\u306b\u3057\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u5897\u3084\u3057\u3066\u8aad\u307f\u53d6\u308a\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n<\/ul>\n
\u8868\uff1a\u6b63\u898f\u5316\u5bfe\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/h3>\n
\n\n
\n \n\u5074\u9762<\/th>\n \u6b63\u898f\u5316\u6e08\u307f\uff08\u591a\u6570\u306e\u5916\u90e8\u30ad\u30fc\uff09<\/th>\n \u975e\u6b63\u898f\u5316\uff08\u5c11\u6570\u306e\u5916\u90e8\u30ad\u30fc\uff09<\/th>\n<\/tr>\n<\/thead>\n \n \u30c7\u30fc\u30bf\u6574\u5408\u6027<\/strong><\/td>\n \u9ad8\u3044\uff08\u5916\u90e8\u30ad\u30fc\u306b\u3088\u3063\u3066\u5f37\u5236\uff09<\/td>\n \u4f4e\u3044\uff08\u624b\u52d5\u3067\u306e\u30c1\u30a7\u30c3\u30af\u304c\u5fc5\u8981\uff09<\/td>\n<\/tr>\n \n \u30af\u30a8\u30ea\u306e\u8907\u96d1\u3055<\/strong><\/td>\n \u9ad8\u3044\uff08\u8907\u6570\u306e\u7d50\u5408\uff09<\/td>\n \u4f4e\u3044\uff08\u5358\u4e00\u30c6\u30fc\u30d6\u30eb\uff09<\/td>\n<\/tr>\n \n \u66f8\u304d\u8fbc\u307f\u901f\u5ea6<\/strong><\/td>\n \u901f\u3044\uff08\u5197\u9577\u6027\u304c\u5c11\u306a\u3044\uff09<\/td>\n \u9045\u3044\uff08\u3059\u3079\u3066\u306e\u30b3\u30d4\u30fc\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff09<\/td>\n<\/tr>\n \n \u8aad\u307f\u53d6\u308a\u901f\u5ea6<\/strong><\/td>\n \u9045\u3044<\/td>\n \u901f\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u540c\u6642\u5b9f\u884c\u6027\u3068\u30ed\u30c3\u30af\u30e1\u30ab\u30cb\u30ba\u30e0 \ud83d\udd12<\/h2>\n
\u5916\u90e8\u30ad\u30fc\u306f\u3001\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u3067\u306f\u8ff0\u8a9e\u30ed\u30c3\u30af\u307e\u305f\u306f\u30ae\u30e3\u30c3\u30d7\u30ed\u30c3\u30af\u3068\u547c\u3070\u308c\u308b\u7279\u5b9a\u306e\u30ed\u30c3\u30af\u52d5\u4f5c\u3092\u5c0e\u5165\u3057\u307e\u3059\u3002\u5916\u90e8\u30ad\u30fc\u306b\u3088\u3063\u3066\u53c2\u7167\u3055\u308c\u3066\u3044\u308b\u884c\u3092\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u5909\u66f4\u3059\u308b\u5834\u5408\u3001\u5909\u66f4\u4e2d\u306e\u884c\u3060\u3051\u3067\u306a\u304f\u3001\u89aa\u884c\u3082\u30ed\u30c3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
1. \u30c7\u30c3\u30c9\u30ed\u30c3\u30af<\/h3>\n
\u591a\u6570\u306e\u5916\u90e8\u30ad\u30fc\u3092\u6301\u3064\u9ad8\u5ea6\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30b9\u30ad\u30fc\u30de\u306f\u3001\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u3092\u5f15\u304d\u8d77\u3053\u3057\u3084\u3059\u3044\u3067\u3059\u3002\u3053\u308c\u306f\u30012\u3064\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u4e92\u3044\u306b\u5fc5\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u3068\u304d\u306b\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n
- \n
- \u30b7\u30ca\u30ea\u30aa\uff1a<\/strong> \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3A\u304c\u89aa\u30c6\u30fc\u30d6\u30ebX\u3092\u66f4\u65b0\u3059\u308b\u3002\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3B\u304cX\u3092\u53c2\u7167\u3059\u308b\u5b50\u30c6\u30fc\u30d6\u30ebY\u3092\u66f4\u65b0\u3059\u308b\u3002<\/li>\n
- \u7af6\u5408\uff1a<\/strong> \u4e21\u65b9\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u3001\u7570\u306a\u308b\u9806\u5e8f\u3067\u76f8\u624b\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u30ed\u30c3\u30af\u3057\u3088\u3046\u3068\u3057\u305f\u5834\u5408\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u4e21\u65b9\u3092\u505c\u6b62\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
2. \u7cbe\u5ea6<\/h3>\n
