{"id":93,"date":"2026-04-02T21:22:07","date_gmt":"2026-04-02T21:22:07","guid":{"rendered":"https:\/\/www.we-notes.com\/tw\/er-diagrams-agile-obsolete-myth-buster\/"},"modified":"2026-04-02T21:22:07","modified_gmt":"2026-04-02T21:22:07","slug":"er-diagrams-agile-obsolete-myth-buster","status":"publish","type":"post","link":"https:\/\/www.we-notes.com\/tw\/er-diagrams-agile-obsolete-myth-buster\/","title":{"rendered":"\u7834\u9664\u8ff7\u601d\uff1aER\u5716\u5728\u654f\u6377\u6642\u4ee3\u771f\u7684\u6703\u904e\u6642\u55ce\uff1f"},"content":{"rendered":"<p>\u8edf\u9ad4\u958b\u767c\u5728\u904e\u53bb\u5e7e\u5341\u5e74\u4e2d\u5df2\u767c\u751f\u986f\u8457\u6f14\u8b8a\u3002\u5f9e\u50f5\u5316\u7684\u7011\u5e03\u5f0f\u65b9\u6cd5\u8f49\u5411\u9748\u6d3b\u7684\u654f\u6377\u6846\u67b6\uff0c\u6539\u8b8a\u4e86\u5718\u968a\u5efa\u69cb\u7522\u54c1\u7684\u65b9\u5f0f\u3002\u7531\u65bc\u91cd\u8996\u901f\u5ea6\u3001\u8fed\u4ee3\u548c\u5ba2\u6236\u53cd\u994b\uff0c\u6587\u4ef6\u7de8\u5beb\u5f80\u5f80\u88ab\u4ee3\u78bc\u958b\u767c\u6240\u53d6\u4ee3\u3002\u9019\u7a2e\u8f49\u8b8a\u5f15\u767c\u4e86\u4e00\u5834\u8faf\u8ad6\uff1a<strong>\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u9084\u6709\u5fc5\u8981\u55ce\uff1f<\/strong>\u6709\u4e9b\u4eba\u8a8d\u70ba\uff0c\u5728\u5feb\u901f\u8b8a\u5316\u7684\u654f\u6377\u74b0\u5883\u4e2d\uff0c\u7e6a\u88fd\u8907\u96dc\u7684\u5716\u8868\u6703\u62d6\u6162\u9032\u5ea6\u3002\u53e6\u4e00\u4e9b\u4eba\u5247\u5805\u6301\uff0c\u82e5\u6c92\u6709\u7a69\u56fa\u7684\u8cc7\u6599\u6a21\u578b\uff0c\u4efb\u4f55\u61c9\u7528\u7a0b\u5f0f\u7684\u57fa\u790e\u90fd\u6703\u5d29\u6f70\u3002<\/p>\n<p>\u672c\u6587\u5c07\u63a2\u8a0e\u9019\u4e00\u5e38\u898b\u8ff7\u601d\u80cc\u5f8c\u7684\u771f\u76f8\u3002\u6211\u5011\u5c07\u5206\u6790\u70ba\u4f55\u8cc7\u6599\u6a21\u578b\u4ecd\u7136\u81f3\u95dc\u91cd\u8981\uff0c\u5b83\u5982\u4f55\u878d\u5165\u8fed\u4ee3\u9031\u671f\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u4e0d\u72a7\u7272\u901f\u5ea6\u7684\u60c5\u6cc1\u4e0b\u7dad\u6301\u7d50\u69cb\u3002\ud83d\ude80<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn whiteboard infographic debunking the myth that Entity Relationship Diagrams are obsolete in Agile development, featuring key benefits including improved team communication, reduced technical debt, data integrity, and performance optimization, plus practical integration strategies like iterative modeling, diagrams-as-code, and collaborative sprint planning.\" decoding=\"async\" src=\"https:\/\/www.we-notes.com\/wp-content\/uploads\/2026\/04\/er-diagrams-agile-myth-buster-whiteboard-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\u7406\u89e3\u6838\u5fc3\u885d\u7a81 