{"id":1550,"date":"2026-03-27T00:23:38","date_gmt":"2026-03-27T00:23:38","guid":{"rendered":"https:\/\/www.viz-read.com\/tw\/how-to-build-first-erd-guide\/"},"modified":"2026-03-27T00:23:38","modified_gmt":"2026-03-27T00:23:38","slug":"how-to-build-first-erd-guide","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/tw\/how-to-build-first-erd-guide\/","title":{"rendered":"\u5982\u4f55\u5efa\u7acb\u60a8\u7684\u7b2c\u4e00\u500bERD\uff1a\u9010\u6b65\u5feb\u901f\u5165\u9580\u6307\u5357"},"content":{"rendered":"<p>\u8a2d\u8a08\u4e00\u500b\u7a69\u5065\u7684\u8cc7\u6599\u5eab\u662f\u4efb\u4f55\u8edf\u9ad4\u61c9\u7528\u7684\u57fa\u790e\u3002\u82e5\u7121\u7d50\u69cb\u5316\u7684\u898f\u5283\uff0c\u8cc7\u6599\u5c07\u8b8a\u5f97\u96f6\u6563\uff0c\u96e3\u4ee5\u67e5\u8a62\uff0c\u4e14\u5bb9\u6613\u51fa\u932f\u3002\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u5373\u662f\u6b64\u7d50\u69cb\u7684\u85cd\u5716\u3002\u5b83\u80fd\u8996\u89ba\u5316\u8cc7\u6599\u5be6\u9ad4\u4e4b\u9593\u7684\u4e92\u52d5\uff0c\u78ba\u4fdd\u5728\u64b0\u5beb\u4efb\u4f55\u7a0b\u5f0f\u78bc\u4e4b\u524d\u5c31\u7dad\u6301\u8cc7\u6599\u5b8c\u6574\u6027\u3002\u672c\u6307\u5357\u5c07\u5e36\u60a8\u4e00\u6b65\u6b65\u5efa\u7acb\u7b2c\u4e00\u500bERD\uff0c\u5c08\u6ce8\u65bc\u6838\u5fc3\u6982\u5ff5\u3001\u7b26\u865f\u8868\u793a\u8207\u5be6\u969b\u6b65\u9a5f\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Marker-style infographic illustrating how to build your first Entity Relationship Diagram (ERD): features core components (entities, attributes, relationships), Crow's Foot notation symbols, a 5-step workflow (identify entities, define attributes, determine relationships, establish cardinality, review and normalize), cardinality types (one-to-one, one-to-many, many-to-many), naming best practices, and common database design pitfalls to avoid\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/erd-quick-start-guide-infographic-marker-illustration.jpg\"\/><\/figure>\n<\/div>\n<h2>\u7406\u89e3\u5be6\u9ad4\u95dc\u4fc2\u5716 \ud83d\udcca<\/h2>\n<p>ERD\u662f\u8cc7\u6599\u5eab\u7d50\u69cb\u7684\u8996\u89ba\u5316\u8868\u793a\u3002\u5b83\u6a19\u793a\u51fa\u5be6\u9ad4\u3001\u5b83\u5011\u7684\u5c6c\u6027\u4ee5\u53ca\u5f7c\u6b64\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u53ef\u5c07\u5176\u8996\u70ba\u8cc7\u6599\u7684\u5730\u5716\u3002\u5982\u540c\u9053\u8def\u5730\u5716\u5e6b\u52a9\u60a8\u5f9eA\u9ede\u5c0e\u822a\u81f3B\u9ede\uff0cERD\u4e5f\u80fd\u5e6b\u52a9\u60a8\u7684\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u638c\u63e1\u8868\u683c\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/p>\n<p>\u9019\u70ba\u4ec0\u9ebc\u91cd\u8981\uff1f<\/p>\n<ul>\n<li><strong>\u8cc7\u6599\u5b8c\u6574\u6027\uff1a<\/strong> \u5b83\u78ba\u4fdd\u8cc7\u6599\u5728\u7cfb\u7d71\u4e2d\u4fdd\u6301\u4e00\u81f4\u4e14\u6e96\u78ba\u3002<\/li>\n<li><strong> \u6e9d\u901a\uff1a<\/strong> \u5b83\u70ba\u958b\u767c\u4eba\u54e1\u3001\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u8207\u5229\u5bb3\u95dc\u4fc2\u4eba\u63d0\u4f9b\u4e86\u4e00\u7a2e\u5171\u901a\u8a9e\u8a00\u3002<\/li>\n<li><strong> \u6548\u7387\uff1a<\/strong> \u5b83\u80fd\u5e6b\u52a9\u65e9\u671f\u8b58\u5225\u91cd\u8907\u8cc7\u6599\uff0c\u7bc0\u7701\u5be6\u4f5c\u968e\u6bb5\u7684\u6642\u9593\u3002<\/li>\n<li><strong> \u53ef\u64f4\u5c55\u6027\uff1a<\/strong> \u826f\u597d\u7684\u8a2d\u8a08\u67b6\u69cb\u53ef\u8b93\u8cc7\u6599\u5eab\u5728\u4e0d\u9700\u5168\u9762\u91cd\u69cb\u7684\u60c5\u6cc1\u4e0b\u6301\u7e8c\u64f4\u5c55\u3002<\/li>\n<\/ul>\n<h3>ERD\u7684\u6838\u5fc3\u7d44\u6210\u5143\u4ef6<\/h3>\n<p>\u5728\u7e6a\u88fd\u7dda\u689d\u8207\u65b9\u6846\u4e4b\u524d\uff0c\u60a8\u5fc5\u9808\u5148\u4e86\u89e3\u57fa\u672c\u69cb\u6210\u8981\u7d20\u3002\u6bcf\u500b\u5716\u8868\u90fd\u4f9d\u8cf4\u9019\u4e09\u500b\u57fa\u672c\u5143\u7d20\u3002<\/p>\n<ul>\n<li><strong>\u5be6\u9ad4\uff1a<\/strong> \u4e00\u500b\u73fe\u5be6\u4e16\u754c\u4e2d\u5132\u5b58\u8cc7\u6599\u7684\u7269\u4ef6\u6216\u6982\u5ff5\u3002\u7bc4\u4f8b\u5305\u62ec<em>\u9867\u5ba2<\/em>, <em>\u8a02\u55ae<\/em>\uff0c\u6216<em>\u7522\u54c1<\/em>.<\/li>\n<li><strong>\u5c6c\u6027\uff1a<\/strong> \u5be6\u9ad4\u7684\u7279\u5b9a\u6027\u8cea\u6216\u7279\u5fb5\u3002\u5c0d\u65bc\u4e00\u500b<em>\u9867\u5ba2<\/em>\uff0c\u5c6c\u6027\u53ef\u80fd\u5305\u62ec<em>\u59d3\u540d<\/em>, <em>\u96fb\u5b50\u90f5\u4ef6<\/em>\uff0c\u4ee5\u53ca<em>\u96fb\u8a71\u865f\u78bc<\/em>.<\/li>\n<li><strong>\u95dc\u4fc2\uff1a<\/strong>\u5169\u500b\u6216\u591a\u500b\u5be6\u9ad4\u4e4b\u9593\u7684\u95dc\u806f\u3002\u9019\u5b9a\u7fa9\u4e86\u67d0\u500b\u5be6\u9ad4\u4e2d\u7684\u8cc7\u6599\u5982\u4f55\u8207\u53e6\u4e00\u500b\u5be6\u9ad4\u4e2d\u7684\u8cc7\u6599\u76f8\u9023\u3002<\/li>\n<\/ul>\n<h3>\u5e38\u898b\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\u7b26\u865f\u8207\u6a19\u8a18 \ud83d\udee0\ufe0f<\/h3>\n<p>\u9019\u4e9b\u5143\u4ef6\u6709\u4e0d\u540c\u65b9\u5f0f\u53ef\u4ee5\u8996\u89ba\u5316\u5448\u73fe\u3002\u6700\u5e38\u898b\u7684\u5169\u7a2e\u98a8\u683c\u662f\u9673\u6c0f\u6a19\u8a18\u6cd5\u8207\u70cf\u9d09\u8db3\u6a19\u8a18\u6cd5\u3002\u9673\u6c0f\u6a19\u8a18\u6cd5\u4f7f\u7528\u77e9\u5f62\u548c\u83f1\u5f62\uff0c\u800c\u70cf\u9d09\u8db3\u6a19\u8a18\u6cd5\u5247\u4f7f\u7528\u77e9\u5f62\u8207\u5177\u6709\u7279\u5b9a\u672b\u7aef\u7684\u7dda\u689d\u3002\u5927