{"id":1576,"date":"2026-03-25T17:37:34","date_gmt":"2026-03-25T17:37:34","guid":{"rendered":"https:\/\/www.viz-read.com\/tw\/erd-evolution-scaling-database-model\/"},"modified":"2026-03-25T17:37:34","modified_gmt":"2026-03-25T17:37:34","slug":"erd-evolution-scaling-database-model","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/tw\/erd-evolution-scaling-database-model\/","title":{"rendered":"ERD\u6f14\u9032\uff1a\u96a8\u8457\u61c9\u7528\u7a0b\u5f0f\u6210\u9577\uff0c\u4f60\u7684\u8cc7\u6599\u6a21\u578b\u5982\u4f55\u8b8a\u5316"},"content":{"rendered":"<p>\u6bcf\u500b\u61c9\u7528\u7a0b\u5f0f\u90fd\u5f9e\u4e00\u500b\u69cb\u60f3\u958b\u59cb\u3002\u9019\u500b\u69cb\u60f3\u9700\u8981\u8cc7\u6599\u5132\u5b58\uff0c\u800c\u8cc7\u6599\u5132\u5b58\u5247\u9700\u8981\u4e00\u4efd\u85cd\u5716\u3002\u9019\u4efd\u85cd\u5716\u5c31\u662f\u5be6\u9ad4-\u95dc\u4fc2\u5716\uff08ERD\uff09\u3002\u5b83\u662f\u6c7a\u5b9a\u7cfb\u7d71\u5982\u4f55\u7406\u89e3\u8cc7\u8a0a\u7684\u57fa\u790e\u6587\u4ef6\u3002\u7136\u800c\uff0c\u4e00\u9593\u5c0f\u68da\u5c4b\u7684\u85cd\u5716\u7121\u6cd5\u9069\u7528\u65bc\u6469\u5929\u5927\u6a13\u3002\u540c\u6a23\u5730\uff0c\u70ba\u539f\u578b\u8a2d\u8a08\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\uff0c\u5f80\u5f80\u7121\u6cd5\u627f\u53d7\u751f\u7522\u74b0\u5883\u7684\u6d41\u91cf\u58d3\u529b\u8207\u8907\u96dc\u7684\u5546\u696d\u908f\u8f2f\u3002<\/p>\n<p>\u7406\u89e3ERD\u7684\u6f14\u9032\u5c0d\u6280\u8853\u8ca0\u8cac\u4eba\u3001\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u8207\u8edf\u9ad4\u67b6\u69cb\u5e2b\u81f3\u95dc\u91cd\u8981\u3002\u9019\u6d89\u53ca\u5728\u5f48\u6027\u8207\u5b8c\u6574\u6027\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002\u96a8\u8457\u4f7f\u7528\u8005\u7fa4\u9ad4\u64f4\u5927\uff0c\u4f60\u7684\u8cc7\u6599\u9700\u6c42\u4e5f\u6703\u6539\u8b8a\u3002\u4f60\u4e0d\u80fd\u6c38\u9060\u7dad\u6301\u6700\u521d\u7684\u6a21\u578b\u3002\u5fc5\u9808\u52a0\u4ee5\u8abf\u6574\u3002\u672c\u6307\u5357\u63a2\u8a0e\u8cc7\u6599\u6a21\u578b\u7684\u751f\u547d\u5468\u671f\uff0c\u5f9e\u7b2c\u4e00\u884c\u7a0b\u5f0f\u78bc\u5230\u4f01\u696d\u7d1a\u67b6\u69cb\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Cartoon infographic illustrating ERD evolution through 4 phases: MVP seedling stage with flexible schemas, growth stage with normalization for data integrity, scale stage with strategic denormalization for performance, and enterprise