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\ud83d\udc80<\/h2>\n<p>\u8a8d\u70baERD\u5df2\u904e\u6642\u7684\u89c0\u9ede\u6e90\u65bc\u5c0d\u6548\u7387\u7684\u5408\u7406\u64d4\u6182\u3002\u5728\u73fe\u4ee3\u958b\u767c\u74b0\u5883\u4e2d\uff0c\u5718\u968a\u901a\u5e38\u66f4\u91cd\u8996\u901f\u5ea6\u3002\u4ee5\u4e0b\u662f\u91dd\u5c0d\u50b3\u7d71ERD\u5275\u5efa\u5e38\u898b\u7684\u53cd\u5c0d\u8ad6\u9ede\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u4ea4\u4ed8\u901f\u5ea6\uff1a<\/strong>\u7e6a\u88fd\u8a73\u7d30\u7684\u5716\u8868\u9700\u8981\u6642\u9593\u3002\u958b\u767c\u4eba\u54e1\u66f4\u9858\u610f\u7acb\u5373\u64b0\u5beb\u7a0b\u5f0f\u78bc\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8cc7\u6599\u5eab\u62bd\u8c61\uff1a<\/strong>ORM\uff08\u7269\u4ef6-\u95dc\u806f\u6620\u5c04\uff09\u53ef\u8b93\u7a0b\u5f0f\u78bc\u81ea\u52d5\u5b9a\u7fa9\u7d50\u69cb\u3002\u6709\u4e9b\u4eba\u8a8d\u70ba\u7a0b\u5f0f\u78bc\u624d\u662f\u771f\u5be6\u4f86\u6e90\uff0c\u800c\u975e\u5716\u8868\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7d50\u69cb\u9077\u79fb\uff1a<\/strong>\u5de5\u5177\u53ef\u81ea\u52d5\u4fee\u6539\u8cc7\u6599\u5eab\u7d50\u69cb\u3002\u4eba\u5011\u8a8d\u70ba\u624b\u52d5\u5efa\u6a21\u5df2\u7121\u5fc5\u8981\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9700\u6c42\u8b8a\u66f4\uff1a<\/strong>\u5982\u679c\u7522\u54c1\u65b9\u5411\u8f49\u8b8a\uff0c\u6700\u521d\u5efa\u7acb\u7684\u5716\u8868\u5c31\u6beb\u7121\u7528\u8655\u3002\u7dad\u8b77\u5b83\u611f\u89ba\u50cf\u662f\u6d6a\u8cbb\u7cbe\u529b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8907\u96dc\u6027\uff1a<\/strong>ERD\u5c0d\u5927\u578b\u7cfb\u7d71\u800c\u8a00\u53ef\u80fd\u8b8a\u5f97\u4ee4\u4eba\u4e0d\u582a\u8ca0\u8377\u3002\u975e\u6280\u8853\u76f8\u95dc\u4eba\u54e1\u96e3\u4ee5\u95b1\u8b80\u8207\u7dad\u8b77\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u96d6\u7136\u9019\u4e9b\u89c0\u9ede\u7a81\u986f\u4e86\u771f\u5be6\u7684\u6311\u6230\uff0c\u4f46\u5b83\u5011\u53cd\u6620\u51fa\u5c0d\u8fed\u4ee3\u74b0\u5883\u4e2d\u8cc7\u6599\u6a21\u578b\u61c9\u5982\u4f55\u904b\u4f5c\u7684\u8aa4\u89e3\u3002\u5b83\u5011\u6697\u793aERD\u662f\u975c\u614b\u7684\u7522\u7269\uff0c\u800c\u975e\u6d3b\u8e8d\u7684\u5de5\u5177\u3002<\/p>\n<h2>\u73fe\u5be6\u60c5\u6cc1\uff1a\u70ba\u4f55ERD\u4ecd\u7136\u81f3\u95dc\u91cd\u8981 \u2705<\/h2>\n<p>\u8cc7\u6599\u5e7e\u4e4e\u662f\u6bcf\u4e00\u500b\u8edf\u9ad4\u61c9\u7528\u7684\u9aa8\u5e79\u3002\u7121\u8ad6\u662f\u7c21\u55ae\u7684\u90e8\u843d\u683c\u9084\u662f\u8907\u96dc\u7684\u91d1\u878d\u5e73\u53f0\uff0c\u8cc7\u6599\u5132\u5b58\u65b9\u5f0f\u90fd\u6703\u5f71\u97ff\u6548\u80fd\u3001\u53ef\u64f4\u5c55\u6027\u8207\u53ef\u7dad\u8b77\u6027\u3002\u4ee5\u4e0b\u662fERD\u4ecd\u4e0d\u53ef\u6216\u7f3a\u7684\u539f\u56e0\u3002<\/p>\n<h3>1. \u6e9d\u901a\u8207\u5171\u8b58 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\u9810\u9632\u6280\u8853\u50b5\u52d9 \ud83c\udfd7\ufe0f<\/h3>\n<p>\u7576\u4f60\u8df3\u904e\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08\uff0c\u76f4\u63a5\u5728\u7a0b\u5f0f\u78bc\u4e0a\u958b\u767c\u6642\uff0c\u5f80\u5f80\u6703\u5728\u8cc7\u6599\u8868\u4e4b\u9593\u7522\u751f\u7dca\u5bc6\u8026\u5408\u3002\u9019\u6703\u5c0e\u81f4\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u53cd\u898f\u7bc4\u5316\u554f\u984c\uff1a<\/strong>\u8cc7\u6599\u91cd\u8907\uff0c\u4f7f\u66f4\u65b0\u8b8a\u5f97\u56f0\u96e3\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9023\u63a5\u8907\u96dc\u5ea6\uff1a<\/strong>\u67e5\u8a62\u8b8a\u5f97\u7de9\u6162\u4e14\u96e3\u4ee5\u512a\u5316\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u91cd\u69cb\u6210\u672c\uff1a<\/strong>\u5f8c\u671f\u66f4\u6539\u8cc7\u6599\u7d50\u69cb\u9700\u8981\u9f90\u5927\u7684\u9077\u79fb\u8173\u672c\u3002<\/p>\n<\/li>\n<\/ul>\n<p>ERD \u6709\u52a9\u65bc\u53ca\u65e9\u8b58\u5225\u9019\u4e9b\u7d50\u69cb\u6027\u554f\u984c\u3002\u5b83\u8feb\u4f7f\u5718\u968a\u5728\u5be6\u65bd\u4e4b\u524d\u5c31\u8003\u616e\u8cc7\u6599\u5eab\u898f\u7bc4\u5316\u548c\u5b8c\u6574\u6027\u7d04\u675f\u3002<\/p>\n<h3>3. \u8cc7\u6599\u5b8c\u6574\u6027\u8207\u5b89\u5168\u6027 \ud83d\udd12<\/h3>\n<p>\u654f\u6377\u4e26\u4e0d\u4ee3\u8868\u8df3\u904e\u54c1\u8cea\u3002\u8cc7\u6599\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002ERD \u5b9a\u7fa9\u4e86\u5916\u9375\u548c\u552f\u4e00\u7d22\u5f15\u7b49\u7d04\u675f\u3002\u9019\u4e9b\u7d04\u675f\u53ef\u9632\u6b62\u932f\u8aa4\u8cc7\u6599\u9032\u5165\u7cfb\u7d71\u3002\u82e5\u7121\u660e\u78ba\u7684\u6a21\u578b\uff0c\u5f88\u5bb9\u6613\u5141\u8a31\u4e0d\u4e00\u81f4\u7684\u72c0\u614b\uff0c\u5f9e\u800c\u7834\u58de\u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\u3002<\/p>\n<h3>4. \u6027\u80fd\u512a\u5316 \u26a1<\/h3>\n<p>\u8cc7\u6599\u5eab\u6027\u80fd\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d7\u7d50\u69cb\u5f71\u97ff\u3002\u7d22\u5f15\u7b56\u7565\u53d6\u6c7a\u65bc\u8cc7\u6599\u8868\u4e4b\u9593\u7684\u95dc\u806f\u65b9\u5f0f\u3002ERD \u5354\u52a9\u958b\u767c\u4eba\u54e1\u898f\u5283\u7d22\u5f15\u9700\u6c42\uff0c\u4f7f\u4ed6\u5011\u80fd\u5920\u9810\u6e2c\u67e5\u8a62\u6a21\u5f0f\uff0c\u4e26\u8a2d\u8a08\u51fa\u80fd\u6709\u6548\u652f\u63f4\u9019\u4e9b\u6a21\u5f0f\u7684\u8cc7\u6599\u7d50\u69cb\u3002<\/p>\n<h2>\u5c07 ERD \u7d0d\u5165\u654f\u6377\u5de5\u4f5c\u6d41\u7a0b \ud83c\udfc3<\/h2>\n<p>\u56e0\u6b64\uff0c\u82e5 ERD \u81f3\u95dc\u91cd\u8981\uff0c\u6211\u5011\u8a72\u5982\u4f55\u4f7f\u7528\u5b83\u5011\u800c\u4e0d\u6703\u62d6\u6162\u654f\u6377\u5718\u968a\uff1f\u95dc\u9375\u5728\u65bc\u6539\u8b8a <em>\u5982\u4f55<\/em>\u4f60\u5efa\u7acb\u548c\u7dad\u8b77\u5b83\u5011\u7684\u65b9\u5f0f\u3002\u5b83\u5011\u4e0d\u61c9\u662f\u5927\u578b\u7684\u524d\u671f\u8a2d\u8a08\u968e\u6bb5\uff0c\u800c\u61c9\u662f\u5373\u6642\u4e14\u6301\u7e8c\u6f14\u9032\u7684\u3002<\/p>\n<h3>1. \u5f9e\u5c0f\u8655\u8457\u624b\uff0c\u983b\u7e41\u8fed\u4ee3 \ud83d\udd04<\/h3>\n<p>\u4e0d\u8981\u8a66\u5716\u4e00\u6b21\u5efa\u6a21\u6574\u500b\u7cfb\u7d71\u3002\u70ba\u7576\u524d\u8fed\u4ee3\u5efa\u7acb\u9ad8\u968e