\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u306f\u901a\u5e38\u3001\u884c\u5358\u4f4d\u3067\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u306b\u3088\u308a\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5358\u4f4d\u3067\u306e\u30ed\u30c3\u30af\u304c\u5f37\u5236\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5916\u90e8\u30ad\u30fc\u306e\u691c\u8a3c\u306e\u305f\u3081\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u30b9\u30ad\u30e3\u30f3\u3055\u308c\u308b\u5834\u5408\u3001\u5168\u4f53\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u7bc4\u56f2\u304c\u30ed\u30c3\u30af\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
- \n
- \u5f71\u97ff\uff1a<\/strong> \u9ad8\u540c\u6642\u63a5\u7d9a\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u5916\u90e8\u30ad\u30fc\u306e\u30c1\u30a7\u30c3\u30af\u304c\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3059\u308b\u5834\u5408\u3001\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
- \u7de9\u548c\u7b56\uff1a<\/strong> \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u9806\u5e8f\u3092\u614e\u91cd\u306b\u7ba1\u7406\u3057\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u30af\u30a8\u30ea\u30d1\u30bf\u30fc\u30f3\u3068\u6574\u5408\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u7af6\u5408\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n
\u30b9\u30c8\u30ec\u30fc\u30b8\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3068\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf \ud83d\udcbe<\/h2>\n
\u5916\u90e8\u30ad\u30fc\u306e\u5404\u5217\u306f\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002\u5358\u4e00\u306e\u6574\u6570\u3084UUID\u306f\u5c0f\u3055\u304f\u898b\u3048\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u6570\u5341\u5104\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u6301\u3064\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u3053\u308c\u304c\u84c4\u7a4d\u3055\u308c\u307e\u3059\u3002<\/p>\n
1. \u30c7\u30fc\u30bf\u578b\u3068\u6574\u5408\u6027<\/h3>\n
\u5916\u90e8\u30ad\u30fc\u306e\u30c7\u30fc\u30bf\u578b\u306f\u3001\u4e3b\u30ad\u30fc\u3068\u4e00\u81f4\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u4e3b\u30ad\u30fc\u304c\u8907\u5408\u30ad\u30fc\uff08\u8907\u6570\u306e\u5217\uff09\u306e\u5834\u5408\u3001\u5916\u90e8\u30ad\u30fc\u3082\u8907\u5408\u30ad\u30fc\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n
- \n
- \u8907\u5408\u30ad\u30fc\uff1a<\/strong> \u3053\u308c\u3089\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u30b5\u30a4\u30ba\u3092\u8457\u3057\u304f\u5897\u52a0\u3055\u305b\u307e\u3059\u3002\u8907\u5408\u5916\u90e8\u30ad\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u5358\u4e00\u5217\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u5927\u304d\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
- NULL\u8a31\u5bb9\u6027\uff1a<\/strong> \u5916\u90e8\u30ad\u30fc\u304cNULL\u3092\u8a31\u5bb9\u3059\u308b\u5834\u5408\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u306fNULL\u30d3\u30c3\u30c8\u30de\u30c3\u30d7\u3092\u51e6\u7406\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u308f\u305a\u304b\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
2. \u30e1\u30e2\u30ea\u4f7f\u7528\u91cf<\/h3>\n
\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u30af\u30a8\u30ea\u5b9f\u884c\u4e2d\u306b\u30e1\u30e2\u30ea\u4e0a\u306b\u4fdd\u6301\u3055\u308c\u307e\u3059\u3002\u5916\u90e8\u30ad\u30fc\u3068\u305d\u306e\u5bfe\u5fdc\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u591a\u6570\u3042\u308b\u3068\u3001\u5229\u7528\u53ef\u80fd\u306a\u30d0\u30c3\u30d5\u30a1\u30d7\u30fc\u30eb\u30e1\u30e2\u30ea\u304c\u67af\u6e07\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
- \n
- \u30ad\u30e3\u30c3\u30b7\u30e5\u6c5a\u67d3\uff1a<\/strong> \u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c7\u30fc\u30bf\u304c\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u69cb\u9020\u306e\u305f\u3081\u306e\u30e1\u30e2\u30ea\u78ba\u4fdd\u306e\u305f\u3081\u306b\u30e1\u30e2\u30ea\u304b\u3089\u8ffd\u3044\u51fa\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