architecture stage with microservices and polyglot persistence, plus migration strategies and common pitfalls for database modeling\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/erd-evolution-infographic-cartoon.jpg\"\/><\/figure>\n<\/div>\n<h2>\u7b2c\u4e00\u968e\u6bb5\uff1a\u5e7c\u82d7\u671f\uff08MVP\uff09 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<code>User<\/code>\u8cc7\u6599\u8868\u53ef\u80fd\u5305\u542b\u4e00\u500bJSON\u683c\u5f0f\u7684\u500b\u4eba\u8a2d\u5b9a\u8cc7\u6599\uff0c\u800c\u4e0d\u662f\u7368\u7acb\u7684 <code>Profile<\/code>\u8cc7\u6599\u8868\u3002\u9019\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u9023\u63a5\u7684\u9700\u6c42\uff0c\u52a0\u5feb\u5100\u8868\u677f\u7684\u8b80\u53d6\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u9019\u6703\u7522\u751f\u6280\u8853\u8ca0\u50b5\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5f0f\u6210\u719f\uff0c\u67e5\u8a62\u9019\u4e9b\u5d4c\u5957\u8cc7\u6599\u6703\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u6162\uff0c\u4e5f\u66f4\u96e3\u7dad\u8b77\u3002<\/p>\n<h3>\u65e9\u671f\u6a21\u578b\u7684\u95dc\u9375\u7279\u5fb5<\/h3>\n<ul>\n<li>\u6700\u5c11\u7684\u5916\u9375\u7d04\u675f\u3002<\/li>\n<li>\u5f48\u6027\u7684\u6b04\u4f4d\u985e\u578b\uff08\u4f8b\u5982\uff0c\u5168\u90e8\u4f7f\u7528VARCHAR\uff09\u3002<\/li>\n<li>\u55ae\u4e00\u8cc7\u6599\u5eab\u5be6\u4f8b\u3002<\/li>\n<li>\u61c9\u7528\u7a0b\u5f0f\u7269\u4ef6\u8207\u8cc7\u6599\u5eab\u8868\u683c\u4e4b\u9593\u7684\u76f4\u63a5\u5c0d\u61c9\u3002<\/li>\n<\/ul>\n<h2>\u7b2c\u4e8c\u968e\u6bb5\uff1a\u6210\u9577\u671f\uff08\u6a19\u6e96\u5316\uff09 \ud83c\udfd7\ufe0f<\/h2>\n<p>\u7576\u7522\u54c1\u7372\u5f97\u5e02\u5834\u8a8d\u53ef\u5f8c\uff0c\u6700\u521d\u7684\u5f48\u6027\u53cd\u800c\u6210\u70ba\u8ca0\u64d4\u3002\u8cc7\u6599\u91cd\u8907\u6703\u5c0e\u81f4\u4e0d\u4e00\u81f4\u3002\u5982\u679c\u4f7f\u7528\u8005\u5728\u4e00\u500b\u5730\u65b9\u66f4\u65b0\u4e86\u96fb\u5b50\u90f5\u4ef6\uff0c\u537b\u672a\u5728\u53e6\u4e00\u8655\u66f4\u65b0\uff0c\u7cfb\u7d71\u7684\u4fe1\u4efb\u5ea6\u5c31\u6703\u53d7\u640d\u3002\u9019\u6b63\u662f\u898f\u7bc4\u5316\u61c9\u88ab\u512a\u5148\u8003\u616e\u7684\u968e\u6bb5\u3002<\/p>\n<h3>\u73fe\u5728\u70ba\u4ec0\u9ebc\u8981\u9032\u884c\u898f\u7bc4\u5316\uff1f<\/h3>\n<ul>\n<li><strong>\u8cc7\u6599\u5b8c\u6574\u6027\uff1a<\/strong>\u5f37\u5236\u57f7\u884c\u53c3\u8003\u5b8c\u6574\u6027\uff0c\u53ef\u9632\u6b62\u5