{"id":1587,"date":"2026-03-23T12:11:18","date_gmt":"2026-03-23T12:11:18","guid":{"rendered":"https:\/\/www.go-diagram.com\/tw\/erd-practice-problems-realistic-scenarios\/"},"modified":"2026-03-23T12:11:18","modified_gmt":"2026-03-23T12:11:18","slug":"erd-practice-problems-realistic-scenarios","status":"publish","type":"post","link":"https:\/\/www.go-diagram.com\/tw\/erd-practice-problems-realistic-scenarios\/","title":{"rendered":"ERD\u7df4\u7fd2\u984c\uff1a\u900f\u904e\u771f\u5be6\u60c5\u5883\u5efa\u7acb\u4fe1\u5fc3"},"content":{"rendered":"<p>\u8a2d\u8a08\u4e00\u500b\u7a69\u5065\u7684\u8cc7\u6599\u5eab\uff0c\u4e0d\u50c5\u9700\u8981\u7406\u89e3\u8a9e\u6cd5\uff0c\u66f4\u9700\u8981\u5c0d\u8cc7\u6599\u5728\u73fe\u5be6\u7cfb\u7d71\u4e2d\u5982\u4f55\u4e92\u52d5\uff0c\u5efa\u7acb\u6e05\u6670\u7684\u5fc3\u667a\u6a21\u578b\u3002\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u6b63\u662f\u9019\u7a2e\u7d50\u69cb\u7684\u85cd\u5716\u3002\u82e5\u6c92\u6709\u5be6\u969b\u7df4\u7fd2\uff0c\u6b63\u898f\u5316\u3001\u57fa\u6578\u548c\u5916\u9375\u7b49\u7406\u8ad6\u6982\u5ff5\u5c07\u59cb\u7d42\u505c\u7559\u5728\u62bd\u8c61\u5c64\u9762\u3002\u8981\u771f\u6b63\u638c\u63e1\u8cc7\u6599\u5eab\u5efa\u6a21\uff0c\u4f60\u5fc5\u9808\u6295\u5165\u5be6\u52d9\u554f\u984c\uff0c\u9019\u4e9b\u554f\u984c\u6a21\u64ec\u771f\u5be6\u7684\u5546\u696d\u908f\u8f2f\u3002<\/p>\n<p>\u672c\u6307\u5357\u5c08\u6ce8\u65bc\u900f\u904e\u5177\u9ad4\u4e14\u771f\u5be6\u7684\u60c5\u5883\u4f86\u61c9\u7528ERD\u539f\u5247\u3002\u900f\u904e\u9019\u4e9b\u7bc4\u4f8b\u7684\u7df4\u7fd2\uff0c\u4f60\u5c07\u589e\u5f37\u8fa8\u8b58\u5be6\u9ad4\u3001\u5b9a\u7fa9\u95dc\u4fc2\uff0c\u4e26\u907f\u514d\u5e38\u898b\u7d50\u69cb\u932f\u8aa4\u7684\u80fd\u529b\u3002\u76ee\u6a19\u662f\u5efa\u7acb\u4e00\u5957\u53ef\u9760\u7684\u4f5c\u696d\u6d41\u7a0b\uff0c\u5c07\u8907\u96dc\u7684\u9700\u6c42\u8f49\u5316\u70ba\u6e05\u6670\u4e14\u9ad8\u6548\u7684\u8cc7\u6599\u6a21\u578b\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>\u7406\u89e3\u6838\u5fc3\u5143\u4ef6 \ud83e\uddf1<\/h2>\n<p>\u5728\u9032\u5165\u60c5\u5883\u4e4b\u524d\uff0c\u52d9\u5fc5\u56de\u9867ERD\u7684\u69cb\u6210\u8981\u7d20\u3002\u624e\u5be6\u7684\u57fa\u790e\u80fd\u78ba\u4fdd\u4f60\u5728\u9762\u5c0d\u8907\u96dc\u9700\u6c42\u6642\uff0c\u7121\u9700\u91cd\u65b0\u5b78\u7fd2\u57fa\u672c\u6982\u5ff5\u3002<\/p>\n<h3>1. \u5be6\u9ad4\u8207\u5c6c\u6027<\/h3>\n<ul>\n<li><strong>\u5be6\u9ad4\uff1a<\/strong> \u9019\u4e9b\u4ee3\u8868\u7cfb\u7d71\u5167\u7684\u7368\u7acb\u7269\u4ef6\u6216\u6982\u5ff5\u3002\u7bc4\u4f8b\u5305\u62ec<em>\u9867\u5ba2<\/em>, <em>\u7522\u54c1<\/em>\uff0c\u6216<em>\u54e1\u5de5<\/em>.