{"id":1572,"date":"2026-03-23T11:25:57","date_gmt":"2026-03-23T11:25:57","guid":{"rendered":"https:\/\/www.go-diagram.com\/ja\/erd-practice-problems-realistic-scenarios\/"},"modified":"2026-03-23T11:25:57","modified_gmt":"2026-03-23T11:25:57","slug":"erd-practice-problems-realistic-scenarios","status":"publish","type":"post","link":"https:\/\/www.go-diagram.com\/ja\/erd-practice-problems-realistic-scenarios\/","title":{"rendered":"ERD\u306e\u7df4\u7fd2\u554f\u984c\uff1a\u73fe\u5b9f\u7684\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u81ea\u4fe1\u3092\u3064\u3051\u308b"},"content":{"rendered":"<p>\u5805\u7262\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u8a2d\u8a08\u3059\u308b\u306b\u306f\u3001\u69cb\u6587\u3092\u7406\u89e3\u3059\u308b\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002\u73fe\u5b9f\u306e\u30b7\u30b9\u30c6\u30e0\u5185\u3067\u30c7\u30fc\u30bf\u304c\u3069\u306e\u3088\u3046\u306b\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u304b\u3092\u660e\u78ba\u306a\u7cbe\u795e\u7684\u30e2\u30c7\u30eb\u3067\u628a\u63e1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u306f\u3001\u3053\u306e\u69cb\u9020\u306e\u8a2d\u8a08\u56f3\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u7df4\u7fd2\u304c\u306a\u3051\u308c\u3070\u3001\u6b63\u898f\u5316\u3001\u57fa\u6570\u3001\u5916\u90e8\u30ad\u30fc\u3068\u3044\u3063\u305f\u7406\u8ad6\u7684\u6982\u5ff5\u306f\u62bd\u8c61\u7684\u306a\u3082\u306e\u306b\u7559\u307e\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30e2\u30c7\u30ea\u30f3\u30b0\u3092\u672c\u8cea\u7684\u306b\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u5b9f\u969b\u306e\u30d3\u30b8\u30cd\u30b9\u8ad6\u7406\u3092\u6a21\u5023\u3059\u308b\u5b9f\u8df5\u7684\u306a\u554f\u984c\u306b\u53d6\u308a\u7d44\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u306f\u3001\u5177\u4f53\u7684\u3067\u73fe\u5b9f\u7684\u306a\u30b7\u30ca\u30ea\u30aa\u3092\u901a\u3058\u3066ERD\u306e\u539f\u5247\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u4f8b\u984c\u3092\u89e3\u304f\u3053\u3068\u3067\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u7279\u5b9a\u3057\u3001\u95a2\u4fc2\u3092\u5b9a\u7fa9\u3057\u3001\u4e00\u822c\u7684\u306a\u69cb\u9020\u4e0a\u306e\u8aa4\u308a\u3092\u907f\u3051\u308b\u80fd\u529b\u304c\u5f37\u5316\u3055\u308c\u307e\u3059\u3002\u76ee\u7684\u306f\u3001\u8907\u96d1\u306a\u8981\u4ef6\u3092\u660e\u78ba\u3067\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306e\u4fe1\u983c\u3067\u304d\u308b\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Child's drawing style infographic teaching ERD practice problems for database design, featuring colorful crayon illustrations of core components (entities, attributes, cardinality types), three realistic scenarios (e-commerce shopping cart, hospital management, university portal), common pitfalls with warning icons, step-by-step workflow checklist, and advanced concepts like weak entities and inheritance, all presented in playful hand-drawn aesthetic with bright colors and simple labels for intuitive learning\" decoding=\"async\" src=\"https:\/\/www.go-diagram.com\/wp-content\/uploads\/2026\/03\/erd-practice-problems-infographic-childs-drawing-style.jpg\"\/><\/figure>\n<\/div>\n<h2>\u30b3\u30a2\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u7406\u89e3 \ud83e\uddf1<\/h2>\n<p>\u30b7\u30ca\u30ea\u30aa\u306b\u53d6\u308a\u7d44\u3080\u524d\u306b\u3001ERD\u306e\u69cb\u6210\u8981\u7d20\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3057\u3063\u304b\u308a\u3068\u3057\u305f\u57fa\u790e\u304c\u3042\u308c\u3070\u3001\u8907\u96d1\u306a\u8981\u4ef6\u306b\u76f4\u9762\u3057\u305f\u3068\u304d\u3001\u57fa\u672c\u304b\u3089\u518d\u5b66\u7fd2\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>1. \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u5c5e\u6027<\/h3>\n<ul>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff1a<\/strong> \u3053\u308c\u3089\u306f\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u660e\u78ba\u306a\u5bfe\u8c61\u3084\u6982\u5ff5\u3092\u8868\u3057\u307e\u3059\u3002\u4f8b\u3068\u3057\u3066\u3001<em>\u9867\u5ba2<\/em>, <em>\u88fd\u54c1<\/em>\u3001\u307e\u305f\u306f<em>\u5f93\u696d\u54e1<\/em>.