{"id":69,"date":"2026-04-05T11:26:11","date_gmt":"2026-04-05T11:26:11","guid":{"rendered":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/"},"modified":"2026-04-05T11:26:11","modified_gmt":"2026-04-05T11:26:11","slug":"power-of-attributes-in-erd-diagrams","status":"publish","type":"post","link":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/","title":{"rendered":"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u898b\u904e\u3054\u3055\u308c\u305f\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531"},"content":{"rendered":"<p>\u5efa\u7bc9\u5bb6\u304c\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u8a2d\u8a08\u3092\u59cb\u3081\u308b\u969b\u3001\u6ce8\u76ee\u306f\u3057\u3070\u3057\u3070\u63a5\u7d9a\u306b\u96c6\u307e\u308b\u3002\u6211\u3005\u306f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u305d\u308c\u3089\u3092\u7d50\u3073\u3064\u3051\u308b\u95a2\u4fc2\u306b\u91cd\u70b9\u3092\u7f6e\u304f\u3002\u7dda\u304c\u5f15\u304b\u308c\u3001\u30af\u30ed\u30a6\u30ba\u30d5\u30c3\u30c8\u304c\u8ffd\u52a0\u3055\u308c\u3001\u57fa\u6570\u304c\u5b9a\u7fa9\u3055\u308c\u308b\u3002\u30c6\u30fc\u30d6\u30eb\u304c\u4e92\u3044\u306b\u3069\u306e\u3088\u3046\u306b\u30ea\u30f3\u30af\u3059\u308b\u304b\u306b\u3088\u3063\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u9aa8\u683c\u304c\u6c7a\u5b9a\u3055\u308c\u308b\u3068\u601d\u3044\u304c\u3061\u3067\u3042\u308b\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u898b\u65b9\u3067\u306f\u3001\u5b9f\u969b\u306b\u30c7\u30fc\u30bf\u3092\u7d71\u5408\u3057\u3066\u3044\u308b\u6839\u672c\u7684\u306a\u69cb\u6210\u8981\u7d20\u3067\u3042\u308b\u5c5e\u6027\u3092\u7121\u8996\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u5c5e\u6027\u3068\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u5185\u306b\u683c\u7d0d\u3055\u308c\u308b\u7279\u5b9a\u306e\u60c5\u5831\u306e\u5358\u4f4d\u3067\u3042\u308b\u3002\u305d\u308c\u3089\u306f\u30c7\u30fc\u30bf\u305d\u306e\u3082\u306e\u306e\u6027\u8cea\u3092\u5b9a\u7fa9\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u4ed6\u306e\u30c7\u30fc\u30bf\u3068\u306e\u95a2\u4fc2\u6027\u3060\u3051\u3092\u6307\u3059\u306e\u3067\u306f\u306a\u3044\u3002\u95a2\u4fc2\u6027\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u9020\u3092\u6c7a\u5b9a\u3059\u308b\u4e00\u65b9\u3067\u3001\u5c5e\u6027\u306f\u305d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u60c5\u5831\u306e\u6574\u5408\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u304a\u3088\u3073\u4f7f\u3044\u3084\u3059\u3055\u3092\u6c7a\u5b9a\u3059\u308b\u3002\u5c5e\u6027\u8a2d\u8a08\u306e\u7d30\u90e8\u3092\u7121\u8996\u3059\u308b\u3068\u3001\u52d5\u4f5c\u306f\u3059\u308b\u304c\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3001\u30c7\u30fc\u30bf\u54c1\u8cea\u3001\u30af\u30a8\u30ea\u52b9\u7387\u306e\u9762\u3067\u554f\u984c\u3092\u62b1\u3048\u308b\u30b7\u30b9\u30c6\u30e0\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002<\/p>\n<p>\u672c\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u91cd\u8981\u306a\u5f79\u5272\u3092\u691c\u8a0e\u3059\u308b\u3002\u57fa\u672c\u7684\u306a\u5b9a\u7fa9\u3092\u8d8a\u3048\u3066\u3001\u5c5e\u6027\u306e\u9078\u629e\u304c\u6b63\u898f\u5316\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u6700\u9069\u5316\u3001\u9577\u671f\u7684\u306a\u4fdd\u5b88\u6027\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3059\u308b\u304b\u3092\u691c\u8a3c\u3059\u308b\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Cute kawaii-style infographic explaining the importance of attributes in ER diagrams, featuring pastel-colored entity characters, five attribute types (simple, composite, multi-valued, derived, key), design best practices checklist, and database modeling tips with rounded vector illustrations\" decoding=\"async\" src=\"https:\/\/www.we-notes.com\/wp-content\/uploads\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udee0\ufe0f \u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u5b9a\u7fa9<\/h2>\n<p>\u5c5e\u6027\u3068\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u6027\u8cea\u307e\u305f\u306f\u7279\u5fb4\u3067\u3042\u308b\u3002\u7269\u7406\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306f\u3001\u3053\u308c\u306f\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5217\u306b\u5bfe\u5fdc\u3059\u308b\u3002\u6982\u5ff5\u6bb5\u968e\u3067\u306f\u3001ER\u56f3\u306b\u304a\u3051\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u77e9\u5f62\u306b\u63a5\u7d9a\u3055\u308c\u305f\u5186\u307e\u305f\u306f\u6955\u5186\u3067\u3042\u308b\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u5c5e\u6027\u306e\u533a\u5225\u306f\u3068\u304d\u3069\u304d\u66d6\u6627\u306b\u306a\u308b\u304c\u3001\u7c21\u5358\u306a\u30eb\u30fc\u30eb\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3042\u308b\uff1a\u30c7\u30fc\u30bf\u304c\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u8a18\u8ff0\u3057\u3066\u304a\u308a\u3001\u72ec\u7acb\u3057\u3066\u5b58\u5728\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u305d\u308c\u306f\u5c5e\u6027\u3067\u3042\u308b\u3002<\/p>\n<p>\u4ee5\u4e0b\u3092\u691c\u8a0e\u3057\u3066\u307f\u3088\u3046\uff1a<strong>\u9867\u5ba2<\/strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3002\u6c0f\u540d\u3001\u4f4f\u6240\u3001\u751f\u5e74\u6708\u65e5\u306f\u3059\u3079\u3066\u5c5e\u6027\u3067\u3042\u308b\u3002\u3053\u308c\u3089\u306f\u9867\u5ba2\u3092\u8a18\u8ff0\u3059\u308b\u304c\u3001\u6ce8\u6587\u3084\u88fd\u54c1\u306e\u3088\u3046\u306b\u72ec\u7acb\u3057\u305f\u30ec\u30b3\u30fc\u30c9\u3068\u3057\u3066\u5b58\u5728\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u3089\u306e\u5c5e\u6027\u3092\u3069\u306e\u3088\u3046\u306b\u683c\u7d0d\u3059\u308b\u304b\u3068\u3044\u3046\u6c7a\u5b9a\u304c\u3001\u8907\u96d1\u3055\u306e\u59cb\u307e\u308a\u3068\u306a\u308b\u3002<\/p>\n<h3>\u77e5\u3063\u3066\u304a\u304f\u3079\u304d\u5c5e\u6027\u306e\u7a2e\u985e<\/h3>\n<p>\u3059\u3079\u3066\u306e\u5c5e\u6027\u304c\u540c\u3058\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u5c5e\u6027\u306e\u7279\u5b9a\u306e\u5206\u985e\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u683c\u7d0d\u8981\u4ef6\u3084\u5236\u7d04\u3092\u660e\u78ba\u306b\u3067\u304d\u308b\u3002\u4ee5\u4e0b\u306f\u3001\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u904e\u7a0b\u3067\u3088\u304f\u906d\u9047\u3059\u308b\u5c5e\u6027\u306e\u7a2e\u985e\u306e\u6982\u8981\u3067\u3042\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5c5e\u6027\u306e\u7a2e\u985e<\/th>\