<\/li>\n<li><strong>\u5c6c\u6027\uff1a<\/strong> \u9019\u4e9b\u63cf\u8ff0\u5be6\u9ad4\u7684\u7279\u6027\u3002\u5c0d\u65bc\u4e00\u500b<em>\u9867\u5ba2<\/em>\uff0c\u5c6c\u6027\u53ef\u80fd\u5305\u62ec<em>\u9867\u5ba2\u7de8\u865f<\/em>, <em>\u59d3\u540d<\/em>\uff0c\u4ee5\u53ca<em>\u96fb\u5b50\u90f5\u4ef6\u5730\u5740<\/em>.<\/li>\n<li><strong>\u4e3b\u8981\u9375\uff1a<\/strong> \u6bcf\u500b\u5be6\u9ad4\u90fd\u9700\u8981\u4e00\u500b\u552f\u4e00\u7684\u8b58\u5225\u78bc\uff0c\u4ee5\u5340\u5206\u4e0d\u540c\u8a18\u9304\u3002<\/li>\n<\/ul>\n<h3>2. \u95dc\u4fc2\u8207\u57fa\u6578<\/h3>\n<p>\u5be6\u9ad4\u4e4b\u9593\u7684\u9023\u7d50\u5b9a\u7fa9\u4e86\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u3002\u57fa\u6578\u8aaa\u660e\u4e86\u4e00\u500b\u5be6\u9ad4\u8207\u53e6\u4e00\u500b\u5be6\u9ad4\u76f8\u95dc\u7684\u5be6\u4f8b\u6578\u91cf\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u57fa\u6578\u985e\u578b<\/th>\n<th>\u63cf\u8ff0<\/th>\n<th>\u7bc4\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u4e00\u5c0d\u4e00 (1:1)<\/td>\n<td>\u4e00\u500b\u5be6\u4f8b\u50c5\u8207\u53e6\u4e00\u5be6\u9ad4\u7684\u4e00\u500b\u5be6\u4f8b\u76f8\u95dc\u806f\u3002<\/td>\n<td>\u4e00\u500b <em>\u54e1\u5de5<\/em>\u64c1\u6709\u4e00\u500b <em>\u8eab\u4efd\u8b49<\/em>.<\/td>\n<\/tr>\n<tr>\n<td>\u4e00\u5c0d\u591a (1:N)<\/td>\n<td>\u4e00\u500b\u5be6\u4f8b\u8207\u53e6\u4e00\u5be6\u9ad4\u7684\u591a\u500b\u5be6\u4f8b\u76f8\u95dc\u806f\u3002<\/td>\n<td>\u4e00\u500b <em>\u90e8\u9580<\/em>\u64c1\u6709\u591a\u500b <em>\u54e1\u5de5<\/em>.<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u5c0d\u591a (M:N)<\/td>\n<td>\u591a\u500b\u5be6\u4f8b\u8207\u53e6\u4e00\u5be6\u9ad4\u7684\u591a\u500b\u5be6\u4f8b\u76f8\u95dc\u806f\u3002<\/td>\n<td>\u591a\u500b <em>\u5b78\u751f<\/em>\u8a3b\u518a\u591a\u9580 <em>\u8ab2\u7a0b<\/em>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u60c5\u5883 1\uff1a\u96fb\u5b50\u5546\u52d9\u5e73\u53f0 \ud83d\uded2<\/h2>\n<p>\u7dda\u4e0a\u96f6\u552e\u7cfb\u7d71\u6d89\u53ca\u8907\u96dc\u7684\u4ea4\u6613\u3001\u5eab\u5b58\u7ba1\u7406\u8207\u4f7f\u7528\u8005\u5e33\u6236\u3002\u6b64\u60c5\u5883\u6e2c\u8a66\u60a8\u8655\u7406\u806f\u7d50\u8868\u683c\u8207\u72c0\u614b\u8ffd\u8e64\u7684\u80fd\u529b\u3002<\/p>\n<h3>\u9700\u6c42\u5206\u6790<\/h3>\n<ul>\n<li>\u9867\u5ba2\u53ef\u4ee5\u5728\u4e00\u6bb5\u6642\u9593\u5167\u4e0b\u591a\u500b\u8a02\u55ae\u3002<\/li>\n<li>\u55ae\u4e00\u8a02\u55ae\u53ef\u5305\u542b\u591a\u500b\u7522\u54c1\u3002<\/li>\n<li>\u4e00\u500b\u7522\u54c1\u53ef\u4ee5\u51fa\u73fe\u5728