<\/li>\n<li><strong>\u5c5e\u6027\uff1a<\/strong> \u3053\u308c\u3089\u306f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u7279\u6027\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070<em>\u9867\u5ba2<\/em>\u306e\u5834\u5408\u3001\u5c5e\u6027\u306b\u306f<em>\u9867\u5ba2ID<\/em>, <em>\u6c0f\u540d<\/em>\u3001\u304a\u3088\u3073<em>\u96fb\u5b50\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9<\/em>.<\/li>\n<li><strong>\u4e3b\u30ad\u30fc\uff1a<\/strong> \u3059\u3079\u3066\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u306f\u30011\u3064\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u4ed6\u306e\u30ec\u30b3\u30fc\u30c9\u3068\u533a\u5225\u3059\u308b\u305f\u3081\u306e\u56fa\u6709\u306e\u8b58\u5225\u5b50\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n<h3>2. \u95a2\u4fc2\u3068\u57fa\u6570<\/h3>\n<p>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u95a2\u4fc2\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u57fa\u6570\u306f\u3001\u3042\u308b\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u5225\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u95a2\u9023\u3059\u308b\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u57fa\u6570\u306e\u7a2e\u985e<\/th>\n<th>\u8aac\u660e<\/th>\n<th>\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1\u5bfe1\uff081:1\uff09<\/td>\n<td>1\u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u5225\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u6b63\u78ba\u306b1\u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002<\/td>\n<td>1\u3064<em>\u5f93\u696d\u54e1<\/em>\u306f1\u3064\u3092\u6240\u6709\u3059\u308b<em>\u793e\u54e1\u8a3c<\/em>.<\/td>\n<\/tr>\n<tr>\n<td>1\u5bfe\u591a\uff081:N\uff09<\/td>\n<td>1\u3064\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u5225\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u8907\u6570\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002<\/td>\n<td>1\u3064<em>\u90e8\u7f72<\/em>\u306f\u8907\u6570\u3092\u6240\u6709\u3059\u308b<em>\u5f93\u696d\u54e1<\/em>.<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u5bfe\u591a\uff08M:N\uff09<\/td>\n<td>\u8907\u6570\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u5225\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u8907\u6570\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002<\/td>\n<td>\u8907\u6570<em>\u5b66\u751f<\/em>\u306f\u8907\u6570\u306e<em>\u6388\u696d<\/em>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30b7\u30ca\u30ea\u30aa1\uff1aEC\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0 \ud83d\uded2<\/h2>\n<p>\u30aa\u30f3\u30e9\u30a4\u30f3\u5c0f\u58f2\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u8907\u96d1\u306a\u53d6\u5f15\u3001\u5728\u5eab\u7ba1\u7406\u3001\u30e6\u30fc\u30b6\u30fc \u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u542b\u307f\u307e\u3059\u3002\u3053\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u7d50\u5408\u30c6\u30fc\u30d6\u30eb\u3068\u30b9\u30c6\u30fc\u30bf\u30b9\u8ffd\u8de1\u306e\u51e6\u7406\u80fd\u529b\u3092\u30c6\u30b9\u30c8\u3057\u307e\u3059\u3002<\/p>\n<h3>\u8981\u4ef6\u5206\u6790<\/h3>\n<ul>\n<li>\u9867\u5ba2\u306f\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u8907\u6570\u306e\u6ce8\u6587\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>1\u3064\u306e\u6ce8\u6587\u306b\u306f\u8907\u6570\u306e\u5546\u54c1\u304