n<th>\u8aac\u660e<\/th>\n<th>\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5358\u7d14\u5c5e\u6027<\/td>\n<td>\u539f\u5b50\u7684\u306a\u5024\u3067\u3042\u308a\u3001\u3055\u3089\u306b\u5206\u5272\u3067\u304d\u306a\u3044\u3002<\/td>\n<td>\u5e74\u9f62\u3001\u793e\u4f1a\u4fdd\u969c\u756a\u53f7<\/td>\n<\/tr>\n<tr>\n<td>\u8907\u5408\u5c5e\u6027<\/td>\n<td>\u90e8\u5206\u306b\u5206\u5272\u3055\u308c\u308b\u3002<\/td>\n<td>\u4f4f\u6240\uff08\u901a\u308a\u3001\u90fd\u5e02\u3001\u90f5\u4fbf\u756a\u53f7\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u5024\u5c5e\u6027<\/td>\n<td>1\u3064\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u5024\u3092\u4fdd\u6301\u3067\u304d\u308b\u3002<\/td>\n<td>\u96fb\u8a71\u756a\u53f7\u3001\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/td>\n<\/tr>\n<tr>\n<td>\u5c0e\u51fa\u5c5e\u6027<\/td>\n<td>\u4ed6\u306e\u5c5e\u6027\u304b\u3089\u8a08\u7b97\u3055\u308c\u308b\u3002<\/td>\n<td>\u5e74\u9f62\uff08\u751f\u5e74\u6708\u65e5\u304b\u3089\u8a08\u7b97\uff09\u3001\u5408\u8a08\u91d1\u984d<\/td>\n<\/tr>\n<tr>\n<td>\u30ad\u30fc\u5c5e\u6027<\/td>\n<td>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308b\u3002<\/td>\n<td>\u9867\u5ba2ID\u3001\u6ce8\u6587\u756a\u53f7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3053\u308c\u3089\u306e\u5404\u30bf\u30a4\u30d7\u306f\u3001\u8ad6\u7406\u8a2d\u8a08\u6bb5\u968e\u3067\u305d\u308c\u305e\u308c\u7279\u5b9a\u306e\u53d6\u308a\u6271\u3044\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002\u5358\u7d14\u5c5e\u6027\u3068\u8907\u5408\u5c5e\u6027\u3092\u533a\u5225\u3057\u306a\u3044\u3068\u3001\u5f8c\u3067\u5909\u66f4\u304c\u56f0\u96e3\u306a\u786c\u3044\u30b9\u30ad\u30fc\u30de\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3002\u305f\u3068\u3048\u3070\u3001\u4f4f\u6240\u3092\u5358\u4e00\u306e\u6587\u5b57\u5217\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3068\u3001\u90fd\u5e02\u3084\u90f5\u4fbf\u756a\u53f7\u3067\u7d5e\u308a\u8fbc\u3080\u305f\u3081\u306b\u8907\u96d1\u306a\u6587\u5b57\u5217\u64cd\u4f5c\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002<\/p>\n<h2>\u2696\ufe0f \u60aa\u3044\u5c5e\u6027\u8a2d\u8a08\u306e\u96a0\u308c\u305f\u30b3\u30b9\u30c8<\/h2>\n<p>\u591a\u304f\u306e\u30c1\u30fc\u30e0\u306f\u3001\u5c5e\u6027\u3092\u95a2\u4fc2\u6027\u304c\u78ba\u7acb\u3055\u308c\u305f\u5f8c\u306b\u57cb\u3081\u308b\u3060\u3051\u306e\u5358\u306a\u308b\u7d30\u90e8\u3068\u3057\u3066\u6271\u3046\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3057\u3070\u3057\u3070\u5927\u304d\u306a\u6280\u8853\u7684\u8ca0\u50b5\u3092\u751f\u3080\u3002\u5c5e\u6027\u304c\u9069\u5207\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u3001\u305d\u306e\u5f71\u97ff\u306f\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306b\u6ce2\u53ca\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30c7\u30fc\u30bf\u6574\u5408\u6027\u306e\u554f\u984c\uff1a<\/strong> \u5c5e\u6027\u304c\u660e\u78ba\u306a\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306a\u3057\u306bnull\u5024\u3092\u8a31\u5bb9\u3059\u308b\u5834\u5408\u3001\u30ec\u30dd\u30fc\u30c8\u306e\u4fe1\u983c\u6027\u304c\u640d\u306a\u308f\u308c\u308b\u3002\u5c5e\u6027\u306b\u5236\u7d04\uff08\u6700\u5927\u9577\u3084\u6709\u52b9\u7bc4\u56f2\u306a\u3069\uff09\u304c\u306a\u3044\u5834\u5408\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u30b4\u30df\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u5165\u308c\u3066\u3057\u307e\u3046\u3002<\/li>\n<li><strong>\u30af\u30a8\u30ea\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4f4e\u4e0b\uff1a<\/strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306a\u3057\u3067\u5c0e\u51fa\u30c7\u30fc\u30bf\u3092\u91cd\u8907\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3068\u3001\u66f4\u65b0\u304c\u9045\u304f\u306a\u308b\u3002\u9006\u306b\u3001\u983b\u7e41\u306b\u30af\u30a8\u30ea\u3055\u308c\u308b\u5c5e\u6027\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8cbc\u3089\u306a\u3044\u3068\u3001\u691c\u7d22\u64cd\u4f5c\u304c\u9045\u304f\u306a\u308b\u3002<\/li>\n<li><strong>\u6b63\u898f\u5316\u306e\u9055\u53cd\uff1a<\/strong>\u5c5e\u6027\u3092\u9069\u5207\u306b\u5206\u5272\u307e\u305f\u306f\u7d50\u5408\u3057\u306a\u3044\u3068\u3001\u30ec\u30b3\u30fc\u30c9\u306e\u633f\u5165\u3001\u524a\u9664\u3001\u66f4\u65b0\u6642\u306b\u7570\u5e38\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/li>\n<li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\uff1a<\/strong> \u7121\u5236\u9650\u306b\u5897\u5927\u3059\u308b\u5c5e\u6027\uff08\u305f\u3068\u3048\u3070\u30011\u3064\u306e\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u30bf\u30b0\u306e\u30ea\u30b9\u30c8\u3092\u4fdd\u5b58\u3059\u308b\u306a\u3069\uff09\u306f\u3001\u52b9\u7387\u7684\u306a\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3084\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u6226\u7565\u3092\u59a8\u3052\u308b\u3002<\/li>\n<\/ul>\n<p>\u6b63\u3057\u3044\u30ab\u30e9\u30e0\u3092\u6301\u3064\u3053\u3068\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u6b63\u3057\u3044\u5236\u7d04\u3068\u30c7\u30fc\u30bf\u578b\u3092\u6301\u3064\u3053\u3068\u3067\u3042\u308b\u3002<code>varchar<\/code>\u96fb\u8a71\u756a\u53f7\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306bvarchar\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4f7f\u7528\u3059\u308b\u306e\u306f\u3001\u5165\u529b\u5024\u3092\u691c\u8a3c\u3059\u308b\u7279\u5b9a\u306e\u6574\u6570\u578b\u3084\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3055\u308c\u305f\u6587\u5b57\u5217\u578b\u3088\u308a\u3082\u52b9\u7387\u7684\u3067\u6b63\u78ba\u3067\u306f\u306a\u3044\u3002<\/p>\n<h2>\ud83d\udd0d \u6df1\u6398\u308a\uff1a\u5c5e\u6027\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3<\/h2>\n<p>\u5805\u7262\u306a\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u8a2d\u8a08\u8005\u304c\u5c5e\u6027\u3092\u5b9a\u7fa9\u3059\u308b\u969b\u306b\u7279\u5b9a\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u9069\u7528\u3059\u3079\u304d\u3067\u3042\u308b\u3002\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u5168\u4f53\u306b\u4e00\u8cab\u6027\u3068\u660e\u78ba\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3002<\/p>\n<h3>1. \u539f\u5b50\u6027\u3068\u7b2c1\u6b63\u898f\u5f62<\/h3>\n<p>\u5c5e\u6027\u8a2d\u8a08\u306e\u7b2c\u4e00\u306e\u30eb\u30fc\u30eb\u306f\u539f\u5b50\u6027\u3067\u3042\u308b\u3002\u3059\u3079\u3066\u306e\u5c5e\u6027\u306f\u3001\u5358\u4e00\u3067\u5206\u5272\u3067\u304d\u306a\u3044\u5024\u3092\u4fdd\u6301\u3059\u3079\u304d\u3067\u3042\u308b\u30021\u3064\u306e\u30bb\u30eb\u306b\u8907\u6570\u306e\u5024\u3092\u4fdd\u5b58\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u60aa\u3044\u5b9f\u8df5\uff1a<\/strong> 1\u3064\u306e<code>skills<\/code>\u30ab\u30e9\u30e0\u306b\u300cSQL, Python, Java\u300d\u3068\u3044\u3046\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3002<\/li>\n<li><strong>\u826f\u3044\u5b9f\u8df5\uff1a<\/strong> \u5225\u306e\u7d50\u5408\u30c6\u30fc\u30d6\u30eb\u3092\u4ecb\u3057\u3066<strong>Employee<\/strong> \u3068<strong>Skill<\/strong>.