\u591a\u500b\u4e0d\u540c\u7684\u8a02\u55ae\u4e2d\u3002<\/li>\n<li>\u6bcf\u500b\u8a02\u55ae\u5fc5\u9808\u8ffd\u8e64\u7279\u5b9a\u72c0\u614b\uff08\u4f8b\u5982\uff1a\u5f85\u8655\u7406\u3001\u5df2\u767c\u8ca8\uff09\u3002<\/li>\n<li>\u7522\u54c1\u5c6c\u65bc\u7279\u5b9a\u985e\u5225\u3002<\/li>\n<\/ul>\n<h3>\u5efa\u6a21\u6b65\u9a5f<\/h3>\n<ol>\n<li><strong>\u8b58\u5225\u5be6\u9ad4\uff1a<\/strong> \u5ba2\u6236\u3001\u8a02\u55ae\u3001\u7522\u54c1\u3001\u985e\u5225\u3002<\/li>\n<li><strong>\u5b9a\u7fa9\u5c6c\u6027\uff1a<\/strong>\n<ul>\n<li><em>\u5ba2\u6236\uff1a<\/em> \u5ba2\u6236\u7de8\u865f\u3001\u540d\u5b57\u3001\u59d3\u6c0f\u3001\u96fb\u5b50\u90f5\u4ef6\u3002<\/li>\n<li><em>\u8a02\u55ae\uff1a<\/em> \u8a02\u55ae\u7de8\u865f\u3001\u8a02\u55ae\u65e5\u671f\u3001\u72c0\u614b\u3001\u9001\u8ca8\u5730\u5740\u3002<\/li>\n<li><em>\u7522\u54c1\uff1a<\/em> \u7522\u54c1\u7de8\u865f\u3001\u540d\u7a31\u3001\u50f9\u683c\u3001\u5eab\u5b58\u6578\u91cf\u3002<\/li>\n<li><em>\u985e\u5225\uff1a<\/em> \u985e\u5225\u7de8\u865f\u3001\u985e\u5225\u540d\u7a31\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u78ba\u5b9a\u95dc\u4fc2\uff1a<\/strong>\n<ul>\n<li><em>\u5ba2\u6236\u81f3\u8a02\u55ae\uff1a<\/em> \u4e00\u5c0d\u591a\u3002\u4e00\u4f4d\u5ba2\u6236\u7522\u751f\u591a\u7b46\u8a02\u55ae\u3002<\/li>\n<li><em>\u8a02\u55ae\u81f3\u7522\u54c1\uff1a<\/em> \u591a\u5c0d\u591a\u3002\u4e00\u7b46\u8a02\u55ae\u5305\u542b\u591a\u9805\u7522\u54c1\uff0c\u800c\u4e00\u9805\u7522\u54c1\u6703\u51fa\u73fe\u5728\u591a\u7b46\u8a02\u55ae\u4e2d\u3002\u9019\u9700\u8981\u5efa\u7acb\u4e00\u500b\u95dc\u806f\u8868\u3002<\/li>\n<li><em>\u7522\u54c1\u81f3\u985e\u5225\uff1a<\/em> \u591a\u5c0d\u4e00\u3002\u591a\u9805\u7522\u54c1\u5c6c\u65bc\u540c\u4e00\u500b\u985e\u5225\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u8a2d\u8a08\u512a\u5316<\/h3>\n<p>\u91dd\u5c0d\u8a02\u55ae\u8207\u7522\u54c1\u4e4b\u9593\u7684\u591a\u5c0d\u591a\u95dc\u4fc2\uff0c\u5fc5\u9808\u5efa\u7acb\u4e00\u500b\u95dc\u806f\u8868\uff0c\u901a\u5e38\u7a31\u70ba<em>\u8a02\u55ae\u660e\u7d30<\/em>\u3002\u6b64\u8868\u6253\u7834\u76f4\u63a5\u9023\u7d50\uff0c\u4e26\u53ef\u5132\u5b58\u4ea4\u6613\u660e\u7d30\u7684\u7279\u5b9a\u8cc7\u6599\uff0c\u4f8b\u5982<em>\u6578\u91cf<\/em>\u4ee5\u53ca<em>\u92b7\u552e\u6642\u7684\u55ae\u50f9<\/em>.