b64\u7acb\u8a18\u9304\u7684\u7522\u751f\u3002<\/li>\n<li><strong>\u5132\u5b58\u6548\u7387\uff1a<\/strong>\u79fb\u9664\u91cd\u8907\u8cc7\u6599\u53ef\u7bc0\u7701\u78c1\u789f\u7a7a\u9593\u3002<\/li>\n<li><strong>\u53ef\u7dad\u8b77\u6027\uff1a<\/strong>\u5728\u898f\u7bc4\u5316\u7684\u8cc7\u6599\u8868\u4e2d\u66f4\u65b0\u55ae\u4e00\u8a18\u9304\uff0c\u6703\u5728\u908f\u8f2f\u4e0a\u65bc\u6240\u6709\u5730\u65b9\u66f4\u65b0\u8a72\u8a18\u9304\u3002<\/li>\n<li><strong>\u67e5\u8a62\u53ef\u9810\u6e2c\u6027\uff1a<\/strong>\u6a19\u6e96\u5316\u7684\u7d50\u69cb\u4f7f\u64b0\u5beb\u67e5\u8a62\u6642\u66f4\u4e0d\u5bb9\u6613\u51fa\u932f\u3002<\/li>\n<\/ul>\n<p>\u5728\u6b64\u8f49\u63db\u671f\u9593\uff0c\u60a8\u5fc5\u9808\u91cd\u69cb\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u3002\u4e00\u500b\u5e73\u9762\u7684\u4f7f\u7528\u8005\u8cc7\u6599\u8868\u53ef\u80fd\u6703\u88ab\u62c6\u5206\u70ba<code>\u4f7f\u7528\u8005<\/code> \u548c <code>\u4f7f\u7528\u8005\u8a73\u7d30\u8cc7\u6599<\/code>\u3002\u9019\u6703\u5f15\u5165\u95dc\u4fc2\u3002\u60a8\u5fc5\u9808\u660e\u78ba\u5b9a\u7fa9\u9019\u4e9b\u95dc\u4fc2\u662f\u4e00\u5c0d\u4e00\u3001\u4e00\u5c0d\u591a\uff0c\u9084\u662f\u591a\u5c0d\u591a\u3002<\/p>\n<h3>\u8f49\u63db\u6e05\u55ae<\/h3>\n<ul>\n<li>\u8b58\u5225\u6240\u6709\u8de8\u8cc7\u6599\u8868\u7684\u91cd\u8907\u6b04\u4f4d\u3002<\/li>\n<li>\u70ba\u6240\u6709\u5be6\u9ad4\u5b9a\u7fa9\u4e3b\u9375\u3002<\/li>\n<li>\u5be6\u4f5c\u5916\u9375\u7d04\u675f\u4ee5\u5f37\u5236\u57f7\u884c\u95dc\u4fc2\u3002<\/li>\n<li>\u6aa2\u8996\u73fe\u6709\u67e5\u8a62\uff0c\u8a55\u4f30\u65b0\u9023\u63a5\u5c0d\u6548\u80fd\u7684\u5f71\u97ff\u3002<\/li>\n<li>\u5728\u9077\u79fb\u671f\u9593\u898f\u5283\u5411\u5f8c\u76f8\u5bb9\u6027\u3002<\/li>\n<\/ul>\n<h2>\u7b2c\u4e09\u968e\u6bb5\uff1a\u64f4\u5c55\u968e\u6bb5\uff08\u6548\u80fd\uff09\u26a1<\/h2>\n<p>\u7576\u5b58\u5728\u6578\u767e\u842c\u7b46\u8a18\u9304\u6642\uff0c\u898f\u7bc4\u5316\u7d50\u69cb\u53ef\u80fd\u6210\u70ba\u74f6\u9838\u3002\u5728\u898f\u6a21\u64f4\u5927\u6642\uff0c\u9023\u63a5\u904b\u7b97\u6210\u672c\u9ad8\u6602\u3002\u6b64\u6642\u6a21\u578b\u6703\u518d\u6b21\u6f14\u9032\uff0c\u901a\u5e38\u6703\u5f9e\u56b4\u683c\u7684\u898f\u7bc4\u5316\u8f49\u5411\u7b56\u7565\u6027\u53bb\u898f\u7bc4\u5316\u4ee5\u63d0\u5347\u6548\u80fd\u3002<\/p>\n<h3>\u7b56\u7565\u6027\u53bb\u898f\u7bc4\u5316<\/h3>\n<p>\u9019\u4e26\u975e\u56de\u6b78\u5230MVP\u968e\u6bb5\u3002\u800c\u662f\u4