<\/li>\n<\/ul>\n<p>\u539f\u5b50\u6027\u3092\u7121\u8996\u3059\u308b\u3068\u30af\u30a8\u30ea\u304c\u8907\u96d1\u306b\u306a\u308b\u3002\u6587\u5b57\u5217\u3092\u89e3\u6790\u3057\u306a\u3044\u9650\u308a\u3001\u300cPython\u300d\u3092\u77e5\u3063\u3066\u3044\u308b\u5f93\u696d\u54e1\u306e\u6570\u3092\u7c21\u5358\u306b\u30ab\u30a6\u30f3\u30c8\u3067\u304d\u306a\u3044\u3002\u5c5e\u6027\u3092\u539f\u5b50\u6027\u3092\u4fdd\u3064\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u53d6\u5f97\u3084\u96c6\u8a08\u306b\u5fc5\u8981\u306a\u30ed\u30b8\u30c3\u30af\u304c\u7c21\u7d20\u5316\u3055\u308c\u308b\u3002<\/p>\n<h3>2. \u540d\u524d\u4ed8\u3051\u898f\u5247\u3068\u660e\u78ba\u6027<\/h3>\n<p>\u5c5e\u6027\u540d\u306f\u81ea\u660e\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u66d6\u6627\u3055\u306f\u4fdd\u5b88\u6027\u306e\u6575\u3067\u3042\u308b\u3002\u5c06\u6765\u306e\u958b\u767a\u8005\u304c\u7406\u89e3\u3057\u306b\u304f\u3044\u7701\u7565\u8a9e\u306f\u907f\u3051\u308b\u3079\u304d\u3067\u3042\u308b\u3002\u5c5e\u6027\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u5358\u4e00\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u8868\u3059\u3053\u3068\u3092\u53cd\u6620\u3059\u308b\u305f\u3081\u306b\u3001\u5358\u6570\u540d\u8a5e\u3092\u4f7f\u7528\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u66d6\u6627\u306a:<\/strong> <code>\u65e5\u4ed8<\/code> \u307e\u305f\u306f <code>\u5024<\/code>.<\/li>\n<li><strong>\u660e\u78ba\u306a:<\/strong> <code>\u751f\u5e74\u6708\u65e5<\/code> \u307e\u305f\u306f <code>\u53d6\u5f15\u91d1\u984d<\/code>.<\/li>\n<\/ul>\n<p>\u547d\u540d\u306e\u4e00\u8cab\u6027\u306f\u3001\u81ea\u52d5\u5316\u30c4\u30fc\u30eb\u304c\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3059\u308b\u306e\u3092\u52a9\u3051\u307e\u3059\u3002\u30e2\u30c7\u30eb\u304c\u5e38\u306b\u300c<code>\u4f5c\u6210\u65e5\u6642<\/code>\u300d\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u751f\u6210\u3055\u308c\u308bSQL\u30af\u30a8\u30ea\u3082\u305d\u306e\u30d1\u30bf\u30fc\u30f3\u306b\u5f93\u3044\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u306e\u8a8d\u77e5\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002<\/p>\n<h3>3. NULL\u8a31\u5bb9\u306e\u53d6\u308a\u6271\u3044<\/h3>\n<p>\u3059\u3079\u3066\u306e\u5c5e\u6027\u306f\u3001NULL\u306b\u95a2\u3059\u308b\u660e\u78ba\u306a\u30eb\u30fc\u30eb\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u591a\u304f\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001<code>NULL<\/code>\u306f\u7a7a\u6587\u5b57\u5217\u3084\u30bc\u30ed\u3068\u306f\u7570\u306a\u308b\u6271\u3044\u3092\u53d7\u3051\u307e\u3059\u3002\u5c5e\u6027\u304cNULL\u3092\u8a31\u5bb9\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u6c7a\u3081\u308b\u306e\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u306b\u57fa\u3065\u304f\u3079\u304d\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5fc5\u9808\u5c5e\u6027:<\/strong> \u5546\u54c1\u304c\u30df\u30c9\u30eb\u30cd\u30fc\u30e0\u3092\u6301\u305f\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u3001\u5c5e\u6027\u306f<strong>\u9867\u5ba2<\/strong>\u5fc5\u9808\u3067\u3042\u308b\u3079\u304d\u3067\u3059\u3002<code>NOT NULL<\/code>.<\/li>\n<li><strong>\u30aa\u30d7\u30b7\u30e7\u30f3\u5c5e\u6027:<\/strong> \u5546\u54c1\u304c\u30df\u30c9\u30eb\u30cd\u30fc\u30e0\u3092\u6301\u305f\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u3001\u5c5e\u6027\u306f<strong>\u5546\u54c1<\/strong>NULL\u3092\u8a31\u5bb9\u3059\u3079\u304d\u3067\u3059\u3002<code>NULL<\/code>.<\/li>\n<\/ul>\n<p>\u904e\u5ea6\u306b\u4f7f\u7528\u3059\u308b\u3068<code>NULL<\/code>\u306f\u3001SQL\u30af\u30a8\u30ea\u306b\u304a\u3051\u308b\u4e09\u5024\u8ad6\u7406\u306e\u8aa4\u308a\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\uff08\u3053\u3053\u3067\uff09<code>NULL = NULL<\/code>\u306f\u507d\u3067\u3042\u308b\uff09\u3002\u8a2d\u8a08\u6bb5\u968e\u3067NULL\u3092\u660e\u793a\u7684\u306b\u6271\u3046\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u8ad6\u7406\u7684\u306a\u7f60\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<h2>\ud83e\udde9 \u5c5e\u6027\u3068\u95a2\u4fc2\u6027\uff1a\u30d0\u30e9\u30f3\u30b9\u3092\u898b\u3064\u3051\u308b<\/h2>\n<p>\u5c5e\u6027\u3092\u8ffd\u52a0\u3057\u7d9a\u3051\u308b\u306e\u3092\u3044\u3064\u6b62\u3081\u3066\u65b0\u3057\u3044\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u4f5c\u308a\u59cb\u3081\u308b\u304b\u306b\u3064\u3044\u3066\u3001\u3057\u3070\u3057\u3070\u8b70\u8ad6\u304c\u884c\u308f\u308c\u308b\u3002\u3053\u308c\u306f\u53e4\u5178\u7684\u306a\u300c\u5c5e\u6027\u5bfe\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u300d\u306e\u30b8\u30ec\u30f3\u30de\u3067\u3042\u308b\u3002\u3053\u306e\u6c7a\u5b9a\u306f\u95a2\u4fc2\u306e\u57fa\u6570\u306b\u304b\u304b\u3063\u3066\u3044\u308b\u3002<\/p>\n<p>\u5c5e\u6027\u304c\u72ec\u7acb\u3057\u3066\u5b58\u5728\u53ef\u80fd\u3067\u3042\u308b\u304b\u3001\u72ec\u81ea\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u304c\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3002\u7d14\u7c8b\u306b\u8a18\u8ff0\u7684\u3067\u89aa\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5c5e\u6027\u306e\u307e\u307e\u3068\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30b7\u30ca\u30ea\u30aaA\uff1a<\/strong> 1\u3064\u306e <strong>\u8eca<\/strong>\u306b\u306f<code>\u8272<\/code>\u3068\u3044\u3046\u5c5e\u6027\u304c\u3042\u308b\u3002\u3053\u308c\u306f\u8a18\u8ff0\u7684\u306a\u3082\u306e\u3067\u3042\u308b\u3002\u81ea\u3089\u306e\u751f\u547d\u306f\u6301\u305f\u306a\u3044\u3002<\/li>\n<li><strong>\u30b7\u30ca\u30ea\u30aaB\uff1a<\/strong> 1\u3064\u306e <strong>\u8eca<\/strong>\u306b\u306f<code>\u6240\u6709\u8005<\/code>\u3002\u6240\u6709\u8005\u306f\u3001\u72ec\u81ea\u306e\u5c5e\u6027\uff08\u540d\u524d\u3001\u4f4f\u6240\uff09\u3092\u6301\u3064\u4eba\u7269\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3078\u306e\u95a2\u4fc2\u3067\u3042\u308a\u3001\u5c5e\u6027\u3067\u306f\u306a\u3044\u3002<\/li>\n<li><strong>\u30b7\u30ca\u30ea\u30aaC\uff1a<\/strong> 