c\u542b\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u5546\u54c1\u306f\u3001\u8907\u6570\u306e\u7570\u306a\u308b\u6ce8\u6587\u306e\u4e00\u90e8\u306b\u306a\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u5404\u6ce8\u6587\u306f\u3001\u7279\u5b9a\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\uff08\u4f8b\uff1a\u4fdd\u7559\u4e2d\u3001\u767a\u9001\u6e08\u307f\uff09\u3092\u8ffd\u8de1\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/li>\n<li>\u5546\u54c1\u306f\u7279\u5b9a\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5c5e\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u30b9\u30c6\u30c3\u30d7<\/h3>\n<ol>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u7279\u5b9a\uff1a<\/strong> \u30ab\u30b9\u30bf\u30de\u30fc\u3001\u6ce8\u6587\u3001\u88fd\u54c1\u3001\u30ab\u30c6\u30b4\u30ea\u3002<\/li>\n<li><strong>\u5c5e\u6027\u306e\u5b9a\u7fa9\uff1a<\/strong>\n<ul>\n<li><em>\u30ab\u30b9\u30bf\u30de\u30fc\uff1a<\/em> \u30ab\u30b9\u30bf\u30de\u30fc\u30a2\u30a4\u30c7\u30a3\u30fc\u3001\u30d5\u30a1\u30fc\u30b9\u30c8\u30cd\u30fc\u30e0\u3001\u30e9\u30b9\u30c8\u30cd\u30fc\u30e0\u3001\u30e1\u30fc\u30eb\u3002<\/li>\n<li><em>\u6ce8\u6587\uff1a<\/em> \u6ce8\u6587ID\u3001\u6ce8\u6587\u65e5\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u3001\u914d\u9001\u5148\u4f4f\u6240\u3002<\/li>\n<li><em>\u88fd\u54c1\uff1a<\/em> \u88fd\u54c1ID\u3001\u540d\u524d\u3001\u4fa1\u683c\u3001\u5728\u5eab\u6570\u91cf\u3002<\/li>\n<li><em>\u30ab\u30c6\u30b4\u30ea\uff1a<\/em> \u30ab\u30c6\u30b4\u30eaID\u3001\u30ab\u30c6\u30b4\u30ea\u540d\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u95a2\u4fc2\u6027\u306e\u6c7a\u5b9a\uff1a<\/strong>\n<ul>\n<li><em>\u30ab\u30b9\u30bf\u30de\u30fc\u304b\u3089\u6ce8\u6587\uff1a<\/em> 1\u5bfe\u591a\u30021\u4eba\u306e\u30ab\u30b9\u30bf\u30de\u30fc\u304c\u591a\u6570\u306e\u6ce8\u6587\u3092\u751f\u6210\u3059\u308b\u3002<\/li>\n<li><em>\u6ce8\u6587\u304b\u3089\u88fd\u54c1\uff1a<\/em> \u591a\u5bfe\u591a\u3002\u6ce8\u6587\u306f\u591a\u6570\u306e\u88fd\u54c1\u3092\u4fdd\u6301\u3057\u3001\u88fd\u54c1\u306f\u591a\u6570\u306e\u6ce8\u6587\u306b\u542b\u307e\u308c\u308b\u3002\u3053\u308c\u306b\u306f\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u304c\u5fc5\u8981\u3067\u3042\u308b\u3002<\/li>\n<li><em>\u88fd\u54c1\u304b\u3089\u30ab\u30c6\u30b4\u30ea\uff1a<\/em> \u591a\u5bfe1\u3002\u591a\u6570\u306e\u88fd\u54c1\u304c1\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5c5e\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u8a2d\u8a08\u306e\u6d17\u7df4<\/h3>\n<p>\u6ce8\u6587\u3068\u88fd\u54c1\u306e\u591a\u5bfe\u591a\u95a2\u4fc2\u306b\u5bfe\u3057\u3066\u3001\u4e2d\u9593\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u3053\u308c\u306f\u3057\u3070\u3057\u3070<em>\u6ce8\u6587\u30a2\u30a4\u30c6\u30e0<\/em>\u3068\u547c\u3070\u308c\u308b\u3002\u3053\u306e\u30c6\u30fc\u30d6\u30eb\u306f\u76f4\u63a5\u7684\u306a\u30ea\u30f3\u30af\u3092\u89e3\u9664\u3057\u3001\u6ce8\u6587\u660e\u7d30\u306b\u95a2\u3059\u308b\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u305f\u3068\u3048\u3070<em>\u6570\u91cf<\/em>\u304a\u3088\u3073<em>\u8ca9\u58f2\u6642\u5358\u4fa1<\/em>.<\/p>\n<ul>\n<li><strong>\u6ce8\u6587\u30a2\u30a4\u30c6\u30e0\u306e\u5c5e\u6027\uff1a<\/strong> \u6ce8\u6587\u30a2\u30a4\u30c6\u30e0ID\u3001\u6ce8\u6587ID\uff08\u5916\u90e8\u30ad\u30fc\uff09\u3001\u88fd\u54c1ID\uff08\u5916\u90e8\u30ad\u30fc\uff09\u3001\u6570\u91cf\u3001\u5358\u4fa1\u3002<\/li>\n<li><strong>\u6b63\u898f\u5316\u306e\u78ba\u8a8d\uff1a<\/strong> \u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044 <em>\u5358\u4fa1<\/em> \u306f\u3053\u3053\u306b\u4fdd\u5b58\u3055\u308c\u3001\u4ee5\u4e0b\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u4fdd\u5b58\u3055\u308c\u307e\u305b\u3093 <em>\u88fd\u54c1<\/em> \u30c6\u30fc\u30d6\u30eb\u306f\u3001\u4fa1\u683c\u304c\u6642\u9593\u3068\u3068\u3082\u306b\u5909\u5316\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30b7\u30ca\u30ea\u30aa2\uff1a\u75c5\u9662\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0 \ud83c\udfe5<\/h2>\n<p>\u533b\u7642\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u30c7\u30fc\u30bf\u306e\u91cd\u8981\u6027\u306e\u305f\u3081\u3001\u9ad8\u3044\u6b63\u78ba\u6027\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u53b3\u683c\u306a\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3068\u968e\u5c64\u7684\u306a\u95a2\u4fc2\u6027\u304c\u5f37\u8abf\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u8981\u4ef6\u5206\u6790<\/h3>\n<ul>\n<li>\u533b\u5e2b\u306f\u7279\u5b9a\u306e\u90e8\u7f72\u306b\u5c02\u9580\u6027\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u60a3\u8005\u306f\u4e88\u7d04\u306e\u305f\u3081\u306b\u533b\u5e2b\u3092\u8a2a\u308c\u307e\u3059\u3002<\/li>\n<li>1\u4eba\u306e\u533b\u5e2b\u306f\u8907\u6570\u306e\u60a3\u8005\u3092\u62c5\u5f53\u3067\u304d\u30011\u4eba\u306e\u60a3\u8005\u306f\u8907\u6570\u306e\u533b\u5e2b\u306b\u8a3a\u5bdf\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u51e6\u65b9\u7b8b\u306f\u4e88\u7d04\u306e\u969b\u306b\u767a\u884c\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u5404\u60a3\u8005\u306b\u306f\u56fa\u6709\u306e\u533b\u7642\u8a18\u9332\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u30e2\u30c7\u30eb\u5316\u306e\u30b9\u30c6\u30c3\u30d7<\/h3>\n<ol>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u7279\u5b9a\uff1a<\/strong> \u533b\u5e2b\u3001\u60a3\u8005\u3001\u4e88\u7d04\u3001\u51e6\u65b9\u7b8b\u3001\u90e8\u7f72\u3002<\/li>\n<li><strong>\u5c5e\u6027\u306e\u5b9a\u7fa9\uff1a<\/strong>\n<ul>\n<li><em>\u533b\u5e2b\uff1a<\/em> \u533b\u5e2bID\u3001\u540d\u524d\u3001\u5c02\u9580\u5206\u91ce\u3001\u514d\u8a31\u756a\u53f7\u3002<\/li>\n<li><em>\u90e8\u7f72\uff1a<\/em> \u90e8\u7f72ID\u3001\u90e8\u7f72\u540d\u3001\u90e8\u9577\u533b\u5e2bID\u3002<\/li>\n<li><em>\u4e88\u7d04\uff1a<\/em> \u4e88\u7d04ID\u3001\u65e5\u6642\u3001\u8a3a\u65ad\u30e1\u30e2\u3002<\/li>\n<li><em>\u51e6\u65b9\u7b8b\uff1a<\/em> \u51e6\u65b9\u7b8bID\u3001\u85ac\u540d\u3001\u7528\u91cf\u3001\u671f\u9593\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u95a2\u4fc2\u6027\u306e\u6c7a\u5b9a\uff1a<\/strong>\n<ul>\n<li><em>\u90e8\u7f72\u304b\u3089\u533b\u5e2b\u3078\uff1a<\/em> 1\u5bfe\u591a\u30021\u3064\u306e\u90e8\u7f72\u306f\u8907\u6570\u306e\u533b\u5e2b\u3092\u96c7\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><em>\u533b\u5e2b\u304b\u3089\u4e88\u7d04\u3078\uff1a<\/em> 1\u5bfe\u591a\u30021\u4eba\u306e\u533b\u5e2b\u306f\u591a\u304f\u306e\u4e88\u7d04\u3092\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><em>\u60a3\u8005\u304b\u3089\u4e88\u7d04\u307e\u3067\uff1a<\/em> 1\u5bfe\u591a\u30021\u4eba\u306e\u60a3\u8005\u304c\u8907\u6570\u306e\u4e88\u7d04\u306b\u53c2\u52a0\u3059\u308b\u3002<\/li>\n<li><em>\u4e88\u7d04\u304b\u3089\u51e6\u65b9\u307e\u3067\uff1a<\/em> 1\u5bfe\u591a\u30021\u56de\u306e\u4e88\u7d04\u3067\u8907\u6570\u306e\u51e6\u65b9\u304c\u767a\u884c\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u8907\u96d1\u306a\u5236\u7d04\u306e\u51e6\u7406<\/h3>\n<p>\u3053\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u304c\u6700\u3082\u91cd\u8981\u3067\u3059\u3002\u51e6\u65b9\u304c\u4e88\u7d04\u3068\u95a2\u9023\u4ed8\u3051\u3089\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u3067\u5b58\u5728\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u306b\u3088\u3063\u3066\u5f37\u5236\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u81ea\u5df1\u53c2\u7167\u95a2\u4fc2\uff1a<\/strong> A <em>\u533b\u5e2b<\/em> \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u3001\u540c\u3058\u30c6\u30fc\u30d6\u30eb\u5185\u306e <em>\u90e8\u9577\u533b\u5e2b<\/em> \u306b\u30ea\u30f3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308b\u3002\u3053\u308c\u306f\u3001<em>\u90e8\u9577\u533b\u5e2bID<\/em> \u304c <em>\u533b\u5e2bID<\/em>.