- \u30b9\u30ef\u30c3\u30d7\u4f7f\u7528\u91cf\uff1a<\/strong> \u30e1\u30e2\u30ea\u304c\u4e0d\u8db3\u3059\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u30c7\u30a3\u30b9\u30af\u306b\u30b9\u30ef\u30c3\u30d7\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
ERD\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316\u6226\u7565 \ud83d\ude80<\/h2>\n
\u6574\u5408\u6027\u3068\u901f\u5ea6\u306e\u5065\u5168\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u3001\u8a2d\u8a08\u6bb5\u968e\u3067\u7279\u5b9a\u306e\u6226\u7565\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
1. \u9078\u629e\u7684\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316<\/h3>\n
\u3059\u3079\u3066\u306e\u5916\u90e8\u30ad\u30fc\u3092\u7121\u95c7\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30af\u30a8\u30ea\u30d1\u30bf\u30fc\u30f3\u3092\u5206\u6790\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
- \n
- \u9ad8\u983b\u5ea6\u306e\u7d50\u5408\uff1a<\/strong> 2\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u983b\u7e41\u306b\u7d50\u5408\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u5916\u90e8\u30ad\u30fc\u3092\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n
- \u7a00\u306a\u95a2\u4fc2\u6027\uff1a<\/strong> \u95a2\u4fc2\u6027\u304c\u307b\u3068\u3093\u3069\u30af\u30a8\u30ea\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u30e1\u30ea\u30c3\u30c8\u3092\u4e0a\u56de\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n
2. \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0<\/h3>\n
\u5927\u898f\u6a21\u306a\u30c6\u30fc\u30d6\u30eb\u3092\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u5916\u90e8\u30ad\u30fc\u306e\u30c1\u30a7\u30c3\u30af\u3092\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u30bb\u30b0\u30e1\u30f3\u30c8\u306b\u9650\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n
- \n
- \u7bc4\u56f2\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\uff1a<\/strong> \u65e5\u4ed8\u307e\u305f\u306fID\u306e\u7bc4\u56f2\u3067\u30c7\u30fc\u30bf\u3092\u5206\u5272\u3057\u307e\u3059\u3002<\/li>\n
- \u5f71\u97ff\uff1a<\/strong> \u5b8c\u5168\u6027\u30c1\u30a7\u30c3\u30af\u4e2d\u306b\u30b9\u30ad\u30e3\u30f3\u304c\u5fc5\u8981\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
3. \u975e\u540c\u671f\u691c\u8a3c<\/h3>\n
\u4e00\u90e8\u306e\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u53b3\u683c\u306a\u53c2\u7167\u6574\u5408\u6027\u304c\u975e\u540c\u671f\u306b\u5f37\u5236\u3055\u308c\u307e\u3059\u3002<\/p>\n
- \n
- \u30d7\u30ed\u30bb\u30b9\uff1a<\/strong> \u30c7\u30fc\u30bf\u306f\u5373\u6642\u306e\u5916\u90e8\u30ad\u30fc\u691c\u8a3c\u306a\u3057\u306b\u633f\u5165\u3055\u308c\u307e\u3059\u3002<\/li>\n
- \u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\uff1a<\/strong> \u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b8\u30e7\u30d6\u304c\u5b9a\u671f\u7684\u306b\u5b64\u7acb\u3057\u305f\u30ec\u30b3\u30fc\u30c9\u3092\u691c\u8a3c\u304a\u3088\u3073\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002<\/li>\n
- \u5229\u70b9\uff1a<\/strong> \u4e00\u6642\u7684\u306a\u30c7\u30fc\u30bf\u4e0d\u6574\u5408\u3092\u72a0\u7272\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u66f8\u304d\u8fbc\u307f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5287\u7684\u306b\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/li>\n<\/ul>\n
\u907f\u3051\u308b\u3079\u304d\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74 \u26a0\ufe0f<\/h2>\n
\u719f\u7df4\u3057\u305f\u30a2\u30fc\u30ad\u30c6\u30af\u30c8\u3067\u3059\u3089\u3001\u5916\u90e8\u30ad\u30fc\u3092\u591a\u7528\u3059\u308bERD\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u7f60\u306b\u306f\u307e\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
- \n