e00\u9805\u7d93\u904e\u8a08\u7b97\u7684\u6c7a\u7b56\u3002\u60a8\u6703\u523b\u610f\u91cd\u8907\u8cc7\u6599\uff0c\u4ee5\u907f\u514d\u5728\u5927\u578b\u8cc7\u6599\u8868\u4e0a\u9032\u884c\u6210\u672c\u9ad8\u6602\u7684\u9023\u63a5\u904b\u7b97\u3002<\/p>\n<ul>\n<li><strong>\u4ee5\u8b80\u53d6\u70ba\u4e3b\u7684\u5de5\u4f5c\u8ca0\u8f09\uff1a<\/strong> \u5982\u679c\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u4e3b\u8981\u4ee5\u8b80\u53d6\u70ba\u4e3b\uff0c\u5c07\u8cc7\u6599\u5feb\u53d6\u5728\u7d50\u69cb\u4e2d\u53ef\u964d\u4f4e\u8cc7\u6599\u5eab\u8ca0\u8f09\u3002<\/li>\n<li><strong>\u5831\u8868\u8cc7\u6599\u8868\uff1a<\/strong> \u70ba\u5100\u8868\u677f\u9810\u5148\u805a\u5408\u7684\u8cc7\u6599\u53ef\u907f\u514d\u5373\u6642\u8a08\u7b97\u7e3d\u548c\u3002<\/li>\n<li><strong>\u5206\u5272\uff1a<\/strong> \u6309\u65e5\u671f\u6216\u5730\u5340\u5206\u5272\u8cc7\u6599\u8868\uff0c\u9700\u8981\u7279\u5b9a\u7684\u7d50\u69cb\u8a2d\u8a08\uff0c\u4ee5\u78ba\u4fdd\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h4>\u5c0d\u6bd4\uff1a\u898f\u7bc4\u5316 vs. \u512a\u5316<\/h4>\n<table>\n<thead>\n<tr>\n<th>\u529f\u80fd<\/th>\n<th>\u898f\u7bc4\u5316\uff08\u7b2c\u4e8c\u968e\u6bb5\uff09<\/th>\n<th>\u512a\u5316\uff08\u7b2c\u4e09\u968e\u6bb5\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5b8c\u6574\u6027<\/td>\n<td>\u9ad8\uff08\u7531\u8cc7\u6599\u5eab\u5f37\u5236\u57f7\u884c\uff09<\/td>\n<td>\u7531\u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\u7ba1\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u5beb\u5165\u901f\u5ea6<\/td>\n<td>\u5feb\u901f<\/td>\n<td>\u8f03\u6162\uff08\u66f4\u65b0\u591a\u500b\u8cc7\u6599\u8868\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8b80\u53d6\u901f\u5ea6<\/td>\n<td>\u8f03\u6162\uff08\u9700\u8981\u9023\u63a5\uff09<\/td>\n<td>\u5feb\u901f\uff08\u55ae\u4e00\u67e5\u8a62\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5132\u5b58\u7a7a\u9593<\/td>\n<td>\u9ad8\u6548<\/td>\n<td>\u6548\u7387\u8f03\u4f4e\uff08\u5197\u9918\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u7b2c\u56db\u968e\u6bb5\uff1a\u8907\u96dc\u6027\u968e\u6bb5\uff08\u67b6\u69cb\uff09 \ud83c\udfdb\ufe0f<\/h2>\n<p>\u5728\u4f01\u696d\u7d1a\u5225\uff0c\u55ae\u4e00\u8cc7\u6599\u5eab\u6a21\u578b\u901a\u5e38\u4e0d\u5920\u7528\u3002\u7cfb\u7d71\u53ef\u80fd\u62c6\u5206\u6210\u5fae\u670d\u52d9\uff0c\u6216\u4f7f\u7528\u591a\u8a9e\u8a00\u6301\u4e45\u5316\u3002ERD\u4e0d\u518d\u4ee3\u8868\u55ae\u4e00\u7684\u7269\u7406\u5716\u793a\uff0c\u800c\u662f\u4e00\u7d44\u76f8\u4e92\u6e9d\u901a\u7684\u6a21\u578b\u96c6\u5408\u3002<\/p>\n<h3>\u5fae\u670d\u52d9\u8207\u8cc7\u6599\u6240\u6709\u6b0a<\/h3>\n<p>\u5728\u55ae\u9ad4\u67b6\u69cb\u4e2d\uff0c<code>\u8a02\u55ae<\/code>\u8cc7\u6599\u8868\u7531\u8a08\u8cbb\u3001\u904b\u9001\u548c\u901a\u77e5\u670d\u52d9\u5171\u7528\u3002\u5728\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6bcf\u500b\u670d\u52d9\u64c1\u6709\u5176\u8cc7\u6599\u3002\u9019\u9700\u8981\u6539\u8b8a\u4f60\u5efa\u6a21\u95dc\u4fc2\u7684\u65b9\u5f0f\u3002<\/p>\n<ul>\n<li><strong>\u6700\u7d42\u4e00\u81f4\u6027\uff1a<\/strong>\u4f60\u7121\u6cd5\u4f9d\u8cf4\u8de8\u670d\u52d9\u7684ACID\u4ea4\u6613\u3002ERD\u5fc5\u9808\u8003\u616e\u72c0\u614b\u540c\u6b65\u3002<\/li>\n<li><strong>API\u5408\u7d04\uff1a<\/strong>\u95dc\u4fc2\u901a\u5e38\u7531API\u56de\u61c9\u5b9a\u7fa9\uff0c\u800c\u975e\u5916\u9375\u3002<\/li>\n<li><strong>\u8cc7\u6599\u540c\u6b65\uff1a<\/strong>\u9700\u8981\u5de5\u5177\u4f86\u7dad\u6301\u4e0d\u540c\u8cc7\u6599\u5132\u5b58\u7a7a\u9593\u4e4b\u9593\u7684\u8cc7\u6599\u4e00\u81f4\u6027\uff08\u4f8b\u5982\uff0c\u8a02\u55ae\u4f7f\u7528SQL\uff0c\u65e5\u8a8c\u4f7f\u7528NoSQL\uff09\u3002<\/li>\n<\/ul>\n<h3>\u591a\u8a9e\u8a00\u6301\u4e45\u5316<\/h3>\n<p>\u4e0d\u540c\u7684\u8cc7\u6599\u9700\u8981\u4e0d\u540c\u7684\u5132\u5b58\u5f15\u64ce\u3002ERD\u6f14\u9032\u70ba\u5305\u542b\u975e\u95dc\u806f\u6027\u6982\u5ff5\u3002<\/p>\n<ul>\n<li><strong>\u5716\u5f62\u8cc7\u6599\uff1a<\/strong>\u5c0d\u65bc\u793e\u4ea4\u7db2\u8def\u6216\u63a8\u85a6\u5f15\u64ce\uff0c\u5716\u5f62\u6a21\u578b\u53d6\u4ee3\u95dc\u806f\u5f0f\u8cc7\u6599\u8868\u3002<\/li>\n<li><strong>\u6587\u4ef6\u5132\u5b58\uff1a<\/strong>\u5c0d\u65bc\u5f48\u6027\u5167\u5bb9\uff0c\u5982\u7522\u54c1\u76ee\u9304\uff0cJSON\u6587\u4ef6\u53d6\u4ee3\u50f5\u786c\u7684\u6b04\u4f4d\u3002<\/li>\n<li><strong>\u9375\u503c\u5132\u5b58\uff1a<\/strong> \u7528\u65bc\u6703\u8a71\u7ba1\u7406\u548c\u5feb\u53d6\uff0c\u7c21\u55ae\u7684\u9375\u503c\u5c0d\u53d6\u4ee3\u4e86\u8907\u96dc\u7684\u8cc7\u6599\u5217\u3002<\/li>\n<\/ul>\n<h2>\u6280\u8853\u6df1\u5165\u63a2\u8a0e\uff1a\u8cc7\u6599\u5eab\u898f\u7bc4\u5316\u5c64\u7d1a \ud83d\udd2c<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u767c\u5c55\u4f60\u7684\u6a21\u578b\uff0c\u4f60\u5fc5\u9808\u7406\u89e3\u4f60\u6b63\u5728\u9075\u5faa\u6216\u9055\u53cd\u7684\u898f\u5247\u3002\u898f\u7bc4\u5316\u662f\u7d44\u7e54\u8cc7\u6599\u4ee5\u6e1b\u5c11\u5197\u9918\u7684\u904e\u7a0b\u3002<\/p>\n<h3>\u7b2c\u4e00\u7bc4\u5f0f (1NF)<\/h3>\n<ul>\n<li>\u539f\u5b50\u503c\uff1a\u6bcf\u500b\u6b04\u4f4d\u50c5\u5305\u542b\u4e00\u500b\u503c\u3002<\/li>\n<li>\u7121\u91cd\u8907\u7fa4\u7d44\uff1a\u4f60\u4e0d\u80fd\u6709\u985e\u4f3c\u4ee5\u4e0b\u7684\u6b04\u4f4d<code>color1<\/code>, <code>color2<\/code>, <code>color3<\/code>.<\/li>\n<li>\u552f\u4e00\u8b58\u5225\u7b26\uff1a\u6bcf\u4e00\u5217\u90fd\u5fc5\u9808\u80fd\u88ab\u552f\u4e00\u8b58\u5225\u3002<\/li>\n<\/ul>\n<h3>\u7b2c\u4e8c\u7bc4\u5f0f (2NF)<\/h3>\n<ul>\n<li>\u5fc5\u9808\u7b26\u5408 1NF\u3002<\/li>\n<li>\u6240\u6709\u975e\u9375\u5c6c\u6027\u90fd\u5fc5\u9808\u5b8c\u5168\u4f9d\u8cf4\u65bc\u4e3b\u9375\u3002<\/li>\n<li>\u6d88\u9664\u90e8\u5206\u4f9d\u8cf4\uff08\u4f8b\u5982\uff0c\u82e5\u4f9b\u61c9\u5546\u8cc7\u8a0a\u50c5\u4f9d\u8cf4\u65bc\u4f9b\u61c9\u5546 ID \u800c\u975e\u8a02\u55ae ID\uff0c\u5247\u5c07\u5176\u79fb\u81f3\u7368\u7acb\u7684\u8cc7\u6599\u8868\uff09\u3002<\/li>\n<\/ul>\n<h3>\u7b2c\u4e09\u7bc4\u5f0f (3NF)<\/h3>\n<ul>\n<li>\u5fc5\u9808\u7b26\u5408 2NF\u3002<\/li>\n<li>\u6d88\u9664\u50b3\u905e\u4f9d\u8cf4\u3002<\/li>\n<li>\u6b04\u4f4d\u4e0d\u80fd\u4f9d\u8cf4\u65bc\u53e6\u4e00\u500b\u975e\u9375\u6b04\u4f4d\uff08\u4f8b\u5982\uff0c<code>City<\/code> \u4f9d\u8cf4\u65bc <code>State<\/code>\uff0c\u800c\u4e0d\u50c5\u50c5\u662f <code>Zip Code<\/code>\uff09\u3002\u5c07 <code>City<\/code> \u548c <code>State<\/code> \u5230\u4e00\u500b <code>\u4f4d\u7f6e<\/code> \u8868\u3002<\/li>\n<\/ul>\n<h2>ERD\u6f14\u9032\u4e2d\u7684\u5e38\u898b\u9677\u9631 \u26a0\ufe0f<\/h2>\n<p>\u5373\u4f7f\u7d93\u9a57\u8c50\u5bcc\u7684\u5718\u968a\u5728\u91cd\u69cb\u6a21\u578b\u6642\u4e5f\u6703\u72af\u932f\u3002\u8b58\u5225\u9019\u4e9b\u6a21\u5f0f\u6709\u52a9\u65bc\u907f\u514d\u9ad8\u6602\u7684\u505c\u6a5f\u6210\u672c\u3002<\/p>\n<h3>1. \u300c\u5927\u7206\u70b8\u300d\u9077\u79fb<\/h3>\n<p>\u8a66\u5716\u5728\u4e00\u6b21\u90e8\u7f72\u4e2d\u66f4\u6539\u6574\u500b\u67b6\u69cb\u3002\u9019\u5177\u6709\u5f88\u9ad8\u7684\u98a8\u96aa\u3002\u5982\u679c\u9077\u79fb\u8173\u672c\u5931\u6557\uff0c\u7cfb\u7d71\u5c07\u7121\u6cd5\u904b\u4f5c\u3002<\/p>\n<ul>\n<li><strong>\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong> \u4f7f\u7528\u9010\u6b65\u9077\u79fb\u3002\u65b0\u589e\u6b04\u4f4d\uff0c\u586b\u5165\u8cc7\u6599\uff