<\/p>\n<ul>\n<li><strong>\u8a02\u55ae\u660e\u7d30\u5c6c\u6027\uff1a<\/strong> \u8a02\u55ae\u660e\u7d30\u7de8\u865f\u3001\u8a02\u55ae\u7de8\u865f\uff08\u5916\u9375\uff09\u3001\u7522\u54c1\u7de8\u865f\uff08\u5916\u9375\uff09\u3001\u6578\u91cf\u3001\u55ae\u50f9\u3002<\/li>\n<li><strong>\u6b63\u898f\u5316\u6aa2\u67e5\uff1a<\/strong> \u78ba\u4fdd <em>\u55ae\u50f9<\/em> \u5132\u5b58\u5728\u9019\u88e1\uff0c\u800c\u4e0d\u662f\u5728 <em>\u7522\u54c1<\/em> \u8868\u4e2d\uff0c\u56e0\u70ba\u50f9\u683c\u6703\u96a8\u6642\u9593\u8b8a\u52d5\u3002<\/li>\n<\/ul>\n<h2>\u60c5\u5883 2\uff1a\u91ab\u9662\u7ba1\u7406\u7cfb\u7d71 \ud83c\udfe5<\/h2>\n<p>\u91ab\u7642\u8cc7\u6599\u5eab\u7531\u65bc\u8cc7\u6599\u7684\u95dc\u9375\u6027\uff0c\u9700\u8981\u9ad8\u5ea6\u7684\u6e96\u78ba\u6027\u3002\u6b64\u60c5\u5883\u5f37\u8abf\u56b4\u683c\u7684\u8cc7\u6599\u5b8c\u6574\u6027\u8207\u5c64\u7d1a\u95dc\u4fc2\u3002<\/p>\n<h3>\u9700\u6c42\u5206\u6790<\/h3>\n<ul>\n<li>\u91ab\u751f\u5c08\u7cbe\u65bc\u7279\u5b9a\u90e8\u9580\u3002<\/li>\n<li>\u75c5\u4eba\u6703\u524d\u5f80\u91ab\u751f\u8655\u5c31\u8a3a\u3002<\/li>\n<li>\u4e00\u4f4d\u91ab\u751f\u53ef\u4ee5\u6709\u591a\u4f4d\u75c5\u4eba\uff0c\u800c\u4e00\u4f4d\u75c5\u4eba\u4e5f\u53ef\u4ee5\u770b\u591a\u4f4d\u91ab\u751f\u3002<\/li>\n<li>\u8655\u65b9\u7b8b\u662f\u5728\u5c31\u8a3a\u671f\u9593\u958b\u7acb\u7684\u3002<\/li>\n<li>\u6bcf\u4f4d\u75c5\u4eba\u7686\u6709\u7368\u4e00\u7121\u4e8c\u7684\u91ab\u7642\u7d00\u9304\u3002<\/li>\n<\/ul>\n<h3>\u5efa\u6a21\u6b65\u9a5f<\/h3>\n<ol>\n<li><strong>\u8b58\u5225\u5be6\u9ad4\uff1a<\/strong> \u91ab\u751f\u3001\u75c5\u4eba\u3001\u5c31\u8a3a\u3001\u8655\u65b9\u7b8b\u3001\u90e8\u9580\u3002<\/li>\n<li><strong>\u5b9a\u7fa9\u5c6c\u6027\uff1a<\/strong>\n<ul>\n<li><em>\u91ab\u751f\uff1a<\/em> \u91ab\u751f\u7de8\u865f\u3001\u59d3\u540d\u3001\u5c08\u9577\u3001\u57f7\u7167\u7de8\u865f\u3002<\/li>\n<li><em>\u90e8\u9580\uff1a<\/em> \u90e8\u9580\u7de8\u865f\u3001\u90e8\u9580\u540d\u7a31\u3001\u90e8\u9580\u4e3b\u7ba1\u91ab\u751f\u7de8\u865f\u3002<\/li>\n<li><em>\u5c31\u8a3a\uff1a<\/em> \u5c31\u8a3a\u7de8\u865f\u3001\u65e5\u671f\u6642\u9593\u3001\u8a3a\u65b7\u5099\u8a3b\u3002<\/li>\n<li><em>\u8655\u65b9\u7b8b\uff1a<\/em> \u8655\u65b9\u7de8\u865f\u3001\u85e5\u7269\u540d\u7a31\u3001\u5291\u91cf\u3001\u6301\u7e8c\u6642\u9593\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u78ba\u5b9a\u95dc\u4fc2\uff1a<\/strong>\n<ul>\n<li><em>\u90e8\u9580\u81f3\u91ab\u751f\uff1a<\/em> \u4e00\u5c0d\u591a\u3002\u4e00\u500b\u90e8\u9580\u8058\u8acb\u591a\u4f4d\u91ab\u751f\u3002<\/li>\n<li><em>\u91ab\u751f\u81f3\u5c31\u8a3a\uff1a<\/em> \u4e00\u5c0d\u591a\u3002\u4e00\u4f4d\u91ab\u751f\u9032\u884c\u591a\u5834\u5c31\u8a3a\u3002<\/li>\n<li><em>\u60a3\u8005\u5230\u9810\u7d04\uff1a<\/em> \u4e00\u5c0d\u591a\u3002\u4e00\u540d\u60a3\u8005\u6703\u53c3\u52a0\u591a\u500b\u9810\u7d04\u3002<\/li>\n<li><em>\u9810\u7d04\u5