- \u9023\u9396\u3059\u308b\u95a2\u4fc2\uff1a<\/strong> \u5916\u90e8\u30ad\u30fc\u306e\u9577\u3044\u9023\u9396\uff08A \u2192 B \u2192 C \u2192 D\uff09\u306f\u3001\u30af\u30a8\u30ea\u3092\u6df1\u304f\u3057\u3001\u6700\u9069\u5316\u3092\u56f0\u96e3\u306b\u3057\u307e\u3059\u3002<\/li>\n
- \u81ea\u5df1\u53c2\u7167\u30ad\u30fc\uff1a<\/strong> \u30c6\u30fc\u30d6\u30eb\u304c\u81ea\u5206\u81ea\u8eab\u3092\u53c2\u7167\u3059\u308b\uff08\u4f8b\uff1aEmployee \u2192 Manager\uff09\u3068\u3001\u518d\u5e30\u30af\u30a8\u30ea\u3084\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6226\u7565\u304c\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n
- \u5e83\u3044\u4e3b\u30ad\u30fc\uff1a<\/strong> \u591a\u30ab\u30e9\u30e0\u306e\u4e3b\u30ad\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5916\u90e8\u30ad\u30fc\u3082\u5e83\u304f\u306a\u308a\u3001\u3059\u3079\u3066\u306e\u5b50\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u80a5\u5927\u5316\u3057\u307e\u3059\u3002<\/li>\n
- \u7d71\u8a08\u60c5\u5831\u306e\u7121\u8996\uff1a<\/strong> \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u304c\u5916\u90e8\u30ad\u30fc\u5217\u306b\u95a2\u3059\u308b\u6700\u65b0\u306e\u7d71\u8a08\u60c5\u5831\u3092\u6b20\u3044\u3066\u3044\u308b\u5834\u5408\u3001\u30af\u30a8\u30ea\u30d7\u30e9\u30f3\u30ca\u30fc\u306f\u52a3\u3063\u305f\u5b9f\u884c\u8a08\u753b\u3092\u9078\u629e\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n
\u30b9\u30ad\u30fc\u30de\u306e\u5c06\u6765\u5bfe\u5fdc\u6027\u78ba\u4fdd \ud83d\udd2e<\/h2>\n
\u73fe\u5728\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u610f\u8b58\u3057\u305f\u8a2d\u8a08\u306f\u5fc5\u9808\u3067\u3059\u304c\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306b\u306f\u4e88\u898b\u529b\u304c\u5fc5\u8981\u3067\u3059\u3002\u30c7\u30fc\u30bf\u91cf\u304c\u6307\u6570\u95a2\u6570\u7684\u306b\u5897\u52a0\u3059\u308b\u4e2d\u3067\u3001\u5916\u90e8\u30ad\u30fc\u306f\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
1. \u6c34\u5e73\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0<\/h3>\n
\u5206\u6563\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u79fb\u884c\u3059\u308b\u969b\u3001\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u306f\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
- \n
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- \u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\uff1a<\/strong> \u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b8\u30e7\u30d6\u304c\u5b9a\u671f\u7684\u306b\u5b64\u7acb\u3057\u305f\u30ec\u30b3\u30fc\u30c9\u3092\u691c\u8a3c\u304a\u3088\u3073\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002<\/li>\n
- \u5f71\u97ff\uff1a<\/strong> \u5b8c\u5168\u6027\u30c1\u30a7\u30c3\u30af\u4e2d\u306b\u30b9\u30ad\u30e3\u30f3\u304c\u5fc5\u8981\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
- \u7a00\u306a\u95a2\u4fc2\u6027\uff1a<\/strong> \u95a2\u4fc2\u6027\u304c\u307b\u3068\u3093\u3069\u30af\u30a8\u30ea\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u30e1\u30ea\u30c3\u30c8\u3092\u4e0a\u56de\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n
- \u30b9\u30ef\u30c3\u30d7\u4f7f\u7528\u91cf\uff1a<\/strong> \u30e1\u30e2\u30ea\u304c\u4e0d\u8db3\u3059\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u30c7\u30a3\u30b9\u30af\u306b\u30b9\u30ef\u30c3\u30d7\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u8457\u3057\u304f\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
- NULL\u8a31\u5bb9\u6027\uff1a<\/strong> \u5916\u90e8\u30ad\u30fc\u304cNULL\u3092\u8a31\u5bb9\u3059\u308b\u5834\u5408\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u306fNULL\u30d3\u30c3\u30c8\u30de\u30c3\u30d7\u3092\u51e6\u7406\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u308f\u305a\u304b\u306a\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