<\/li>\n<li><strong>\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\uff1a<\/strong> \u4e88\u7d04\u306b\u306f\u7279\u5b9a\u306e\u65e5\u4ed8\u304c\u3042\u308b\u3002\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u306e\u30af\u30a8\u30ea\u3092\u53ef\u80fd\u306b\u3059\u308b\u305f\u3081\u306b\u3001DateTime\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u6a19\u6e96\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u4fdd\u5b58\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u30b7\u30ca\u30ea\u30aa3\uff1a\u5927\u5b66\u5b66\u751f\u30dd\u30fc\u30bf\u30eb \ud83c\udf93<\/h2>\n<p>\u5b66\u8853\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u91cd\u3044\u591a\u5bfe\u591a\u306e\u95a2\u4fc2\u3068\u6761\u4ef6\u4ed8\u304d\u8ad6\u7406\u3092\u542b\u3080\u3002\u3053\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u767b\u9332\u304a\u3088\u3073\u4e8b\u524d\u8981\u4ef6\u306e\u7ba1\u7406\u306b\u7126\u70b9\u3092\u5f53\u3066\u308b\u3002<\/p>\n<h3>\u8981\u4ef6\u5206\u6790<\/h3>\n<ul>\n<li>\u5b66\u751f\u306f\u8907\u6570\u306e\u6388\u696d\u306b\u767b\u9332\u3059\u308b\u3002<\/li>\n<li>\u5404\u6388\u696d\u306b\u306f\u8907\u6570\u306e\u8b1b\u5e2b\u304c\u3044\u308b\u3002<\/li>\n<li>\u6388\u696d\u306f\u8907\u6570\u306e\u5b66\u671f\u306b\u308f\u305f\u3063\u3066\u63d0\u4f9b\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li>\n<li>\u4e00\u90e8\u306e\u6388\u696d\u306b\u306f\u4e8b\u524d\u4fee\u5f97\u8981\u4ef6\u304c\u3042\u308b\u3002<\/li>\n<li>\u6210\u7e3e\u306f\u3001\u5b66\u751f\u3054\u3068\u3001\u6388\u696d\u3054\u3068\u306b\u4ed8\u4e0e\u3055\u308c\u308b\u3002<\/li>\n<\/ul>\n<h3>\u30e2\u30c7\u30eb\u5316\u306e\u30b9\u30c6\u30c3\u30d7<\/h3>\n<ol>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u7279\u5b9a\uff1a<\/strong> \u5b66\u751f\u3001\u6388\u696d\u3001\u8b1b\u5e2b\u3001\u5b66\u671f\u3001\u767b\u9332\u3002<\/li>\n<li><strong>\u5c5e\u6027\u306e\u5b9a\u7fa9\uff1a<\/strong>\n<ul>\n<li><em>\u5b66\u751f\uff1a<\/em> \u5b66\u751fID\u3001GPA\u3001\u5c02\u653b\u3002<\/li>\n<li><em>\u6388\u696d\uff1a<\/em> \u6388\u696d\u30b3\u30fc\u30c9\u3001\u30bf\u30a4\u30c8\u30eb\u3001\u5358\u4f4d\u3002<\/li>\n<li><em>\u6559\u54e1\uff1a<\/em> \u6559\u54e1ID\u3001\u540d\u524d\u3001\u5f79\u8077\u3002<\/li>\n<li><em>\u5c65\u4fee\uff1a<\/em> \u5c65\u4feeID\u3001\u6210\u7e3e\u3001\u5b66\u671f\u5e74\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u95a2\u4fc2\u3092\u6c7a\u5b9a\u3059\u308b\uff1a<\/strong>\n<ul>\n<li><em>\u5b66\u751f\u304b\u3089\u6388\u696d\uff1a<\/em> \u591a\u5bfe\u591a\u3002\u4ee5\u4e0b\u306e\u7d50\u5408\u30c6\u30fc\u30d6\u30eb\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u308b\u3002<em>\u5c65\u4fee<\/em> \u7d50\u5408\u30c6\u30fc\u30d6\u30eb\u3002<\/li>\n<li><em>\u6388\u696d\u304b\u3089\u6559\u54e1\uff1a<\/em> \u591a\u5bfe\u591a\u3002\u6388\u696d\u306f\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u8907\u6570\u306e\u6559\u54e1\u306b\u3088\u3063\u3066\u6559\u3048\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li>\n<li><em>\u6388\u696d\u304b\u3089\u5fc5\u9808\u79d1\u76ee\uff1a<\/em> \u81ea\u5df1\u53c2\u7167\u3002\u6388\u696d\u306f\u5225\u306e\u6388\u696d\u3092\u5fc5\u9808\u79d1\u76ee\u3068\u3057\u3066\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u5fc5\u9808\u79d1\u76ee\u30ed\u30b8\u30c3\u30af\u306e\u5bfe\u51e6<\/h3>\n<p>\u5fc5\u9808\u79d1\u76ee\u306e\u8981\u4ef6\u306f\u3001\u4ee5\u4e0b\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u5185\u306b\u518d\u5e30\u7684\u95a2\u4fc2\u3092\u751f\u3058