ERD\uff0c\u5c08\u6ce8\u65bc\u5be6\u73fe\u5373\u6642\u529f\u80fd\u6240\u9700\u7684\u95dc\u9375\u5be6\u9ad4\u3002\u96a8\u8457\u529f\u80fd\u64f4\u5c55\uff0c\u518d\u66f4\u65b0\u5716\u8868\u3002\u9019\u6a23\u53ef\u78ba\u4fdd\u6587\u4ef6\u4fdd\u6301\u76f8\u95dc\u6027\uff0c\u800c\u7121\u9700\u6295\u5165\u5927\u91cf\u524d\u671f\u5de5\u4f5c\u3002<\/p>\n<h3>2. \u5c07\u5716\u8868\u8996\u70ba\u7a0b\u5f0f\u78bc \ud83d\udcdd<\/h3>\n<p>\u8207\u539f\u59cb\u7a0b\u5f0f\u78bc\u4e00\u6a23\uff0c\u5716\u8868\u5b9a\u7fa9\u4e5f\u53ef\u4ee5\u9032\u884c\u7248\u672c\u63a7\u5236\u3002\u5c07\u8cc7\u6599\u7d50\u69cb\u5b9a\u7fa9\u5132\u5b58\u5728\u6587\u5b57\u6a94\u4e2d\uff0c\u6216\u4f7f\u7528\u5f9e\u7a0b\u5f0f\u78bc\u751f\u6210\u5716\u8868\u7684\u5de5\u5177\u3002\u9019\u53ef\u78ba\u4fdd\u5716\u8868\u8207\u5be6\u969b\u8cc7\u6599\u5eab\u7d50\u69cb\u4fdd\u6301\u540c\u6b65\u3002\u82e5\u7a0b\u5f0f\u78bc\u8b8a\u66f4\uff0c\u5716\u8868\u751f\u6210\u6d41\u7a0b\u6703\u81ea\u52d5\u66f4\u65b0\u8996\u89ba\u5448\u73fe\u3002<\/p>\n<h3>3. \u5354\u4f5c\u5efa\u6a21 \ud83d\udc65<\/h3>\n<p>\u8b93\u6574\u500b\u5718\u968a\u53c3\u8207\u5efa\u6a21\u904e\u7a0b\u3002\u958b\u767c\u4eba\u54e1\u3001\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u548c\u7522\u54c1\u7d93\u7406\u61c9\u5728\u8fed\u4ee3\u898f\u5283\u671f\u9593\u5171\u540c\u5be9\u67e5\u5716\u8868\u3002\u9019\u53ef\u78ba\u4fdd\u6280\u8853\u9650\u5236\u88ab\u7406\u89e3\uff0c\u4e14\u5546\u696d\u898f\u5247\u88ab\u6e96\u78ba\u6355\u6349\u3002<\/p>\n<h3>4. \u5b9a\u7fa9\u754c\u9650 \ud83d\udea7<\/h3>\n<p>\u4f7f\u7528 ERD \u4f86\u5b9a\u7fa9\u7cfb\u7d71\u4e0d\u540c\u90e8\u5206\u4e4b\u9593\u7684\u660e\u78ba\u754c\u9650\u3002\u5728\u5fae\u670d\u52d9\u67b6\u69cb\u4e2d\uff0c\u8cc7\u6599\u6240\u6709\u6b0a\u81f3\u95dc\u91cd\u8981\u3002ERD \u6709\u52a9\u65bc\u8996\u89ba\u5316\u54ea\u500b\u670d\u52d9\u64c1\u6709\u54ea\u90e8\u5206\u8cc7\u6599\uff0c\u5f9e\u800c\u907f\u514d\u300c\u5206\u6563\u5f0f\u55ae\u9ad4\u300d\u554f\u984c\uff0c\u5373\u670d\u52d9\u4e4b\u9593\u904e\u5ea6\u7dca\u5bc6\u5730\u5171\u4eab\u8cc7\u6599\u5eab\u3002<\/p>\n<h2>\u5c0d\u6bd4\uff1a\u50b3\u7d71\u8207\u654f\u6377 ERD \u4f7f\u7528\u65b9\u5f0f \ud83d\udcca<\/h2>\n<p>\u70ba\u76f4\u89c0\u5448\u73fe\u5dee\u7570\uff0c\u4ee5\u4e0b\u70ba\u50b3\u7d71\u74b0\u5883\u8207\u73fe\u4ee3\u654f\u6377\u74b0\u5883\u4e2d ERD \u901a\u5e38\u8655\u7406\u65b9\u5f0f\u7684\u5c0d\u6bd4\u3002<\/p>\n<table style=\"min-width: 75px;\">\n<colgroup>\n<col style=\"min-width: 25px;\"\/>\n<col style=\"min-width: 25px;\"\/>\n<col style=\"min-width: 25px;\"\/><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">\n<p><strong>\u9762\u5411<\/strong><\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p><strong>\u50b3\u7d71\uff08\u7011\u5e03\u5f0f\uff09<\/strong><\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p><strong>\u654f\u6377\uff0f\u73fe\u4ee3<\/strong><\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p><strong>\u6642\u6a5f<\/strong><\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728\u5c08\u6848\u521d\u671f\u5efa\u7acb\u3002\u975c\u614b\u3002<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