230\u8655\u65b9\uff1a<\/em> \u4e00\u5c0d\u591a\u3002\u4e00\u6b21\u9810\u7d04\u53ef\u80fd\u7522\u751f\u591a\u5f35\u8655\u65b9\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u8655\u7406\u8907\u96dc\u7d04\u675f<\/h3>\n<p>\u5728\u6b64\u60c5\u5883\u4e2d\uff0c\u8cc7\u6599\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002\u60a8\u5fc5\u9808\u78ba\u4fdd\u8655\u65b9\u7121\u6cd5\u5728\u6c92\u6709\u95dc\u806f\u9810\u7d04\u7684\u60c5\u6cc1\u4e0b\u5b58\u5728\u3002\u9019\u900f\u904e\u5916\u9375\u7d04\u675f\u4f86\u5f37\u5236\u57f7\u884c\u3002<\/p>\n<ul>\n<li><strong>\u81ea\u6211\u5f15\u7528\u95dc\u4fc2\uff1a<\/strong> \u4e00 <em>\u91ab\u751f<\/em>\u5be6\u9ad4\u53ef\u80fd\u9700\u8981\u9023\u7d50\u5230\u540c\u4e00\u5f35\u8868\u683c\u4e2d\u7684 <em>\u4e3b\u4efb\u91ab\u5e2b<\/em>\u3002\u9019\u662f\u4e00\u5c0d\u4e00\u7684\u95dc\u4fc2\uff0c\u5176\u4e2d <em>\u4e3b\u4efb\u91ab\u5e2b\u7de8\u865f<\/em> \u53c3\u8003 <em>\u91ab\u751f\u7de8\u865f<\/em>.<\/li>\n<li><strong>\u6642\u9593\u8cc7\u6599\uff1a<\/strong> \u9810\u7d04\u5177\u6709\u7279\u5b9a\u65e5\u671f\u3002\u8acb\u78ba\u4fdd DateTime \u6b04\u4f4d\u4ee5\u6a19\u6e96\u683c\u5f0f\u5132\u5b58\uff0c\u4ee5\u4fbf\u9032\u884c\u6392\u7a0b\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2>\u60c5\u5883 3\uff1a\u5927\u5b78\u5b78\u751f\u9580\u6236 \ud83c\udf93<\/h2>\n<p>\u5b78\u8853\u7cfb\u7d71\u6d89\u53ca\u5927\u91cf\u7684\u591a\u5c0d\u591a\u95dc\u4fc2\u8207\u689d\u4ef6\u908f\u8f2f\u3002\u6b64\u60c5\u5883\u5c08\u6ce8\u65bc\u7ba1\u7406\u8a3b\u518a\u8207\u5148\u4fee\u8ab2\u7a0b\u3002<\/p>\n<h3>\u9700\u6c42\u5206\u6790<\/h3>\n<ul>\n<li>\u5b78\u751f\u8a3b\u518a\u591a\u9580\u8ab2\u7a0b\u3002<\/li>\n<li>\u6bcf\u9580\u8ab2\u7a0b\u6709\u591a\u4f4d\u6388\u8ab2\u6559\u5e2b\u3002<\/li>\n<li>\u4e00\u9580\u8ab2\u7a0b\u53ef\u4ee5\u5728\u591a\u500b\u5b78\u671f\u4e2d\u958b\u8a2d\u3002<\/li>\n<li>\u90e8\u5206\u8ab2\u7a0b\u6709\u5148\u4fee\u8ab2\u7a0b\u3002<\/li>\n<li>\u6210\u7e3e\u4f9d\u5b78\u751f\u8207\u8ab2\u7a0b\u5206\u5225\u6388\u4e88\u3002<\/li>\n<\/ul>\n<h3>\u5efa\u6a21\u6b65\u9a5f<\/h3>\n<ol>\n<li><strong>\u8b58\u5225\u5be6\u9ad4\uff1a<\/strong> \u5b78\u751f\u3001\u8ab2\u7a0b\u3001\u6388\u8ab2\u6559\u5e2b\u3001\u5b78\u671f\u3001\u8a3b\u518a\u3002<\/li>\n<li><strong>\u5b9a\u7fa9\u5c6c\u6027\uff1a<\/strong>\n<ul>\n<li><em>\u5b78\u751f\uff1a<\/em> \u5b78\u751f\u7de8\u865f\u3001GPA\u3001\u4e3b\u4fee\u79d1\u76ee\u3002<\/li>\n<li><em>\u8ab2\u7a0b\uff1a<\/em> \u8ab2\u7a0b\u4ee3\u78bc\u3001\u6a19\u984c\u3001\u5b78\u5206\u3002<\/li>\n<li><em>\u8b1b\u5e2b\uff1a<\/em> \u8b1b\u5e2b\u7de8\u865f\u3001\u59d3\u540