\u3055\u305b\u308b\u3002<em>\u6388\u696d<\/em> \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3002\u4ee5\u4e0b\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5217\u304c\u5fc5\u8981\u3068\u306a\u308b\u3002<em>\u6388\u696d<\/em> \u30c6\u30fc\u30d6\u30eb\u306b\u3001\u4f8b\u3048\u3070<em>\u5fc5\u9808\u79d1\u76ee\u6388\u696dID<\/em> \u3068\u3044\u3046\u5217\u3092\u8a2d\u3051\u3001<em>\u6388\u696dID<\/em> \u540c\u3058\u30c6\u30fc\u30d6\u30eb\u5185\u306e\u5225\u306e\u884c\u3092\u53c2\u7167\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5b9f\u88c5\uff1a<\/strong> \u3053\u308c\u306b\u3088\u308a\u3001<em>\u6570\u5b66101<\/em> \u95a2\u9023\u4ed8\u3051\u308b\u30b3\u30fc\u30b9<em>\u6570\u5b66100<\/em> \u30b3\u30fc\u30b9\u3002<\/li>\n<li><strong>\u691c\u8a3c\uff1a<\/strong> \u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30b3\u30fc\u30b9\u304c\u81ea\u8eab\u306e\u4e8b\u524d\u6761\u4ef6\u306b\u306a\u308b\u3053\u3068\u3092\u9632\u3050\u5fc5\u8981\u304c\u3042\u308a\u3001\u5faa\u74b0\u8ad6\u7406\u306e\u30a8\u30e9\u30fc\u3092\u56de\u907f\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>ERD\u8a2d\u8a08\u306b\u304a\u3051\u308b\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74 \u26a0\ufe0f<\/h2>\n<p>\u7d4c\u9a13\u8c4a\u5bcc\u306a\u30c7\u30b6\u30a4\u30ca\u30fc\u3067\u3055\u3048\u30df\u30b9\u3092\u3059\u308b\u3002\u4e00\u822c\u7684\u306a\u8aa4\u308a\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u5b9f\u88c5\u524d\u306b\u30e2\u30c7\u30eb\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>1. \u5197\u9577\u306a\u30c7\u30fc\u30bf<\/h3>\n<p>\u540c\u3058\u60c5\u5831\u3092\u8907\u6570\u306e\u5834\u6240\u306b\u4fdd\u5b58\u3059\u308b\u3068\u3001\u4e00\u8cab\u6027\u306e\u6b20\u5982\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6ce8\u6587\u306e<em>\u6ce8\u6587<\/em>\u30c6\u30fc\u30d6\u30eb\u306b\u9867\u5ba2\u306e\u4f4f\u6240\u3092\u4fdd\u5b58\u3059\u308b\u3053\u3068\u306f\u914d\u9001\u76ee\u7684\u3067\u306f\u8a31\u5bb9\u3055\u308c\u307e\u3059\u304c\u3001<em>\u9867\u5ba2<\/em>\u30c6\u30fc\u30d6\u30eb\u306f\u3001\u6c38\u7d9a\u7684\u306a\u4f4f\u6240\u306e\u771f\u5b9f\u306e\u60c5\u5831\u6e90\u3068\u3057\u3066\u7dad\u6301\u3059\u3079\u304d\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u78ba\u8a8d\uff1a<\/strong>1\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u5c5e\u6027\u3092\u5909\u66f4\u3059\u308b\u3068\u3001\u4ed6\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u66f4\u65b0\u304c\u5fc5\u8981\u306b\u306a\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<li><strong>\u4fee\u6b63\uff1a<\/strong>\u53ef\u80fd\u306a\u9650\u308a\u30c7\u30fc\u30bf\u3092\u7b2c\u4e09\u6b63\u898f\u5f62\uff083NF\uff09\u306b\u6b63\u898f\u5316\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>2. \u660e\u78ba\u3067\u306a\u3044\u95a2\u4fc2<\/h3>\n<p>\u95a2\u4fc2\u304c\u5fc5\u9808\u304b\u30aa\u30d7\u30b7\u30e7\u30f3\u304b\u304c\u306f\u3063\u304d\u308a\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<em>\u9867\u5ba2<\/em> \u304b\u3089 <em>\u6ce8\u6587<\/em>\u95a2\u4fc2\u306b\u304a\u3044\u3066\u3001\u9867\u5ba2\u306f\u6ce8\u6587\u3092\u3059\u308b\u524d\u306b\u5b58\u5728\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6ce8\u6587\u306f\u5e38\u306b\u9867\u5ba2\u306b\u6240\u5c5e\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6982\u5ff5<\/th>\n<th>\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30aa\u30d7\u30b7\u30e7\u30f3\u95a2\u4fc2<\/td>\n<td>\u3053\u306e\u5074\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u3001\u4ed6\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3078\u306e\u30ea\u30f3\u30af\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5fc5\u9808\u95a2\u4fc2<\/td>\n<td>\u3053\u306e\u5074\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