\u591a\u6578\u73fe\u4ee3\u8cc7\u6599\u5eab\u5efa\u6a21\u5de5\u5177\u90fd\u4f7f\u7528\u70cf\u9d09\u8db3\u6a19\u8a18\u6cd5\u7684\u8b8a\u9ad4\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7b26\u865f<\/th>\n<th>\u542b\u7fa9<\/th>\n<th>\u4f7f\u7528\u7bc4\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u77e9\u5f62<\/td>\n<td>\u4ee3\u8868\u4e00\u500b\u5be6\u9ad4<\/td>\n<td>\u6a19\u7c64\u70ba<strong>\u5b78\u751f<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u6a62\u5713<\/td>\n<td>\u4ee3\u8868\u4e00\u500b\u5c6c\u6027<\/td>\n<td>\u8207<strong>\u5b78\u751f<\/strong>\u6a19\u7c64\u70ba<strong>ID<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u83f1\u5f62<\/td>\n<td>\u4ee3\u8868\u4e00\u500b\u95dc\u4fc2<\/td>\n<td>\u9023\u63a5<strong>\u5b78\u751f<\/strong>\u8207<strong>\u8ab2\u7a0b<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\u5e36\u6709\u70cf\u9d09\u8db3\u7684\u7dda\u689d<\/td>\n<td>\u8868\u793a\u300c\u591a\u500b\u300d\uff08M\uff09<\/td>\n<td>\u4e00\u540d\u5b78\u751f\u53ef\u4ee5\u9078\u4fee\u591a\u9580\u8ab2\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>\u5e36\u55ae\u52fe\u7684\u7dda\u689d<\/td>\n<td>\u8868\u793a\u300c\u4e00\u500b\u300d(1)<\/td>\n<td>\u4e00\u9580\u8ab2\u7a0b\u53ea\u6709\u4e00\u4f4d\u8b1b\u5e2b<\/td>\n<\/tr>\n<tr>\n<td>\u5713\u5f62<\/td>\n<td>\u8868\u793a\u53ef\u9078\u53c3\u8207<\/td>\n<td>\u4e00\u4f4d\u5b78\u751f\u53ef\u80fd\u5c1a\u672a\u88ab\u5206\u914d\u5b78\u865f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u9010\u6b65\u6307\u5357\uff1a\u5efa\u7acb\u4f60\u7684\u7b2c\u4e00\u500bERD \ud83d\ude80<\/h2>\n<p>\u5efa\u7acbERD\u662f\u4e00\u500b\u908f\u8f2f\u904e\u7a0b\u3002\u4f60\u4e0d\u9700\u8981\u77e5\u9053\u6700\u7d42\u7684\u7a0b\u5f0f\u78bc\u5c31\u53ef\u4ee5\u958b\u59cb\u3002\u4f60\u9700\u8981\u7406\u89e3\u696d\u52d9\u9700\u6c42\u3002\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff0c\u5efa\u7acb\u7a69\u56fa\u7684\u57fa\u790e\u3002<\/p>\n<h3>\u6b65\u9a5f 1\uff1a\u8b58\u5225\u5be6\u9ad4 \ud83d\udce6<\/h3>\n<p>\u7b2c\u4e00\u9805\u4efb\u52d9\u662f\u5217\u51fa\u7cfb\u7d71\u4e2d\u6bcf\u500b\u7368\u7279\u7684\u7269\u4ef6\u3002\u6aa2\u8996\u4f60\u7684\u696d\u52d9\u9700\u6c42\u6587\u4ef6\uff0c\u6216\u8207\u5229\u5bb3\u95dc\u4fc2\u4eba\u9032\u884c\u8a2a\u8ac7\uff0c\u4ee5\u627e\u51fa\u540d\u8a5e\u3002\u9019\u4e9b\u540d\u8a5e\u901a\u5e38\u662f\u4f60\u7684\u5be6\u9ad4\u3002<\/p>\n<ul>\n<li><strong>\u5c0b\u627e\u540d\u8a5e\uff1a<\/strong> \u5982\u679c\u4f60\u6b63\u5728\u5efa\u7acb\u5716\u66f8\u9928\u7cfb\u7d71\uff0c\u8acb\u5c0b\u627e Book\u3001Member\u3001Loan \u548c Fine \u4e4b\u985e\u7684\u8a5e\u5f59\u3002<\/li>\n<li><strong>\u904e\u6ffe\u6389\u4e0d\u76f8\u95dc\u7684\u9805\u76ee\uff1a<\/strong> \u4e0d\u662f\u6bcf\u500b\u540d\u8a5e\u90fd\u662f\u5be6\u9ad4\u3002\u50cf <em>\u8655\u7406<\/em> \u6216 <em>\u6aa2\u67e5<\/em> \u901a\u5e38\u90fd\u662f\u52d5\u4f5c\uff0c\u800c\u4e0d\u662f\u5be6\u9ad4\u3002<\/li>\n<li><strong>\u4fdd\u6301\u7d30\u7dfb\u5ea6\uff1a<\/strong> \u907f\u514d\u5c07\u591a\u500b\u6982\u5ff5\u5408\u4f75\u6210\u4e00\u500b\u65b9\u6846\u3002\u4e00\u500b <em>CustomerAddress<\/em> \u5be6\u9ad4\u6700\u7d42\u53ef\u80fd\u9700\u8981\u62c6\u5206\u6210 <em>\u9867\u5ba2<\/em> \u548c <em>Address<\/em> \u5982\u679c\u4f60\u9700\u8981\u8ffd\u8e64\u591a\u500b\u5730\u5740\u7684\u8a71\u3002<\/li>\n<\/ul>\n<p><strong>\u7bc4\u4f8b\u6e05\u55ae\uff1a<\/strong><\/p>\n<ul>\n<li>\u7522\u54c1<\/li>\n<li>\u4f9b\u61c9\u5546<\/li>\n<li>\u8a02\u55ae<\/li>\n<li>\u9867\u5ba2<\/li>\n<\/ul>\n<h3>\u6b65\u9a5f 2\uff1a\u5b9a\u7fa9\u5c6c\u6027 \ud83c\udff7\ufe0f<\/h3>\n<p>\u4e00\u65e6\u8b58\u5225\u51fa\u5be6\u9ad4\uff0c\u60a8\u5fc5\u9808\u78ba\u5b9a\u9700\u8981\u5132\u5b58\u54ea\u4e9b\u8cc7\u8a0a\u3002\u5c6c\u6027\u662f\u60a8\u6700\u7d42\u8cc7\u6599\u5eab\u8868\u683c\u4e2d\u7684\u6b04\u4f4d\u3002<\/p>\n<ul>\n<li><strong>\u4e3b\u8981\u9375\uff1a<\/strong>\u6bcf\u500b\u5be6\u9ad4\u90fd\u9700\u8981\u4e00\u500b\u552f\u4e00\u7684\u8b58\u5225\u7b26\u3002\u9019\u901a\u5e38\u662f\u4e00\u500b ID \u6b04\u4f4d\uff08\u4f8b\u5982\uff0c<code>CustomerID<\/code>, <code>ProductID<\/code>\uff09\u3002\u5b83\u5fc5\u9808\u70ba\u6bcf\u500b\u8a18\u9304\u90fd\u552f\u4e00\u3002<\/li>\n<li><strong>\u63cf\u8ff0\u6027\u5c6c\u6027\uff1a<\/strong> \u9019\u4e9b\u7528\u4f86\u63cf\u8ff0\u5be6\u9ad4\u3002\u5c0d\u65bc\u4e00\u500b<em>Product<\/em>\uff0c\u9019\u5305\u62ec<em>Name<\/em>, <em>Price<\/em>\uff0c\u4ee5\u53ca<em>StockQuantity<\/em>.<\/li>\n<li><strong>\u5916\u4f86\u9375\uff1a<\/strong> \u9019\u4e9b\u5c07\u5728\u95dc\u4fc2\u6b65\u9a5f\u4e2d\u7a0d\u5f8c\u8b58\u5225\uff0c\u4f46\u8acb\u6ce8\u610f\u8cc7\u6599\u5c07\u9023\u7d50\u5230\u5176\u4ed6\u8868\u683c\u7684\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<p><strong>\u6700\u4f73\u5be6\u52d9\uff1a<\/strong> \u907f\u514d\u5c07\u8a08\u7b97\u503c\u5132\u5b58\u70ba\u5c6c\u6027\uff08\u4f8b\u5982\uff0c<em>TotalPrice<\/em>\uff09\u3002\u5728\u57f7\u884c\u968e\u6bb5\u8a08\u7b97\u9019\u4e9b\u503c\uff0c\u4ee5\u907f\u514d\u8cc7\u6599\u4e0d\u4e00\u81f4\u3002<\/p>\n<h3>\u6b65\u9a5f 3\uff1a\u78ba\u5b9a\u95dc\u4fc2 \ud83d\udd17<\/h3>\n<p>\u73fe\u5728\u60a8\u5c07\u5be6\u9ad4\u9023\u7d50\u8d77\u4f86\u3002\u9019\u4e00\u6b65\u5b9a\u7fa9\u4e86\u8cc7\u6599\u5982\u4f55\u4e92\u52d5\u3002\u8acb\u554f\u985e\u4f3c\u554f\u984c\uff1a\u4e00\u500b\u5ba2\u6236\u80fd\u5426\u64c1\u6709\u591a\u4e2a\u8a02\u55ae\uff1f\u4e00\u500b\u8a02\u55ae\u80fd\u5426\u5c6c\u65bc\u591a\u500b\u5ba2\u6236\uff1f<\/p>\n<ul>\n<li><strong>\u8b58\u5225\u95dc\u806f\uff1a<\/strong> \u5728\u60a8\u7684\u9700\u6c42\u4e2d\u5c0b\u627e\u52d5\u8a5e\u3002<em>Places<\/em>, <em>\u5305\u542b<\/em>, <em>\u4f9b\u61c9<\/em>.