1\u3064\u306e <strong>\u30b3\u30fc\u30b9<\/strong>\u306b\u306f<code>\u30c8\u30d4\u30c3\u30af<\/code>\u304c\u3042\u308b\u3002\u30c8\u30d4\u30c3\u30af\u304c\u6a19\u6e96\u7684\uff08\u6570\u5b66\u3001\u79d1\u5b66\u306a\u3069\uff09\u3067\u3042\u308c\u3070\u3001\u5c5e\u6027\u3068\u3057\u3066\u6271\u3048\u308b\u3002\u30c8\u30d4\u30c3\u30af\u304c\u8907\u96d1\uff08\u8aac\u660e\u3084\u96e3\u6613\u5ea6\u30ec\u30d9\u30eb\u3092\u6301\u3064\uff09\u3067\u3042\u308c\u3070\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u3057\u3066\u6271\u3046\u3079\u304d\u3067\u3042\u308b\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u8aa4\u308b\u3068\u3001\u904e\u5ea6\u306b\u975e\u6b63\u898f\u5316\u3055\u308c\u305f\u30c6\u30fc\u30d6\u30eb\u307e\u305f\u306f\u4e0d\u5fc5\u8981\u306a\u307b\u3069\u65ad\u7247\u5316\u3055\u308c\u305f\u30e2\u30c7\u30eb\u306b\u306a\u308b\u3002\u76ee\u6a19\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u304c\u8981\u6c42\u3057\u306a\u3044\u8907\u96d1\u3055\u3092\u5c0e\u5165\u305b\u305a\u306b\u3001\u5fc5\u8981\u306a\u8a73\u7d30\u3092\u6349\u3048\u308b\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n<h2>\ud83d\udcc9 \u6b63\u898f\u5316\u3078\u306e\u5f71\u97ff<\/h2>\n<p>\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\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u4e2d\u3001\u4e3b\u306b\u5c5e\u6027\u304c\u79fb\u52d5\u3055\u308c\u308b\u5358\u4f4d\u3068\u306a\u308b\u3002\u5c5e\u6027\u306e\u632f\u308b\u821e\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u7b2c3\u6b63\u898f\u5f62\uff083NF\uff09\u306b\u5230\u9054\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/p>\n<h3>\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2<\/h3>\n<p>\u975e\u30ad\u30fc\u5c5e\u6027\u304c\u4ed6\u306e\u975e\u30ad\u30fc\u5c5e\u6027\u306b\u4f9d\u5b58\u3059\u308b\u5834\u5408\u3001\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u304c\u767a\u751f\u3059\u308b\u3002\u3053\u308c\u306f\u5c5e\u6027\u8a2d\u8a08\u306b\u304a\u3051\u308b\u3088\u304f\u3042\u308b\u843d\u3068\u3057\u7a74\u3067\u3042\u308b\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3092\u60f3\u50cf\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<strong>\u6ce8\u6587<\/strong>\u3068\u3044\u3046\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u308a\u3001\u4ee5\u4e0b\u306e\u9805\u76ee\u3092\u542b\u3093\u3067\u3044\u307e\u3059\uff1a<code>\u6ce8\u6587ID<\/code>, <code>\u9867\u5ba2ID<\/code>, <code>\u9867\u5ba2\u540d<\/code>\u3001\u304a\u3088\u3073<code>\u9867\u5ba2\u4f4f\u6240<\/code>.<\/p>\n<ul>\n<li><code>\u9867\u5ba2\u540d<\/code>\u306f\u2026\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059<code>\u9867\u5ba2ID<\/code>.<\/li>\n<li><code>\u9867\u5ba2\u4f4f\u6240<\/code>\u306f\u2026\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059<code>\u9867\u5ba2ID<\/code>.<\/li>\n<li><code>\u9867\u5ba2\u540d<\/code>\u306f\u2026\u306b\u4f9d\u5b58\u3057\u307e\u305b\u3093<code>\u6ce8\u6587ID<\/code>.<\/li>\n<\/ul>\n<p>\u3053\u3053\u3067\u3001<code>\u9867\u5ba2\u4f4f\u6240<\/code>\u306f\u2026\u3092\u7d4c\u7531\u3057\u3066\u2026\u306b\u4f1d\u9054\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059<code>\u6ce8\u6587ID<\/code>\u3092\u7d4c\u7531\u3057\u3066<code>\u9867\u5ba2ID<\/code>\u3002\u3053\u308c\u3092\u6b63\u898f\u5316\u3059\u308b\u306b\u306f\u3001\u9867\u5ba2\u5c5e\u6027\u3092\u5225\u3005\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u79fb\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<strong>\u9867\u5ba2<\/strong> \u30c6\u30fc\u30d6\u30eb\u3002\u3053\u308c\u306b\u3088\u308a\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u524a\u6e1b\u3057\u3001\u9867\u5ba2\u304c\u79fb\u52d5\u3057\u305f\u5834\u5408\u3067\u30821\u3064\u306e\u30ec\u30b3\u30fc\u30c9\u306e\u307f\u3092\u66f4\u65b0\u3059\u308c\u3070\u6e08\u3080\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002<\/p>\n<h3>\u95a2\u6570\u7684\u4f9d\u5b58\u95a2\u4fc2<\/h3>\n<p>\u3059\u3079\u3066\u306e\u5c5e\u6027\u306f\u3001\u4e3b\u30ad\u30fc\u306b\u5bfe\u3057\u3066\u660e\u78ba\u306a\u95a2\u6570\u7684\u4f9d\u5b58\u95a2\u4fc2\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308b\u3002\u5c5e\u6027\u306e\u5024\u3092\u6c7a\u5b9a\u3059\u308b\u30ad\u30fc\u304c\u7279\u5b9a\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001\u305d\u306e\u5c5e\u6027\u306f\u305d\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5c5e\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002\u3053\u306e\u30c1\u30a7\u30c3\u30af\u306f\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/p>\n<p><strong>\u30eb\u30fc\u30eb\uff1a<\/strong> \u3059\u3079\u3066\u306e\u975e\u30ad\u30fc\u5c5e\u6027\u306f\u3001\u30ad\u30fc\u306b\u3064\u3044\u3066\u306e\u4e8b\u5b9f\u3001\u5b8c\u5168\u306a\u30ad\u30fc\u306b\u3064\u3044\u3066\u306e\u4e8b\u5b9f\u3001\u305d\u3057\u3066\u30ad\u30fc\u4ee5\u5916\u306e\u4f55\u3082\u306a\u3044\u3053\u3068\u3092\u63d0\u4f9b\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n<h2>\ud83d\udeab \u907f\u3051\u308b\u3079\u304d\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74<\/h2>\n<p>\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30c7\u30b6\u30a4\u30ca\u30fc\u3067\u3082\u3001\u5c5e\u6027\u3092\u5b9a\u7fa9\u3059\u308b\u969b\u306b\u7f60\u306b\u306f\u307e\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u4ee5\u4e0b\u306e\u3082\u306e\u306f\u6700\u3082\u983b\u767a\u3059\u308b\u8aa4\u308a\u3068\u3001\u305d\u308c\u3089\u3092\u907f\u3051\u308b\u65b9\u6cd5\u3067\u3042\u308b\u3002<\/p>\n<h3>1. \u6d3e\u751f\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58<\/h3>\n<p>\u30af\u30a8\u30ea\u6642\u306e\u8a08\u7b97\u6642\u9593\u3092\u7bc0\u7d04\u3059\u308b\u305f\u3081\u306b\u3001\u8a08\u7b97\u6e08\u307f\u306e\u5024\u3092\u4fdd\u5b58\u3057\u305f\u304f\u306a\u308b\u304c\u3001\u3053\u308c\u306f\u8a98\u60d1\u3067\u3042\u308b\u3002\u4f8b\u3048\u3070\u3001<code>\u5408\u8a08\u4fa1\u683c<\/code> \u3092\u6ce8\u6587\u30c6\u30fc\u30d6\u30eb\u306b\u4fdd\u5b58\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001<code>\u660e\u7d30\u9805\u76ee<\/code>.