0c\u5207\u63db\u908f\u8f2f\uff0c\u7136\u5f8c\u79fb\u9664\u820a\u7684\u6b04\u4f4d\u3002<\/li>\n<\/ul>\n<h3>2. \u5ffd\u7565\u7d22\u5f15\u5f71\u97ff<\/h3>\n<p>\u66f4\u6539\u95dc\u4fc2\u6703\u6539\u8b8a\u67e5\u8a62\u6a21\u5f0f\u3002\u65b0\u7684\u5916\u9375\u95dc\u4fc2\u53ef\u80fd\u9700\u8981\u65b0\u589e\u7d22\u5f15\u624d\u80fd\u826f\u597d\u904b\u4f5c\u3002<\/p>\n<ul>\n<li><strong>\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong> \u5728\u67b6\u69cb\u8b8a\u66f4\u524d\u5f8c\u5206\u6790\u6162\u67e5\u8a62\u65e5\u8a8c\u3002<\/li>\n<li><strong>\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong> \u5728\u975e\u9ad8\u5cf0\u6642\u6bb5\u898f\u5283\u7d22\u5f15\u5efa\u7acb\u3002<\/li>\n<\/ul>\n<h3>3. \u5728\u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\u4e2d\u786c\u7de8\u78bc\u7d04\u675f<\/h3>\n<p>\u6709\u4e9b\u5718\u968a\u504f\u597d\u5728\u7a0b\u5f0f\u78bc\u4e2d\u9a57\u8b49\u8cc7\u6599\uff0c\u800c\u975e\u8cc7\u6599\u5eab\u4e2d\u3002\u5982\u679c\u591a\u500b\u670d\u52d9\u5beb\u5165\u540c\u4e00\u500b\u5132\u5b58\u4f4d\u7f6e\uff0c\u5c07\u5c0e\u81f4\u8cc7\u6599\u640d\u58de\u3002<\/p>\n<ul>\n<li><strong>\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong> \u5373\u4f7f\u61c9\u7528\u7a0b\u5f0f\u662f\u5206\u6563\u5f0f\u7684\uff0c\u4e5f\u61c9\u5c07\u7d04\u675f\u4fdd\u7559\u5728\u8cc7\u6599\u5eab\u5c64\uff08NOT NULL\u3001CHECK \u7d04\u675f\uff09\u3002<\/li>\n<\/ul>\n<h2>\u9077\u79fb\u7b56\u7565 \ud83d\udd04<\/h2>\n<p>\u7576\u4f60\u5fc5\u9808\u6f14\u9032ERD\u6642\uff0c\u9700\u8981\u4e00\u7a2e\u80fd\u6700\u5c0f\u5316\u505c\u6a5f\u6642\u9593\u548c\u8cc7\u6599\u640d\u5931\u7684\u7b56\u7565\u3002<\/p>\n<h3>\u64f4\u5c55\u8207\u6536\u7e2e\u6a21\u5f0f<\/h3>\n<p>\u9019\u662f\u5b89\u5168\u67b6\u69cb\u6f14\u9032\u7684\u9ec3\u91d1\u6a19\u6e96\u3002<\/p>\n<ol>\n<li><strong>\u65b0\u589e\uff1a<\/strong> \u5c07\u65b0\u7684\u6b04\u4f4d\u6216\u8868\u683c\u52a0\u5165\u67b6\u69cb\u4e2d\u3002\u76ee\u524d\u4e0d\u8981\u66f4\u6539\u73fe\u6709\u7684\u908f\u8f2f\u3002<\/li>\n<li><strong>\u5beb\u5165\uff1a<\/strong> \u66f4\u65b0\u61c9\u7528\u7a0b\u5f0f\uff0c\u4f7f\u5176\u540c\u6642\u5beb\u5165\u820a\u7d50\u69cb\u548c\u65b0\u7d50\u69cb\u3002<\/li>\n<li><strong>\u8b80\u53d6\uff1a<\/strong> \u66f4\u65b0\u61c9\u7528\u7a0b\u5f0f\uff0c\u4f7f\u5176\u5f9e\u65b0\u7d50\u69cb\u8b80\u53d6\u3002<\/li>\n<li><strong>\u88dc\u586b\uff1a<\/strong> 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