<\/li>\n<li><strong>\u5b9a\u7fa9\u65b9\u5411\uff1a<\/strong>\u5224\u65b7\u95dc\u4fc2\u662f\u55ae\u5411\u9084\u662f\u96d9\u5411\u3002<\/li>\n<li><strong>\u6aa2\u67e5\u50b3\u905e\u6027\uff1a<\/strong>\u78ba\u4fdd\u95dc\u4fc2\u662f\u76f4\u63a5\u7684\u3002\u5982\u679cA\u8207B\u6709\u95dc\u806f\uff0c\u4e14B\u8207C\u6709\u95dc\u806f\uff0c\u8acb\u6aa2\u67e5A\u662f\u5426\u9700\u8981\u8207C\u6709\u76f4\u63a5\u9023\u7d50\u3002<\/li>\n<\/ul>\n<h3>\u6b65\u9a5f4\uff1a\u5efa\u7acb\u57fa\u6578\u8207\u53c3\u8207\u5ea6 \ud83d\udccf<\/h3>\n<p>\u57fa\u6578\u5b9a\u7fa9\u4e86\u4e00\u500b\u5be6\u9ad4\u7684\u5be6\u4f8b\u8207\u53e6\u4e00\u500b\u5be6\u9ad4\u7684\u5be6\u4f8b\u4e4b\u9593\u7684\u95dc\u806f\u6578\u91cf\u3002\u9019\u5c0d\u65bc\u5b9a\u7fa9\u5916\u9375\u7d04\u675f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h4>\u57fa\u6578\u7684\u985e\u578b<\/h4>\n<ul>\n<li><strong>\u4e00\u5c0d\u4e00\uff081:1\uff09\uff1a<\/strong>\u5be6\u9ad4A\u7684\u4e00\u500b\u5be6\u4f8b\u50c5\u8207\u5be6\u9ad4B\u7684\u4e00\u500b\u5be6\u4f8b\u76f8\u95dc\u806f\u3002\u7bc4\u4f8b\uff1a\u4e00\u540d\u54e1\u5de5\u64c1\u6709\u4e00\u5f35\u54e1\u5de5\u8b49\u3002<\/li>\n<li><strong>\u4e00\u5c0d\u591a\uff081:N\uff09\uff1a<\/strong>\u5be6\u9ad4A\u7684\u4e00\u500b\u5be6\u4f8b\u8207\u5be6\u9ad4B\u7684\u591a\u500b\u5be6\u4f8b\u76f8\u95dc\u806f\u3002\u7bc4\u4f8b\uff1a\u4e00\u540d\u7d93\u7406\u76e3\u7763\u591a\u540d\u54e1\u5de5\u3002<\/li>\n<li><strong>\u591a\u5c0d\u591a\uff08M:N\uff09\uff1a<\/strong>\u5be6\u9ad4A\u7684\u591a\u500b\u5be6\u4f8b\u8207\u5be6\u9ad4B\u7684\u591a\u500b\u5be6\u4f8b\u76f8\u95dc\u806f\u3002\u7bc4\u4f8b\uff1a\u591a\u540d\u5b78\u751f\u9078\u4fee\u591a\u9580\u8ab2\u7a0b\u3002<\/li>\n<\/ul>\n<h4>\u53c3\u8207\u7d04\u675f<\/h4>\n<ul>\n<li><strong>\u5f37\u5236\u6027\uff1a<\/strong>\u5be6\u9ad4\u5fc5\u9808\u53c3\u8207\u6b64\u95dc\u4fc2\u3002\u6bcf\u500b\u8a02\u55ae\u90fd\u5fc5\u9808\u6709\u5c0d\u61c9\u7684\u5ba2\u6236\u3002<\/li>\n<li><strong>\u53ef\u9078\u6027\uff1a<\/strong>\u5be6\u9ad4\u4e0d\u5fc5\u53c3\u8207\u3002\u5982\u679c\u5ba2\u6236\u50c5\u5728\u5e97\u5167\u4ed8\u6b3e\uff0c\u5247\u53ef\u80fd\u6c92\u6709\u914d\u9001\u5730\u5740\u3002<\/li>\n<\/ul>\n<p><strong>\u95dc\u65bc\u591a\u5c0d\u591a\u7684\u6ce8\u610f\u4e8b\u9805\uff1a<\/strong>\u5927\u591a\u6578\u95dc\u4fc2\u578b\u8cc7\u6599\u5eab