d\u3001\u8077\u7a31\u3002<\/li>\n<li><em>\u8a3b\u518a\uff1a<\/em> \u8a3b\u518a\u7de8\u865f\u3001\u6210\u7e3e\u3001\u5b78\u671f\u5e74\u4efd\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u78ba\u5b9a\u95dc\u4fc2\uff1a<\/strong>\n<ul>\n<li><em>\u5b78\u751f\u81f3\u8ab2\u7a0b\uff1a<\/em> \u591a\u5c0d\u591a\u3002\u900f\u904e\u300c<em>\u8a3b\u518a<\/em>\u300d\u95dc\u806f\u8868\u683c\u9032\u884c\u7ba1\u7406\u3002<\/li>\n<li><em>\u8ab2\u7a0b\u81f3\u8b1b\u5e2b\uff1a<\/em> \u591a\u5c0d\u591a\u3002\u4e00\u9580\u8ab2\u7a0b\u5728\u4e0d\u540c\u6642\u9593\u53ef\u7531\u591a\u4f4d\u8b1b\u5e2b\u6388\u8ab2\u3002<\/li>\n<li><em>\u8ab2\u7a0b\u81f3\u5148\u4fee\u8ab2\u7a0b\uff1a<\/em> \u81ea\u5f15\u7528\u3002\u4e00\u9580\u8ab2\u7a0b\u5217\u8209\u53e6\u4e00\u9580\u8ab2\u7a0b\u70ba\u5148\u4fee\u8ab2\u7a0b\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>\u8655\u7406\u5148\u4fee\u8ab2\u7a0b\u908f\u8f2f<\/h3>\n<p>\u5148\u4fee\u8ab2\u7a0b\u7684\u8981\u6c42\u5728\u300c<em>\u8ab2\u7a0b<\/em>\u300d\u5be6\u9ad4\u4e2d\u7522\u751f\u905e\u8ff4\u95dc\u4fc2\u3002\u60a8\u9700\u8981\u5728\u300c<em>\u8ab2\u7a0b<\/em>\u300d\u8cc7\u6599\u8868\u4e2d\u65b0\u589e\u4e00\u6b04\uff0c\u4f8b\u5982<em>\u5148\u4fee\u8ab2\u7a0b\u7de8\u865f<\/em>\uff0c\u5176\u53c3\u8003\u540c\u4e00\u8cc7\u6599\u8868\u4e2d\u53e6\u4e00\u7b46\u8cc7\u6599\u7684<em>\u8ab2\u7a0b\u7de8\u865f<\/em>\u3002<\/p>\n<ul>\n<li><strong>\u5be6\u4f5c\uff1a<\/strong> \u9019\u5141\u8a31\u300c<em>\u6578\u5b78 101<\/em> \u8ab2\u7a0b\u9023\u7d50\u81f3 <em>\u6578\u5b78 100<\/em> \u8ab2\u7a0b\u3002<\/li>\n<li><strong> \u9a57\u8b49\uff1a<\/strong> \u7cfb\u7d71\u5fc5\u9808\u9632\u6b62\u8ab2\u7a0b\u6210\u70ba\u81ea\u8eab\u7684\u5148\u4fee\u8ab2\u7a0b\uff0c\u4ee5\u907f\u514d\u5faa\u74b0\u908f\u8f2f\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2>ERD \u8a2d\u8a08\u4e2d\u7684\u5e38\u898b\u9677\u9631 \u26a0\ufe0f<\/h2>\n<p>\u5373\u4f7f\u662f\u7d93\u9a57\u8c50\u5bcc\u7684\u8a2d\u8a08\u5e2b\u4e5f\u6703\u72af\u932f\u3002\u6aa2\u8996\u5e38\u898b\u932f\u8aa4\u6709\u52a9\u65bc\u4f60\u5728\u5be6\u4f5c\u524d\u512a\u5316\u4f60\u7684\u6a21\u578b\u3002<\/p>\n<h3>1. \u91cd\u8907\u8cc7\u6599<\/h3>\n<p>\u5728\u591a\u500b\u5730\u65b9\u5132\u5b58\u76f8\u540c\u8cc7\u8a0a\u6703\u589e\u52a0\u4e0d\u4e00\u81f4\u7684\u98a8\u96aa\u3002\u4f8b\u5982\uff0c\u5728 <em>\u8a02\u55ae<\/em> \u8868\u4e2d\u5132\u5b58\u5ba2\u6236\u5730\u5740\u5c0d\u65bc\u914d\u9001\u76ee\u7684\u800c\u8a00\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\uff0c\u4f46 <em>\u5ba2\u6236<\/em> \u8868\u61c9\u4fdd\u6301\u70ba\u5176\u6c38\u4e45\u5730\u5740\u7684\u552f\u4e00\u771f\u5be6\u4f86\u6e90\u3002<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5\uff1a<\/strong> \u8a62\u554f\uff1a\u82e5\u66f4\u6539\u4e00\u500b\u8868\u683c\u4e2d\u7684\u5c6c\u6027\uff0c\u662f\u5426\u9700\u8981\u5728\u5176\u4ed6\u8868\u683c\u4e2d\u9032\u884c\u66f4\u65b0\uff1f<\/li>\n<li><strong>\u4fee\u6b63\uff1a<\/strong> \u5728\u53ef\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u5c07\u8cc7\u6599\u898f\u7bc4\u5316\u81f3\u7b2c\u4e09\u7bc4\u5f0f\uff083NF\uff09\u3002<\/li>\n<\/ul>\n<h3>2. \u6a21\u7cca\u7684\u95dc\u4fc2<\/h3>\n<p>\u6709\u6642\u96e3\u4ee5\u5224\u65b7\u95dc\u4fc2\u662f\u5f37\u5236\u6027\u7684\u9084\u662f\u53ef\u9078\u7684\u3002\u5728 <em>\u5ba2\u6236<\/em> \u81f3 <em>\u8a02\u55ae<\/em> \u7684\u95dc\u4fc2\u4e2d\uff0c\u5ba2\u6236\u5728\u4e0b\u8a02\u55ae\u524d\u5c31\u5df2\u5b58\u5728\u3002\u7136\u800c\uff0c\u8a02\u55ae\u5fc5\u9808\u59cb\u7d42\u5c6c\u65bc\u67d0\u4f4d\u5ba2\u6236\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u6982\u5ff5<\/th>\n<th>\u542b\u7fa9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u53ef\u9078\u95dc\u4fc2<\/td>\n<td>\u6b64\u5074\u7684\u5be6\u9ad4\u4e0d\u9700\u8981\u8207\u53e6\u4e00\u5be6\u9ad4\u5efa\u7acb\u9023\u7d50\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5f37\u5236\u95dc\u4fc2<\/td>\n<td>\u6b64\u5074\u7684\u5be6\u9ad4\u5fc5\u9808\u8207\u53e6\u4e00\u5be6\u9ad4\u5efa\u7acb\u9023\u7d50\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>3. \u5ffd\u7565\u8cc7\u6599\u985e\u578b<\/h3>\n<p>\u9078\u64c7\u932f\u8aa4\u7684\u8cc7\u6599\u985e\u578b\u53ef\u80fd\u6703\u5c0e\u81f4\u5132\u5b58\u6548\u7387\u4f4e\u4e0b\u6216\u8a08\u7b97\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u82e5\u5728\u6c92\u6709\u5c0f\u6578\u4f4d\u7684\u50f9\u683c\u6b04\u4f4d\u4e2d\u4f7f\u7528\u6574\u6578\u985e\u578b\uff0c\u5c07\u6703\u5c0e\u81f4\u8ca8\u5e63\u7cbe\u78ba\u5ea6\u55aa\u5931\u3002<\/p>\n<ul>\n<li><strong>\u6700\u4f73\u5be6\u52d9\uff1a<\/strong> \u4f7f\u7528\u5341\u9032\u4f4d\u985e\u578b\u8655\u7406\u8ca8\u5e63\uff0c\u4e26\u4f7f\u7528\u65e5\u671f\/\u6642\u9593\u985e\u578b\u9032\u884c\u6392\u7a0b\u3002<\/li>\n<li><strong>\u9650\u5236\u689d\u4ef6\uff1a<\/strong> \u70ba\u6587\u5b57\u6b04\u4f4d\u5b9a\u7fa9\u6700\u5927\u9577\u5ea6\uff0c\u4ee5\u9632\u6b62\u8cc7\u6599\u5eab\u81a8\u8139\u3002<\/li>\n<\/ul>\n<h2>\u9010\u6b65\u5efa\u6a21\u5de5\u4f5c\u6d41\u7a0b \ud83d\udcdd<\/h2>\n<p>\u9075\u5faa\u6b64\u7d50\u69cb\u5316\u65b9\u6cd5\uff0c\u4ee5\u78ba\u4fdd\u6240\u6709\u7df4\u7fd2\u554f\u984c\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<ol>\n<li><strong>\u6536\u96c6\u9700\u6c42\uff1a<\/strong> \u5217\u51fa\u554f\u984c\u63cf\u8ff0\u4e2d\u51fa\u73fe\u7684\u6bcf\u4e00\u500b\u540d\u8a5e\uff08\u5be6\u9ad4\uff09\u548c\u52d5\u8a5e\uff08\u95dc\u4fc2\uff09\u3002<\/li>\n<li><strong>\u8349\u64ec\u521d\u59cb\u5716\u793a\uff1a<\/strong> \u653e\u7f6e\u5be6\u9ad4\u4e26\u7e6a\u88fd\u7dda\u689d\u4ee5\u8868\u793a\u9023\u7d50\u3002\u76ee\u524d\u7121\u9700\u64d4\u5fc3\u5b8c\u7f8e\u3002<\/li>\n<li><strong>\u6307\u6d3e\u9375\u503c\uff1a<\/strong> \u70ba\u6bcf\u500b\u5be6\u9ad4\u8b58\u5225\u4e3b\u9375\uff0c\u4e26\u70ba\u6bcf\u500b\u95dc\u4fc2\u8b58\u5225\u5916\u9375\u3002<\/li>\n<li><strong>\u7d30\u5316\u57fa\u6578\uff1a<\/strong> \u6839\u64da\u696d\u52d9\u898f\u5247\u9a57\u8b49 1:1\u30011:N \u548c M:N \u7684\u95dc\u4fc2\u3002<\/li>\n<li><strong>\u65b0\u589e\u5c6c\u6027\uff1a<\/strong> \u4f7f\u7528\u5fc5\u8981\u7684\u6b04\u4f4d\u4f86\u5b8c\u6574\u63cf\u8ff0\u6bcf\u500b\u5be6\u9ad4\u3002\u79fb\u9664\u4efb\u4f55\u7531\u5176\u4ed6\u6b04\u4f4d\u63a8\u5c0e\u51fa\u7684\u6b04\u4f4d\u3002<\/li>\n<li><strong>\u6aa2\u8996\u662f\u5426\u7b26\u5408\u898f\u7bc4\u5316\uff1a<\/strong> \u78ba\u4fdd\u4e0d\u5b58\u5728\u50b3\u905e\u4f9d\u8cf4\uff08\u4f8b\u5982\uff0c\u5982\u679c <em>A<\/em> \u6c7a\u5b9a <em>B<\/em>\uff0c\u4e14 <em>B<\/em> \u6c7a\u5b9a <em>C<\/em>\uff0c\u5247 <em>A<\/em> \u4e0d\u61c9\u6c7a\u5b9a <em>C<\/em> \u76f4\u63a5\uff09\u3002<\/li>\n<li><strong>\u6700\u7d42\u9a57\u8b49\uff1a<\/strong> \u900f\u904e\u8cc7\u6599\u8f38\u5165\u7684\u5834\u666f\u4f86\u8d70\u904e\u4e00\u904d\uff0c\u4ee5\u78ba\u8a8d\u6a21\u578b\u662f\u5426\u652f\u63f4\u3002<\/li>\n<\/ol>\n<h2>\u81ea\u6211\u8a55\u4f30\u6e05\u55ae \u2705<\/h2>\n<p>\u5728\u6700\u7d42\u78ba\u5b9a\u60a8\u7684ERD\u4e4b\u524d\uff0c\u8acb\u8d70\u904e\u6b64\u6e05\u55ae\u4ee5\u78ba\u4fdd\u54c1\u8cea\u3002<\/p>\n<ul>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong> \u6bcf\u500b\u8cc7\u6599\u8868\u90fd\u6709\u4e3b\u9375\u55ce\uff1f<\/li>\n<li><strong>\u4e00\u81f4\u6027\uff1a<\/strong> \u76f8\u95dc\u8cc7\u6599\u8868\u4e4b\u9593\u7684\u8cc7\u6599\u985e\u578b\u662f\u5426\u4e00\u81f4\uff1f<\/li>\n<li><strong>\u5b8c\u6574\u6027\uff1a<\/strong> \u662f\u5426\u53ef\u4ee5\u5728\u4e0d\u9055\u53cd\u7d04\u675f\u689d\u4ef6\u7684\u60c5\u6cc1\u4e0b\u63d2\u5165\u6240\u6709\u5fc5\u8981\u8cc7\u6599\uff1f<\/li>\n<li><strong>\u6e05\u6670\u5ea6\uff1a<\/strong> \u8cc7\u6599\u5be6\u9ad4\u8207\u5c6c\u6027\u540d\u7a31\u662f\u5426\u5177\u63cf\u8ff0\u6027\u4e14\u6a19\u6e96\u5316\uff1f<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong> 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