<\/p>\n<ul>\n<li><strong>\u30ea\u30b9\u30af\uff1a<\/strong> \u30c7\u30fc\u30bf\u306e\u4e0d\u6574\u5408\u3002\u5546\u54c1\u4fa1\u683c\u304c\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u3001\u5c65\u6b74\u4e0a\u306e\u6ce8\u6587\u5408\u8a08\u304c\u6b63\u3057\u304f\u306a\u304f\u306a\u308b\u3002\u5408\u8a08\u4fa1\u683c\u30d5\u30a3\u30fc\u30eb\u30c9\u3082\u540c\u6642\u306b\u66f4\u65b0\u3057\u306a\u3044\u9650\u308a\u3001\u6b63\u3057\u3044\u5024\u306b\u306f\u306a\u3089\u306a\u3044\u3002<\/li>\n<li><strong> \u89e3\u6c7a\u7b56\uff1a<\/strong> \u57fa\u672c\u30c7\u30fc\u30bf\u306e\u307f\u3092\u4fdd\u5b58\u3059\u308b\u3002\u6d3e\u751f\u5024\u306f\u30af\u30a8\u30ea\u5b9f\u884c\u6642\u307e\u305f\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3067\u8a08\u7b97\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>2. \u30c7\u30fc\u30bf\u578b\u306e\u7121\u8996<\/h3>\n<p>\u3059\u3079\u3066\u306b\u6c4e\u7528\u7684\u306a\u6587\u5b57\u5217\u578b\u3092\u4f7f\u7528\u3059\u308b\u306e\u306f\u6642\u9593\u306e\u7bc0\u7d04\u306b\u306a\u308b\u304c\u3001\u5f8c\u306b\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002\u65e5\u4ed8\u3092\u6587\u5b57\u5217\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3068\u3001\u52b9\u7387\u7684\u306b\u4e26\u3079\u66ff\u3048\u3084\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304c\u3067\u304d\u306a\u3044\u3002\u6570\u5024\u3092\u6587\u5b57\u5217\u3068\u3057\u3066\u4fdd\u5b58\u3059\u308b\u3068\u3001\u6570\u5b66\u7684\u6f14\u7b97\u304c\u884c\u3048\u306a\u304f\u306a\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/strong> \u30c9\u30e1\u30a4\u30f3\u306b\u5408\u3063\u305f\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u578b\u3092\u9078\u629e\u3059\u308b\u3002\u9069\u5207\u306a\u5834\u9762\u3067<code>DATE<\/code>, <code>INT<\/code>, <code>DECIMAL<\/code>\u3001\u307e\u305f\u306f<code>BLOB<\/code> \u3092\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>3. \u6587\u5b57\u30bb\u30c3\u30c8\u306e\u7121\u8996<\/h3>\n<p>\u30c6\u30ad\u30b9\u30c8\u5c5e\u6027\u306b\u306f\u660e\u78ba\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u6587\u5b57\u30bb\u30c3\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002ASCII\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u304c\u3001UTF-8\u306e\u5165\u529b\u3092\u53d7\u3051\u53d6\u308b\u3068\u3001\u7279\u6b8a\u6587\u5b57\u304c\u5931\u308f\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u78ba\u8a8d\uff1a<\/strong>\u30bf\u30fc\u30b2\u30c3\u30c8\u30e6\u30fc\u30b6\u30fc\u306b\u5fc5\u8981\u306a\u7167\u5408\u9806\u5e8f\u3068\u6587\u5b57\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<h2>\ud83d\ude80 \u5c5e\u6027\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff<\/h2>\n<p>\u5c5e\u6027\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u304c\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u30fb\u4fdd\u5b58\u3059\u308b\u65b9\u6cd5\u306b\u76f4\u63a5\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u5c5e\u6027\u306e\u7269\u7406\u7684\u5b9f\u88c5\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n<h3>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6226\u7565<\/h3>\n<p>\u3059\u3079\u3066\u306e\u5c5e\u6027\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8cbc\u308b\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u66f8\u304d\u8fbc\u307f\u64cd\u4f5c\uff08INSERT\u3001UPDATE\u3001DELETE\uff09\u306b\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u304c\u3001\u8aad\u307f\u53d6\u308a\u64cd\u4f5c\uff08SELECT\uff09\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u9ad8\u57fa\u6570\uff1a<\/strong>\u591a\u304f\u306e\u4e00\u610f\u306e\u5024\u3092\u6301\u3064\u5c5e\u6027\uff08\u4f8b\uff1a\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\uff09\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u9069\u5207\u306a\u5019\u88dc\u3067\u3059\u3002<\/li>\n<li><strong>\u4f4e\u57fa\u6570\uff1a<\/strong>\u4e00\u610f\u306e\u5024\u304c\u5c11\u306a\u3044\u5c5e\u6027\uff08\u4f8b\uff1a\u6027\u5225\u3084\u30b9\u30c6\u30fc\u30bf\u30b9\uff09\u306f\u3001\u7279\u5b9a\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u4f7f\u308f\u308c\u306a\u3044\u9650\u308a\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u9069\u5207\u306a\u5019\u88dc\u3068\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<h3>\u30b9\u30c8\u30ec\u30fc\u30b8\u52b9\u7387<\/h3>\n<p>\u53ef\u5909\u9577\u5c5e\u6027\u306f\u56fa\u5b9a\u9577\u5c5e\u6027\u3068\u6bd4\u8f03\u3057\u3066\u30b9\u30da\u30fc\u30b9\u3092\u7bc0\u7d04\u3067\u304d\u307e\u3059\u304c\u3001\u30d5\u30e9\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u306e\u7406\u89e3\u306f\u91cd\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u56fa\u5b9a\u9577\uff1a<\/strong>\u691c\u7d22\u304c\u9ad8\u901f\u3067\u3059\u304c\u3001\u30c7\u30fc\u30bf\u304c\u77ed\u3044\u5834\u5408\u3001\u7121\u99c4\u306a\u30b9\u30da\u30fc\u30b9\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u53ef\u5909\u9577\uff1a<\/strong>\u30b9\u30da\u30fc\u30b9\u3092\u7bc0\u7d04\u3067\u304d\u307e\u3059\u304c\u3001\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306b\u3088\u308a\u3001\u308f\u305a\u304b\u306b\u691c\u7d22\u304c\u9045\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u2705 \u5c5e\u6027\u8a2d\u8a08\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n<p>ER\u56f3\u3092\u6700\u7d42\u6c7a\u5b9a\u3059\u308b\u524d\u306b\u3001\u3053\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u3001\u5c5e\u6027\u304c\u5805\u7262\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\u2611\ufe0f \u3059\u3079\u3066\u306e\u5c5e\u6027\u304c\u539f\u5b50\u7684\u3067\u3059\u304b\uff081\u3064\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u30ea\u30b9\u30c8\u304c\u542b\u307e\u308c\u306a\u3044\uff09\uff1f<\/li>\n<li>\u2611\ufe0f \u3059\u3079\u3066\u306e\u5c5e\u6027\u306b\u4e00\u610f\u3067\u8aac\u660e\u7684\u306a\u540d\u524d\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/li>\n<li>\u2611\ufe0f \u30c7\u30fc\u30bf\u578b\u304c\u671f\u5f85\u3055\u308c\u308b\u5024\u306b\u9069\u5207\u3067\u3059\u304b\uff1f<\/li>\n<li>\u2611\ufe0f \u3059\u3079\u3066\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u5bfe\u3057\u3066null\u8a31\u5bb9\u5236\u7d04\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/li>\n<li>\u2611\ufe0f \u6d3e\u751f\u5c5e\u6027\u306f\u8a08\u7b97\u306b\u7f6e\u304d\u63db\u3048\u308b\u305f\u3081\u306b\u524a\u9664\u3055\u308c\u307e\u3057\u305f\u304b\uff1f<\/li>\n<li>\u2611\ufe0f \u3069\u306e\u5c5e\u6027\u3082\u6b63\u898f\u5316\u30eb\u30fc\u30eb\u306b\u9055\u53cd\u3057\u3066\u3044\u307e\u305b\u3093\u304b\uff1f<\/li>\n<li>\u2611\ufe0f \u30b9\u30c8\u30ec\u30fc\u30b8\u30b5\u30a4\u30ba\u304c\u60f3\u5b9a\u3055\u308c\u308b\u30c7\u30fc\u30bf\u91cf\u306b\u6700\u9069\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/li>\n<li>\u2611\ufe0f \u5916\u90e8\u30ad\u30fc\u304c\u89aa\u5c5e\u6027\u306b\u6b63\u3057\u304f\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/li>\n<\/ul>\n<p>\u3053\u306e\u30ea\u30b9\u30c8\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306e\u57fa\u76e4\u304c\u3057\u3063\u304b\u308a\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u4eca\u300c\u52d5\u304f\u304b\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u4f55\u5e74\u3082\u52d5\u304f\u304b\u300d\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\ud83d\udd17 \u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u76f8\u4e92\u4f5c\u7528<\/h2>\n<p>\u8907\u96d1\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u5c5e\u6027\u304c\u3057\u3070\u3057\u3070\u8907\u6570\u306e\u6587\u8108\u306b\u308f\u305f\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u76e3\u67fb\u30ed\u30b0\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u8ab0\u304c\u30ec\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3057\u305f\u304b\u3001\u3044\u3064\u5909\u66f4\u3057\u305f\u304b\u3092\u8ffd\u8de1\u3059\u308b\u305f\u3081\u306e\u5c5e\u6027\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u3059\u3079\u3066\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5c5e\u6027\u306e\u30bb\u30c3\u30c8\u3092\u5b9f\u88c5\u3059\u308b\u5f62\u3067\u3088\u304f\u884c\u308f\u308c\u307e\u3059\uff08<code>\u4f5c\u6210\u8005<\/code>, <code>\u4f5c\u6210\u65e5\u6642<\/code>, <code>\u66f4\u65b0\u8005<\/code>, <code>\u66f4\u65b0\u65e5\u6642<\/code>).<\/p>\n<p>\u3053\u306e\u65b9\u6cd5\u306f\u5197\u9577\u6027\u3092\u5897\u52a0\u3055\u305b\u307e\u3059\u304c\u3001\u8ffd\u8de1\u53ef\u80fd\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u610f\u56f3\u7684\u306a\u8a2d\u8a08\u9078\u629e\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u5c5e\u6027\u306f\u5358\u306a\u308b\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u3067\u306f\u306a\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u30e1\u30bf\u30c7\u30fc\u30bf\u3067\u3059\u3002\u3059\u3079\u3066\u306e\u5c5e\u6027\u306e\u76ee\u7684\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3001\u3053\u306e\u8907\u96d1\u3055\u3092\u7ba1\u7406\u3059\u308b\u9375\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3082\u3046\u4e00\u3064\u306e\u8003\u616e\u70b9\u306f\u56fd\u969b\u5316\u3067\u3059\u3002\u540d\u524d\u3084\u4f4f\u6240\u306a\u3069\u306e\u5c5e\u6027\u306f\u3001\u7570\u306a\u308b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5bfe\u5fdc\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u30e6\u30fc\u30b6\u30fc\u57fa\u76e4\u3067\u306f\u3001\u5358\u4e00\u306e\u5c5e\u6027\u69cb\u9020\u3067\u306f\u5341\u5206\u3067\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u65e9\u671f\u306b\u67d4\u8edf\u6027\u3092\u8003\u616e\u3057\u3066\u8a2d\u8a08\u3059\u308b\u2014\u2014\u305f\u3068\u3048\u3070\u3001\u5358\u4e00\u306e\u300c\u30d5\u30eb\u30cd\u30fc\u30e0\u300d\u6587\u5b57\u5217\u3067\u306f\u306a\u304f\u3001\u540d\u3068\u59d3\u3092\u5225\u3005\u306e\u5c5e\u6027\u3068\u3057\u3066\u6271\u3046\u2014\u2014\u3053\u3068\u3067\u3001\u5f8c\u306e\u5927\u5e45\u306a\u518d\u8a2d\u8a08\u4f5c\u696d\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<code>\u30d5\u30eb\u30cd\u30fc\u30e0<\/code>\u6587\u5b57\u5217\u3092\u4f7f\u7528\u3059\u308b\u2014\u2014\u3053\u3068\u3067\u3001\u5f8c\u306e\u5927\u5e45\u306a\u518d\u8a2d\u8a08\u4f5c\u696d\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\ud83d\udee1\ufe0f \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u8003\u616e\u4e8b\u9805<\/h2>\n<p>\u5c5e\u6027\u306b\u306f\u3057\u3070\u3057\u3070\u6a5f\u5bc6\u60c5\u5831\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3057\u305f\u8a2d\u8a08\u306f\u3001\u3069\u306e\u5c5e\u6027\u3092\u4fdd\u8b77\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>PII\uff08\u500b\u4eba\u3092\u7279\u5b9a\u3067\u304d\u308b\u60c5\u5831\uff09\uff1a<\/strong>\u540d\u524d\u3001\u4f4f\u6240\u3001ID\u306f\u3001\u9759\u7684\u304a\u3088\u3073\u9001\u4fe1\u4e2d\u3067\u306e\u6697\u53f7\u5316\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<li><strong>\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\uff1a<\/strong>\u4e00\u90e8\u306e\u5c5e\u6027\u306f\u3001\u7279\u5b9a\u306e\u5f79\u5272\u306b\u306e\u307f\u8868\u793a\u3055\u308c\u308b\u3079\u304d\u3067\u3059\u3002ER\u56f3\u3067\u306f\u3001\u305d\u306e\u3088\u3046\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u6a5f\u5bc6\u3067\u3042\u308b\u3053\u3068\u3092\u660e\u8a18\u3057\u3066\u304a\u304f\u306e\u304c\u7406\u60f3\u7684\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5236\u5fa1\u306e\u5b9f\u65bd\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64\u3067\u884c\u308f\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\uff1a<\/strong>GDPR\u3084CCPA\u306a\u3069\u306e\u898f\u5236\u306f\u3001\u7279\u5b9a\u306e\u5c5e\u6027\u3092\u3069\u306e\u7a0b\u5ea6\u306e\u671f\u9593\u4fdd\u6301\u3059\u308b\u304b\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u30c7\u30fc\u30bf\u4fdd\u6301\u30dd\u30ea\u30b7\u30fc\uff08\u4f8b\uff1a<code>\u6709\u52b9\u671f\u9650<\/code>\u5c5e\u6027\uff09\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u308b\u3088\u3046\u306b\u30b9\u30ad\u30fc\u30de\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306b\u8ca2\u732e\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u30e2\u30c7\u30eb\u5316\u6bb5\u968e\u3067\u3053\u308c\u3089\u306e\u8003\u616e\u4e8b\u9805\u3092\u7121\u8996\u3059\u308b\u3068\u3001\u5f8c\u3067\u9ad8\u984d\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d1\u30c3\u30c1\u3084\u6cd5\u7684\u554f\u984c\u306b\u76f4\u9762\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6a5f\u5bc6\u5c5e\u6027\u306f\u69cb\u9020\u7684\u306a\u5c5e\u6027\u3068\u540c\u69d8\u306e\u53b3\u5bc6\u3055\u3067\u6271\u3046\u3079\u304d\u3067\u3059\u3002<\/p>\n<h2>\ud83d\udcdd \u4e3b\u306a\u30dd\u30a4\u30f3\u30c8\u306e\u307e\u3068\u3081<\/h2>\n<p>\u5c5e\u6027\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u672c\u8cea\u3067\u3059\u3002\u305d\u308c\u3089\u304c\u306a\u3051\u308c\u3070\u3001\u95a2\u4fc2\u6027\u306f\u7a7a\u306e\u7bb1\u3092\u3064\u306a\u3050\u305f\u3060\u306e\u7a7a\u306e\u7dda\u306b\u3059\u304e\u307e\u305b\u3093\u3002\u9069\u5207\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5c5e\u6027\u306e\u30bb\u30c3\u30c8\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3001\u52b9\u7387\u6027\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u539f\u5b50\u6027\u306b\u6ce8\u76ee\u3059\u308b\uff1a<\/strong>\u30c7\u30fc\u30bf\u3092\u7d30\u304b\u304f\u3001\u5206\u5272\u3067\u304d\u306a\u3044\u72b6\u614b\u306b\u4fdd\u3064\u3002<\/li>\n<li><strong>\u6b63\u898f\u5316\u3092\u5c0a\u91cd\u3059\u308b\uff1a<\/strong>\u4f1d\u9054\u4f9d\u5b58\u95a2\u4fc2\u3092\u6392\u9664\u3057\u3066\u3001\u7570\u5e38\u3092\u9632\u3050\u3002<\/li>\n<li><strong>\u5236\u7d04\u3092\u5b9a\u7fa9\u3059\u308b\uff1a<\/strong>\u30c7\u30fc\u30bf\u578b\u3068null\u8a31\u5bb9\u6027\u3092\u6d3b\u7528\u3057\u3066\u3001\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u3092\u5f37\u5236\u3059\u308b\u3002<\/li>\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u691c\u8a0e\u3059\u308b\uff1a<\/strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8ce2\u304f\u8a2d\u5b9a\u3057\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u30bf\u30a4\u30d7\u3092\u614e\u91cd\u306b\u9078\u629e\u3059\u308b\u3002<\/li>\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8a08\u753b\u3059\u308b\uff1a<\/strong>\u65e9\u671f\u306b\u6a5f\u5bc6\u30c7\u30fc\u30bf\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n<\/ul>\n<p>\u5c5e\u6027\u8a2d\u8a08\u306e\u7d30\u90e8\u306b\u6642\u9593\u3092\u5272\u304f\u3053\u3068\u3067\u3001\u5909\u5316\u306b\u5f37\u3044\u304b\u3064\u52b9\u7387\u7684\u306a\u904b\u7528\u304c\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002ER\u56f3\u306e\u529b\u306f\u3001\u63a5\u7d9a\u6027\u306b\u7559\u307e\u3089\u305a\u3001\u305d\u306e\u6349\u3048\u3066\u3044\u308b\u8a73\u7d30\u306e\u6b63\u78ba\u3055\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5efa\u7bc9\u5bb6\u304c\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u8a2d\u8a08\u3092\u59cb\u3081\u308b\u969b\u3001\u6ce8\u76ee\u306f\u3057\u3070\u3057\u3070\u63a5\u7d9a\u306b\u96c6\u307e&hellip;<\/p>\n","protected":false},"author":1,"featured_media":70,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531","_yoast_wpseo_metadesc":"\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u304c\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u3069\u306e\u3088\u3046\u306b\u4fc3\u9032\u3059\u308b\u304b\u3092\u767a\u898b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u57fa\u790e\u306b\u6df1\u304f\u7acb\u3061\u5165\u308a\u307e\u3059\u3002","inline_featured_image":false,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[7],"tags":[8,13],"class_list":["post-69","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-erd","tag-academic","tag-erd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531<\/title>\n<meta name=\"description\" content=\"\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u304c\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u3069\u306e\u3088\u3046\u306b\u4fc3\u9032\u3059\u308b\u304b\u3092\u767a\u898b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u57fa\u790e\u306b\u6df1\u304f\u7acb\u3061\u5165\u308a\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531\" \/>\n<meta property=\"og:description\" content=\"\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u304c\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u3069\u306e\u3088\u3046\u306b\u4fc3\u9032\u3059\u308b\u304b\u3092\u767a\u898b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u57fa\u790e\u306b\u6df1\u304f\u7acb\u3061\u5165\u308a\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/\" \/>\n<meta property=\"og:site_name\" content=\"We Notes \u65e5\u672c\u8a9e\u2013 Collaborative AI Insights &amp; Intelligence Hub\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-05T11:26:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1664\" \/>\n\t<meta property=\"og:image:height\" content=\"928\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"vpadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/\"},\"author\":{\"name\":\"vpadmin\",\"@id\":\"https:\/\/www.we-notes.com\/ja\/#\/schema\/person\/6fb9f9e55a3031c51049e541adf4642c\"},\"headline\":\"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u898b\u904e\u3054\u3055\u308c\u305f\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531\",\"datePublished\":\"2026-04-05T11:26:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/\"},\"wordCount\":38,\"publisher\":{\"@id\":\"https:\/\/www.we-notes.com\/ja\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg\",\"keywords\":[\"academic\",\"erd\"],\"articleSection\":[\"ERD\"],\"inLanguage\":\"ja\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/\",\"url\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/\",\"name\":\"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531\",\"isPartOf\":{\"@id\":\"https:\/\/www.we-notes.com\/ja\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg\",\"datePublished\":\"2026-04-05T11:26:11+00:00\",\"description\":\"\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u304c\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u3069\u306e\u3088\u3046\u306b\u4fc3\u9032\u3059\u308b\u304b\u3092\u767a\u898b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u57fa\u790e\u306b\u6df1\u304f\u7acb\u3061\u5165\u308a\u307e\u3059\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#primaryimage\",\"url\":\"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg\",\"contentUrl\":\"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg\",\"width\":1664,\"height\":928},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.we-notes.com\/ja\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u898b\u904e\u3054\u3055\u308c\u305f\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.we-notes.com\/ja\/#website\",\"url\":\"https:\/\/www.we-notes.com\/ja\/\",\"name\":\"We Notes \u65e5\u672c\u8a9e\u2013 Collaborative AI Insights &amp; Intelligence Hub\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.we-notes.com\/ja\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.we-notes.com\/ja\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ja\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.we-notes.com\/ja\/#organization\",\"name\":\"We Notes \u65e5\u672c\u8a9e\u2013 Collaborative AI Insights &amp; Intelligence Hub\",\"url\":\"https:\/\/www.we-notes.com\/ja\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.we-notes.com\/ja\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/03\/we-notes-logo.png\",\"contentUrl\":\"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/03\/we-notes-logo.png\",\"width\":1042,\"height\":322,\"caption\":\"We Notes \u65e5\u672c\u8a9e\u2013 Collaborative AI Insights &amp; Intelligence