\u7121\u6cd5\u76f4\u63a5\u5132\u5b58\u591a\u5c0d\u591a\u95dc\u4fc2\u3002\u60a8\u5fc5\u9808\u900f\u904e\u5efa\u7acb\u806f\u7d50\u8868\uff08\u6216\u6a4b\u63a5\u8868\uff09\u4f86\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u91dd\u5c0d\u5b78\u751f\u8207\u8ab2\u7a0b\uff0c\u8acb\u5efa\u7acb\u4e00\u500b\u540d\u70ba<em>\u8a3b\u518a<\/em>\u7684\u8cc7\u6599\u8868\uff0c\u7528\u4ee5\u9023\u7d50\u5b78\u751f\u7de8\u865f\u8207\u8ab2\u7a0b\u7de8\u865f\u3002<\/p>\n<h3>\u6b65\u9a5f5\uff1a\u6aa2\u8996\u8207\u898f\u7bc4\u5316 \ud83e\uddf9<\/h3>\n<p>\u7e6a\u88fd\u5b8c\u9023\u7d50\u5f8c\uff0c\u8acb\u6aa2\u8996\u60a8\u7684\u5716\u8868\u662f\u5426\u5b58\u5728\u7d50\u69cb\u4e0a\u7684\u7455\u75b5\u3002\u898f\u7bc4\u5316\u662f\u7d44\u7e54\u8cc7\u6599\u4ee5\u6e1b\u5c11\u5197\u9918\u4e26\u63d0\u5347\u5b8c\u6574\u6027\u7684\u4e00\u500b\u904e\u7a0b\u3002<\/p>\n<ul>\n<li><strong>\u7b2c\u4e00\u7bc4\u5f0f\uff081NF\uff09\uff1a<\/strong>\u78ba\u4fdd\u6bcf\u4e00\u6b04\u90fd\u5305\u542b\u539f\u5b50\u503c\u3002\u55ae\u5143\u683c\u4e2d\u4e0d\u5f97\u5305\u542b\u6e05\u55ae\u6216\u9663\u5217\u3002<\/li>\n<li><strong>\u7b2c\u4e8c\u7bc4\u5f0f\uff082NF\uff09\uff1a<\/strong> \u78ba\u4fdd\u6240\u6709\u975e\u9375\u5c6c\u6027\u90fd\u5b8c\u5168\u4f9d\u8cf4\u65bc\u4e3b\u9375\u3002\u79fb\u9664\u90e8\u5206\u4f9d\u8cf4\u3002<\/li>\n<li><strong>\u7b2c\u4e09\u7bc4\u5f0f\uff083NF\uff09\uff1a<\/strong> \u78ba\u4fdd\u4e0d\u5b58\u5728\u50b3\u905e\u4f9d\u8cf4\u3002\u79fb\u9664\u4f9d\u8cf4\u65bc\u5176\u4ed6\u975e\u9375\u5c6c\u6027\u7684\u5c6c\u6027\u3002<\/li>\n<\/ul>\n<p>\u96d6\u7136\u5927\u591a\u6578\u61c9\u7528\u7a0b\u5f0f\u4e0d\u9700\u8981\u8d85\u904e3NF\uff0c\u4f46\u78ba\u4fdd\u8a2d\u8a08\u9075\u5faa\u9019\u4e9b\u898f\u5247\u53ef\u4ee5\u9632\u6b62\u8cc7\u6599\u7570\u5e38\u3002<\/p>\n<h2>\u5e38\u898b\u7684\u9677\u9631\uff0c\u61c9\u907f\u514d \u26a0\ufe0f<\/h2>\n<p>\u5373\u4f7f\u7d93\u9a57\u8c50\u5bcc\u7684\u8a2d\u8a08\u5e2b\u4e5f\u6703\u72af\u932f\u3002\u4e86\u89e3\u5e38\u898b\u932f\u8aa4\u53ef\u4ee5\u5e6b\u52a9\u60a8\u907f\u514d\u65e5\u5f8c\u9032\u884c\u91cd\u5927\u91cd\u69cb\u3002<\/p>\n<ul>\n<li><strong>\u907a\u6f0f\u4e3b\u9375\uff1a<\/strong> \u6c38\u9060\u4e0d\u8981\u5728\u6c92\u6709\u552f\u4e00\u8b58\u5225\u7b26\u7684\u60c5\u6cc1\u4e0b\u5efa\u7acb\u8868\u683c\u3002\u9019\u6703\u8b93\u66f4\u65b0\u548c\u522a\u9664\u8a18\u9304\u5e7e\u4e4e\u8b8a\u5f97\u4e0d\u53ef\u80fd\u3002<\/li>\n<li><strong>\u932f\u8aa4\u7684\u8cc7\u6599\u985e\u578b\uff1a<\/strong> \u78ba\u4fdd\u5c6c\u6027\u8207\u8cc7\u6599\u76f8\u7b26\u3002\u4e0d\u8981\u5c07\u65e5\u671f\u5132\u5b58\u70ba\u6587\u5b57\u3002\u5982\u679c\u9700\u8981\u5206\uff0c\u5c31\u4e0d\u8981\u5c