- \u7de9\u548c\u7b56\uff1a<\/strong> \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u9806\u5e8f\u3092\u614e\u91cd\u306b\u7ba1\u7406\u3057\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u30af\u30a8\u30ea\u30d1\u30bf\u30fc\u30f3\u3068\u6574\u5408\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u7af6\u5408\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n
- \u7af6\u5408\uff1a<\/strong> \u4e21\u65b9\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u3001\u7570\u306a\u308b\u9806\u5e8f\u3067\u76f8\u624b\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u30ed\u30c3\u30af\u3057\u3088\u3046\u3068\u3057\u305f\u5834\u5408\u3001\u30b7\u30b9\u30c6\u30e0\u306f\u4e21\u65b9\u3092\u505c\u6b62\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n
- \u91cd\u8907\u3059\u308b\u30ab\u30e9\u30e0\uff1a<\/strong> \u30ab\u30c6\u30b4\u30ea\u306e\u540d\u524d\u3092\u53d6\u5f15\u30c6\u30fc\u30d6\u30eb\u306b\u76f4\u63a5\u683c\u7d0d\u3059\u308b\u3053\u3068\u3067\u3001\u30ab\u30c6\u30b4\u30ea\u30c6\u30fc\u30d6\u30eb\u3078\u306e\u7d50\u5408\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/li>\n
- \u6b20\u70b9\uff1a<\/strong>\u8907\u6570\u306e\u7d50\u5408\u3092\u5fc5\u8981\u3068\u3059\u308b\u8907\u96d1\u306a\u30af\u30a8\u30ea\u3001\u8aad\u307f\u8fbc\u307f\u304c\u91cd\u3044\u30b7\u30b9\u30c6\u30e0\u3067\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4f4e\u4e0b\u306e\u53ef\u80fd\u6027\u3002<\/li>\n<\/ul>\n
- \u7269\u7406\u30ec\u30d9\u30eb\uff1a<\/strong>\u4e00\u90e8\u306e\u95a2\u4fc2\u306f\u524a\u9664\u3055\u308c\u305f\u308a\u3001\u6b63\u898f\u5316\u304c\u89e3\u9664\u3055\u308c\u305f\u308a\u3057\u3066\u3001\u30af\u30a8\u30ea\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n
- \u30ce\u30fc\u30c9\u306e\u30b5\u30a4\u30ba\uff1a<\/strong>\u95a2\u4fc2\u304c\u591a\u3044\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u3001\u3088\u308a\u5927\u304d\u306a\u30d0\u30a6\u30f3\u30c7\u30a3\u30f3\u30b0\u30dc\u30c3\u30af\u30b9\u3092\u5fc5\u8981\u3068\u3057\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u5bfe\u79f0\u6027\u3092\u4e71\u3057\u307e\u3059\u3002<\/li>\n
- \u66f8\u304d\u8fbc\u307f\u306e\u9045\u5ef6:<\/strong>\u884c\u304c\u633f\u5165\u3001\u66f4\u65b0\u3001\u307e\u305f\u306f\u524a\u9664\u3055\u308c\u308b\u305f\u3073\u306b\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u5909\u66f4\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/li>\n
- \u30b9\u30c8\u30ec\u30fc\u30b8\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9:<\/strong>\u3059\u3079\u3066\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u30c7\u30a3\u30b9\u30af\u9818\u57df\u3068\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3059\u308b\u3002<\/li>\n
- \u30ab\u30b9\u30b1\u30fc\u30c9\u30b3\u30b9\u30c8\uff1a<\/strong> \u30ab\u30b9\u30b1\u30fc\u30c9\u524a\u9664\u3084\u66f4\u65b0\u304c\u6709\u52b9\u306a\u5834\u5408\u3001\u89aa\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u3059\u308b1\u3064\u306e\u64cd\u4f5c\u304c\u8907\u6570\u306e\u5b50\u30c6\u30fc\u30d6\u30eb\u306b\u66f4\u65b0\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li>\n
- \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5229\u7528\uff1a<\/strong> \u5916\u90e8\u30ad\u30fc\u306f\u3057\u3070\u3057\u3070\u5b50\u30c6\u30fc\u30d6\u30eb\u306e\u30ab\u30e9\u30e0\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f5c\u6210\u3092\u4fc3\u3059\u3002\u3053\u308c\u3089\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u30b8\u30e7\u30a4\u30f3\u6642\u306e\u691c\u7d22\u3092\u9ad8\u901f\u5316\u3059\u308b\u3002<\/li>\n
- \u524a\u9664\u64cd\u4f5c\uff1a<\/strong> \u89aa\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u884c\u3092\u524a\u9664\u3059\u308b\u969b\u3001\u4f9d\u5b58\u3059\u308b\u5b50\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u30ab\u30b9\u30b1\u30fc\u30c9\u66f4\u65b0\u3084\u30c1\u30a7\u30c3\u30af\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u3002<\/li>\n