u3001\u4ed6\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3078\u306e\u30ea\u30f3\u30af\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>3. \u30c7\u30fc\u30bf\u578b\u306e\u7121\u8996<\/h3>\n<p>\u8aa4\u3063\u305f\u30c7\u30fc\u30bf\u578b\u3092\u9078\u629e\u3059\u308b\u3068\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u975e\u52b9\u7387\u6027\u3084\u8a08\u7b97\u30a8\u30e9\u30fc\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u5c0f\u6570\u3092\u6301\u305f\u306a\u3044\u4fa1\u683c\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u6574\u6570\u578b\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u901a\u8ca8\u306e\u7cbe\u5ea6\u304c\u5931\u308f\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/strong>\u901a\u8ca8\u306b\u306fDecimal\u578b\u3092\u4f7f\u7528\u3057\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u306b\u306f\u65e5\u6642\u578b\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<li><strong>\u5236\u7d04\uff1a<\/strong>\u30c6\u30ad\u30b9\u30c8\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u6700\u5927\u9577\u3092\u5b9a\u7fa9\u3057\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u80a5\u5927\u5316\u3092\u9632\u3050\u3002<\/li>\n<\/ul>\n<h2>\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u30e2\u30c7\u30ea\u30f3\u30b0\u30ef\u30fc\u30af\u30d5\u30ed\u30fc \ud83d\udcdd<\/h2>\n<p>\u3059\u3079\u3066\u306e\u7df4\u7fd2\u554f\u984c\u306b\u304a\u3044\u3066\u4e00\u8cab\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u3053\u306e\u69cb\u9020\u5316\u3055\u308c\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><strong>\u8981\u4ef6\u3092\u53ce\u96c6\u3059\u308b\uff1a<\/strong>\u554f\u984c\u306e\u8a18\u8ff0\u306b\u542b\u307e\u308c\u308b\u3059\u3079\u3066\u306e\u540d\u8a5e\uff08\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff09\u3068\u52d5\u8a5e\uff08\u95a2\u4fc2\uff09\u3092\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u3002<\/li>\n<li><strong>\u521d\u671f\u56f3\u306e\u4f5c\u6210\uff1a<\/strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u914d\u7f6e\u3057\u3001\u63a5\u7d9a\u3092\u8868\u3059\u7dda\u3092\u5f15\u304f\u3002\u307e\u3060\u5b8c\u74a7\u3055\u3092\u6c17\u306b\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u3002<\/li>\n<li><strong>\u30ad\u30fc\u306e\u5272\u308a\u5f53\u3066\uff1a<\/strong>\u5404\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u4e3b\u30ad\u30fc\u3068\u3001\u5404\u95a2\u4fc2\u306e\u5916\u90e8\u30ad\u30fc\u3092\u7279\u5b9a\u3059\u308b\u3002<\/li>\n<li><strong>\u57fa\u6570\u306e\u7cbe\u67fb\uff1a<\/strong>\u30d3\u30b8\u30cd\u30b9\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u30011:1\u30011:N\u3001M:N\u306e\u95a2\u4fc2\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<li><strong>\u5c5e\u6027\u306e\u8ffd\u52a0\uff1a<\/strong>\u5fc5\u8981\u306a\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u5404\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u8a73\u7d30\u5316\u3059\u308b\u3002\u4ed6\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u304b\u3089\u5c0e\u51fa\u3055\u308c\u308b\u3082\u306e\u306f\u3059\u3079\u3066\u524a\u9664\u3059\u308b\u3002<\/li>\n<li><strong>\u6b63\u898f\u5316\u306e\u78ba\u8a8d\uff1a<\/strong>\u63a8\u79fb\u7684\u4f9d\u5b58\u95a2\u4fc2\u304c\u5b58\u5728\u3057\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\uff08\u305f\u3068\u3048\u3070\u3001\u3082\u3057 <em>A<\/em> \u304c <em>B<\/em> \u3092\u6c7a\u5b9a\u3057\u3001<em>B<\/em> \u304c <em>C<\/em> \u3092\u6c7a\u5b9a\u3059\u308b\u306a\u3089\u3070\u3001<em>A<\/em> \u306f <em>C<\/em> \u76f4\u63a5\uff09\u3002<\/li>\n<li><strong>\u6700\u7d42\u691c\u8a3c\uff1a<\/strong> \u30c7\u30fc\u30bf\u5165\u529b\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u78ba\u8a8d\u3057\u3066\u3001\u30e2\u30c7\u30eb\u304c\u305d\u308c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n<h2>\u81ea\u5df1\u8a55\u4fa1\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8 \u2705<\/h2>\n<p>ERD\u3092\u6700\u7d42\u78ba\u5b9a\u3059\u308b\u524d\u306b\u3001\u3053\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u54c1\u8cea\u3092\u78ba\u4fdd\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><strong>\u4e00\u610f\u6027\uff1a<\/strong> \u3059\u3079\u3066\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u4e3b\u30ad\u30fc\u304c\u3042\u308a\u307e\u3059\u304b\uff1f<\/li>\n<li><strong>\u4e00\u8cab\u6027\uff1a<\/strong> \u95a2\u9023\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u9593\u3067\u30c7\u30fc\u30bf\u578b\u304c\u4e00\u8cab\u3057\u3066\u3044\u307e\u3059\u304b\uff1f<\/li>\n<li><strong>\u5b8c\u5168\u6027\uff1a<\/strong> \u5236\u7d04\u3092\u9055\u53cd\u305b\u305a\u306b\u3001\u3059\u3079\u3066\u306e\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3092\u633f\u5165\u3067\u304d\u307e\u3059\u304b\uff1f<\/li>\n<li><strong>\u660e\u78ba\u6027\uff1a<\/strong> \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304a\u3088\u3073\u5c5e\u6027\u540d\u306f\u8a18\u8ff0\u7684\u3067\u6a19\u6e96\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/li>\n<li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\uff1a<\/strong> \u30c7\u30fc\u30bf\u91cf\u304c10\u500d\u306b\u5897\u52a0\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u8a2d\u8a08\u306f\u8010\u3048\u3089\u308c\u308b\u3067\u3057\u3087\u3046\u304b\uff1f<\/li>\n<li><strong>\u5236\u7d04\uff1a<\/strong> \u5fc5\u9808\u30c7\u30fc\u30bf\u306e\u5834\u6240\u3067\u3001null\u5236\u7d04\u304c\u6b63\u3057\u304f\u9069\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/li>\n<\/ul>\n<h2>\u9ad8\u5ea6\u306a\u8003\u616e\u4e8b\u9805 \ud83d\ude80<\/h2>\n<p>\u81ea\u4fe1\u304c\u3064\u3044\u305f\u3089\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u30e2\u30c7\u30ea\u30f3\u30b0\u6280\u8853\u3092\u691c\u8a0e\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>1. \u5f31\u3044\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3<\/h3>\n<p>\u5f31\u3044\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u3001\u4ed6\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u5b58\u5728\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<em>OrderLine<\/em>\u306f\u3001<em>Order<\/em>\u304c\u5b58\u5728\u3057\u306a\u3051\u308c\u3070\u5b58\u5728\u3067\u304d\u307e\u305b\u3093\u3002\u305d\u306e\u4e3b\u30ad\u30fc\u306f\u3001\u901a\u5e38\u3001\u81ea\u8eab\u306e\u90e8\u5206\u30ad\u30fc\u3068\u6240\u6709\u8005\u306e\u4e3b\u30ad\u30fc\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3059\u3002<\/p>\n<h3>2. \u7d99\u627f<\/h3>\n<p>\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u304c\u5171\u901a\u306e\u5c5e\u6027\u3092\u5171\u6709\u3057\u307e\u3059\u3002<em>Employee<\/em>\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001<em>FullTime<\/em> \u3068 <em>\u30d1\u30fc\u30c8\u30bf\u30a4\u30e0<\/em> 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\u6642\u7cfb\u5217\u30c6\u30fc\u30d6\u30eb<\/h3>\n<p>\u4e00\u90e8\u306e\u30c7\u30fc\u30bf\u306f\u6642\u9593\u3068\u3068\u3082\u306b\u5909\u5316\u3057\u307e\u3059\u3002<em>\u88fd\u54c1\u4fa1\u683c<\/em>\u4fa1\u683c\u306f\u6bce\u9031\u5909\u66f4\u3055\u308c\u307e\u3059\u3002\u73fe\u5728\u306e\u5024\u3060\u3051\u3067\u306a\u304f\u3001\u4fa1\u683c\u5909\u66f4\u306e\u5c65\u6b74\u3092\u4fdd\u5b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u306f\u5c5e\u6027\u306b\u6709\u52b9\u958b\u59cb\u65e5\u3068\u6709\u52b9\u7d42\u4e86\u65e5\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5b9f\u8df5\u306b\u304a\u3051\u308b\u6700\u7d42\u7684\u306a\u8003\u616e\u4e8b\u9805 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