07\u50f9\u683c\u5132\u5b58\u70ba\u6574\u6578\u3002<\/li>\n<li><strong>\u904e\u5ea6\u898f\u7bc4\u5316\uff1a<\/strong> \u96d6\u7136\u898f\u7bc4\u5316\u662f\u597d\u7684\uff0c\u4f46\u592a\u591a\u8868\u683c\u6703\u4f7f\u67e5\u8a62\u8b8a\u6162\u4e14\u8907\u96dc\u3002\u61c9\u5728\u8cc7\u6599\u5b8c\u6574\u6027\u8207\u6548\u80fd\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002<\/li>\n<li><strong>\u5ffd\u7565\u5927\u5c0f\u5beb\u654f\u611f\u6027\uff1a<\/strong> \u5c3d\u65e9\u6c7a\u5b9a\u60a8\u7684\u7cfb\u7d71\u662f\u5426\u5340\u5206\u5927\u5c0f\u5beb\u3002<em>email@domain.com<\/em> \u4e0d\u61c9\u88ab\u8996\u70ba\u8207 <em>EMAIL@DOMAIN.COM<\/em>.<\/li>\n<li><strong>\u786c\u7de8\u78bc\u503c\uff1a<\/strong> \u907f\u514d\u5132\u5b58\u50cf <code>1<\/code> \u6216 <code>2<\/code> \u4e14\u6c92\u6709\u53c3\u8003\u8868\u683c\u3002\u5c0d\u65bc\u50cf <em>\u555f\u7528<\/em>, <em>\u505c\u7528<\/em>, <em>\u5f85\u8655\u7406<\/em>.<\/li>\n<\/ul>\n<h2>\u547d\u540d\u6163\u4f8b\u7684\u6700\u4f73\u5be6\u8e10 \ud83d\udcdd<\/h2>\n<p>\u547d\u540d\u7684\u4e00\u81f4\u6027\u4f7f\u60a8\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u548c\u751f\u6210\u7684\u8cc7\u6599\u5eab\u5c0d\u6240\u6709\u53c3\u8207\u8005\u90fd\u5177\u6709\u53ef\u8b80\u6027\u3002\u6df7\u6dc6\u7684\u540d\u7a31\u6703\u5c0e\u81f4\u7a0b\u5f0f\u78bc\u4e2d\u7684\u6df7\u4e82\u3002<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u55ae\u6578\u540d\u8a5e\uff1a<\/strong> \u4ee5\u55ae\u6578\u5f62\u5f0f\u547d\u540d\u8cc7\u6599\u8868\uff08\u4f8b\u5982\uff0c<em>Customer<\/em> \u800c\u4e0d\u662f <em>Customers<\/em>).<\/li>\n<li><strong>\u4f7f\u7528\u5e95\u7dda\uff1a<\/strong> \u4f7f\u7528\u5e95\u7dda\u5206\u9694\u55ae\u8a5e\u4ee5\u63d0\u9ad8\u53ef\u8b80\u6027\uff08\u4f8b\u5982\uff0c<code>customer_name<\/code> \u800c\u4e0d\u662f <code>customername<\/code>).<\/li>\n<li><strong>\u907f\u514d\u4fdd\u7559\u5b57\uff1a<\/strong> \u4e0d\u8981\u4f7f\u7528\u50cf <em>Order<\/em>, <em>User<\/em>\u3001\u6216 <em>Group<\/em> \u4f5c\u70ba\u8cc7\u6599\u8868\u540d\u7a31\u800c\u4e0d\u505a\u4fee\u6539\uff0c\u56e0\u70ba\u5b83\u5011\u53ef\u80fd\u6703\u8207 SQL \u8a9e\u6cd5\u885d\u7a81\u3002<\/li>\n<li><strong>\u5177\u63cf\u8ff0\u6027\uff1a<\/strong> \u4f7f\u7528\u6e05\u6670\u7684\u540d\u7a31\u3002<code>cust_id<\/code> \u9084\u53ef\u4ee5\uff0c\u4f46 <code>customer_id<\/code> \u66f4\u6709\u5229\u65bc\u6e05\u6670\u8868\u9054\u3002<\/li>\n<li><strong>\u7d71\u4e00\u524d\u7db4\uff1a<\/strong> \u5982\u679c\u4f7f\u7528\u7279\u5b9a\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\uff0c\u8acb\u4fdd\u6301\u524d\u7db4\uff08\u4f8b\u5982\uff1a<code>tbl_<\/code> \u6216 <code>ref_<\/code>).