Hub\"},\"image\":{\"@id\":\"https:\/\/www.we-notes.com\/ja\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.we-notes.com\/ja\/#\/schema\/person\/6fb9f9e55a3031c51049e541adf4642c\",\"name\":\"vpadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.we-notes.com\/ja\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"caption\":\"vpadmin\"},\"sameAs\":[\"https:\/\/www.we-notes.com\"],\"url\":\"https:\/\/www.we-notes.com\/ja\/author\/vpadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531","description":"\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u304c\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u3069\u306e\u3088\u3046\u306b\u4fc3\u9032\u3059\u308b\u304b\u3092\u767a\u898b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u57fa\u790e\u306b\u6df1\u304f\u7acb\u3061\u5165\u308a\u307e\u3059\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/","og_locale":"ja_JP","og_type":"article","og_title":"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531","og_description":"\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u304c\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u3069\u306e\u3088\u3046\u306b\u4fc3\u9032\u3059\u308b\u304b\u3092\u767a\u898b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u57fa\u790e\u306b\u6df1\u304f\u7acb\u3061\u5165\u308a\u307e\u3059\u3002","og_url":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/","og_site_name":"We Notes \u65e5\u672c\u8a9e\u2013 Collaborative AI Insights &amp; Intelligence Hub","article_published_time":"2026-04-05T11:26:11+00:00","og_image":[{"width":1664,"height":928,"url":"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg","type":"image\/jpeg"}],"author":"vpadmin","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":false},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#article","isPartOf":{"@id":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/"},"author":{"name":"vpadmin","@id":"https:\/\/www.we-notes.com\/ja\/#\/schema\/person\/6fb9f9e55a3031c51049e541adf4642c"},"headline":"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u898b\u904e\u3054\u3055\u308c\u305f\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531","datePublished":"2026-04-05T11:26:11+00:00","mainEntityOfPage":{"@id":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/"},"wordCount":38,"publisher":{"@id":"https:\/\/www.we-notes.com\/ja\/#organization"},"image":{"@id":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#primaryimage"},"thumbnailUrl":"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg","keywords":["academic","erd"],"articleSection":["ERD"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/","url":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/","name":"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531","isPartOf":{"@id":"https:\/\/www.we-notes.com\/ja\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#primaryimage"},"image":{"@id":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#primaryimage"},"thumbnailUrl":"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg","datePublished":"2026-04-05T11:26:11+00:00","description":"\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u304c\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u3069\u306e\u3088\u3046\u306b\u4fc3\u9032\u3059\u308b\u304b\u3092\u767a\u898b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306e\u57fa\u790e\u306b\u6df1\u304f\u7acb\u3061\u5165\u308a\u307e\u3059\u3002","breadcrumb":{"@id":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#primaryimage","url":"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg","contentUrl":"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/04\/kawaii-er-diagram-attributes-infographic.jpg","width":1664,"height":928},{"@type":"BreadcrumbList","@id":"https:\/\/www.we-notes.com\/ja\/power-of-attributes-in-erd-diagrams\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.we-notes.com\/ja\/"},{"@type":"ListItem","position":2,"name":"ER\u56f3\u306b\u304a\u3051\u308b\u5c5e\u6027\u306e\u898b\u904e\u3054\u3055\u308c\u305f\u529b\uff1a\u3042\u306a\u305f\u304c\u601d\u3063\u3066\u3044\u308b\u4ee5\u4e0a\u306b\u91cd\u8981\u306a\u7406\u7531"}]},{"@type":"WebSite","@id":"https:\/\/www.we-notes.com\/ja\/#website","url":"https:\/\/www.we-notes.com\/ja\/","name":"We Notes \u65e5\u672c\u8a9e\u2013 Collaborative AI Insights &amp; Intelligence Hub","description":"","publisher":{"@id":"https:\/\/www.we-notes.com\/ja\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.we-notes.com\/ja\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/www.we-notes.com\/ja\/#organization","name":"We Notes \u65e5\u672c\u8a9e\u2013 Collaborative AI Insights &amp; Intelligence Hub","url":"https:\/\/www.we-notes.com\/ja\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.we-notes.com\/ja\/#\/schema\/logo\/image\/","url":"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/03\/we-notes-logo.png","contentUrl":"https:\/\/www.we-notes.com\/ja\/wp-content\/uploads\/sites\/21\/2026\/03\/we-notes-logo.png","width":1042,"height":322,"caption":"We Notes \u65e5\u672c\u8a9e\u2013 Collaborative AI Insights &amp; Intelligence Hub"},"image":{"@id":"https:\/\/www.we-notes.com\/ja\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.we-notes.com\/ja\/#\/schema\/person\/6fb9f9e55a3031c51049e541adf4642c","name":"vpadmin","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.we-notes.com\/ja\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","caption":"vpadmin"},"sameAs":["https:\/\/www.we-notes.com"],"url":"https:\/\/www.we-notes.com\/ja\/author\/vpadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.we-notes.com\/ja\/wp-json\/wp\/v2\/posts\/69","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.we-notes.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.we-notes.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.we-notes.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.we-notes.com\/ja\/wp-json\/wp\/v2\/comments?post=69"}],"version-history":[{"count":0,"href":"https:\/\/www.we-notes.com\/ja\/wp-json\/wp\/v2\/posts\/69\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.we-notes.com\/ja\/wp-json\/wp\/v2\/media\/70"}],"wp:attachment":[{"href":"https:\/\/www.we-notes.com\/ja\/wp-json\/wp\/v2\/media?parent=69"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.we-notes.com\/ja\/wp-json\/wp\/v2\/categories?post=69"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.we-notes.com\/ja\/wp-json\/wp\/v2\/tags?post=69"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}