<\/li>\n<\/ul>\n<h2>\u8996\u89ba\u5316\u8cc7\u6599\u6d41\u7a0b \ud83d\udd04<\/h2>\n<p>\u5b8c\u6210\u60a8\u7684\u5716\u8868\u5f8c\uff0c\u8acb\u8996\u89ba\u5316\u8cc7\u6599\u5728\u7cfb\u7d71\u4e2d\u7684\u6d41\u52d5\u65b9\u5f0f\u3002\u9019\u6709\u52a9\u65bc\u7406\u89e3\u61c9\u7528\u7a0b\u5f0f\u7684\u908f\u8f2f\u3002<\/p>\n<ul>\n<li><strong>\u63d2\u5165\uff1a<\/strong> \u65b0\u8cc7\u6599\u662f\u5982\u4f55\u9032\u5165\u4e3b\u8981\u5be6\u9ad4\u7684\uff1f\uff08\u4f8b\u5982\uff1a\u65b0\u589e\u4e00\u7b46\u5ba2\u6236\u8cc7\u6599\uff09\u3002<\/li>\n<li><strong>\u4fee\u6539\uff1a<\/strong> \u8cc7\u6599\u662f\u5982\u4f55\u66f4\u65b0\u7684\uff1f\uff08\u4f8b\u5982\uff1a\u8b8a\u66f4\u5730\u5740\uff09\u3002<\/li>\n<li><strong>\u522a\u9664\uff1a<\/strong> \u7576\u4e00\u7b46\u8a18\u9304\u88ab\u522a\u9664\u6642\uff0c\u76f8\u95dc\u8cc7\u6599\u6703\u767c\u751f\u4ec0\u9ebc\u60c5\u6cc1\uff1f\uff08\u4f8b\u5982\uff1a\u7d1a\u806f\u522a\u9664 vs. \u9650\u5236\u522a\u9664\uff09\u3002<\/li>\n<li><strong>\u67e5\u8a62\uff1a<\/strong> \u60a8\u5c07\u5982\u4f55\u53d6\u5f97\u8cc7\u6599\uff1f\uff08\u4f8b\u5982\uff1a\u5c07\u8a02\u55ae\u8207\u5ba2\u6236\u8cc7\u6599\u8868\u9032\u884c\u9023\u63a5\uff09\u3002<\/li>\n<\/ul>\n<h2>\u5716\u793a\u7e6a\u88fd\u5de5\u5177 \ud83d\udda5\ufe0f<\/h2>\n<p>\u96d6\u7136\u60a8\u53ef\u4ee5\u5728\u7d19\u4e0a\u7e6a\u88fd\uff0c\u4f46\u6578\u4f4d\u5de5\u5177\u5177\u6709\u7248\u672c\u63a7\u5236\u548c\u81ea\u52d5\u7522\u751f SQL \u7a0b\u5f0f\u78bc\u7b49\u512a\u52e2\u3002\u9078\u64c7\u5de5\u5177\u6642\uff0c\u8acb\u5c0b\u627e\u652f\u63f4\u6a19\u6e96 ERD \u8868\u793a\u6cd5\u7684\u529f\u80fd\u3002<\/p>\n<ul>\n<li><strong>\u5354\u4f5c\uff1a<\/strong> \u662f\u5426\u5141\u8a31\u591a\u500b\u4f7f\u7528\u8005\u540c\u6642\u7de8\u8f2f\u5716\u8868\uff1f<\/li>\n<li><strong>\u532f\u51fa\u9078\u9805\uff1a<\/strong> \u662f\u5426\u53ef\u4ee5\u532f\u51fa\u70ba SQL \u6307\u4ee4\u78bc\u3001PNG \u6216 PDF \u683c\u5f0f\uff1f<\/li>\n<li><strong>\u9a57\u8b49\uff1a<\/strong> \u8a72\u5de5\u5177\u662f\u5426\u6703\u6aa2\u67e5\u8cc7\u6599\u5eab\u6b63\u898f\u5316\u898f\u5247\u6216\u5faa\u74b0\u4f9d\u8cf4\uff1f<\/li>\n<li><strong>\u6574\u5408\uff1a<\/strong> \u5b83\u662f\u5426\u80fd\u8207\u60a8\u73fe\u6709\u7684\u5de5\u4f5c\u6d41\u7a0b\u6216\u5c08\u6848\u7ba1\u7406\u5de5\u5177\u6574\u5408\uff1f<\/li>\n<\/ul>\n<h2>\u5e38\u898b\u554f\u984c \u2753<\/h2>\n<p>\u4ee5\u4e0b\u662f\u521d\u5b78\u8005\u5728\u958b\u59cb\u8cc7\u6599\u5eab\u8a2d\u8a08\u6642\u7d93\u5e38\u63d0\u51fa\u7684\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u7b54\u3002<\/p>\n<h3>1. \u5728\u88fd\u4f5c ERD 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