u8fed\u4ee3\u5f0f\u5efa\u7acb\u3002\u96a8\u8457\u8fed\u4ee3\u6301\u7e8c\u6f14\u9032\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p><strong>\u7d30\u7bc0\u5c64\u7d1a<\/strong><\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7d30\u7bc0\u8c50\u5bcc\uff0c\u6db5\u84cb\u5168\u9762\u3002<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u521d\u671f\u70ba\u9ad8\u968e\uff0c\u65bc\u9700\u8981\u6642\u624d\u8a73\u7d30\u5316\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p><strong>\u5de5\u5177<\/strong><\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u624b\u52d5\u7e6a\u88fd\uff0c\u901a\u5e38\u8207\u7a0b\u5f0f\u78bc\u5206\u96e2\u3002<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4ee5\u7a0b\u5f0f\u78bc\u70ba\u5c0e\u5411\uff0c\u7248\u672c\u63a7\u5236\uff0c\u81ea\u52d5\u5316\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p><strong>\u6240\u6709\u6b0a<\/strong><\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u901a\u5e38\u50c5\u7531\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u55ae\u7368\u8ca0\u8cac\u3002<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5718\u968a\u6210\u54e1\u5171\u540c\u627f\u64d4\u8cac\u4efb\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p><strong>\u66f4\u65b0<\/strong><\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u82e5\u4e0d\u5168\u9762\u91cd\u69cb\uff0c\u5f88\u96e3\u9032\u884c\u66f4\u65b0\u3002<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u96a8\u8457\u7a0b\u5f0f\u78bc\u8b8a\u66f4\u983b\u7e41\u66f4\u65b0\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p><strong>\u4e3b\u8981\u76ee\u6a19<\/strong><\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u7528\u65bc\u4ea4\u63a5\u7684\u6587\u4ef6\u3002<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6e9d\u901a\u8207\u7d50\u69cb\u6027\u6307\u5c0e\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5e38\u898b\u9677\u9631\uff0c\u61c9\u907f\u514d \u26a0\ufe0f<\/h2>\n<p>\u5373\u4f7f\u64c1\u6709\u6b63\u78ba\u7684\u5fc3\u614b\uff0c\u5718\u968a\u4ecd\u53ef\u80fd\u51fa\u932f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6703\u524a\u5f31ERD\u5728\u654f\u6377\u5718\u968a\u4e2d\u50f9\u503c\u7684\u5e38\u898b\u932f\u8aa4\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u904e\u5ea6\u5efa\u6a21\uff1a<\/strong> \u8a66\u5716\u9810\u6e2c\u6240\u6709\u672a\u4f86\u9700\u6c42\u3002\u9019\u6703\u5c0e\u81f4\u904e\u65bc\u81c3\u816b\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u96e3\u4ee5\u4fee\u6539\u3002\u61c9\u5c08\u6ce8\u65bc\u7576\u524d\u9700\u6c42\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5ffd\u7565\u8b8a\u66f4\uff1a<\/strong> \u66f4\u65b0\u7a0b\u5f0f\u78bc\u537b\u5fd8\u4e86\u66f4\u65b0\u5716\u8868\u3002\u9019\u6703\u9020\u6210\u8996\u89ba\u5448\u73fe\u8207\u73fe\u5be6\u812b\u7bc0\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7f3a\u4e4f\u6a19\u6e96\uff1a<\/strong> \u5982\u679c\u4e00\u500b\u5718\u968a\u7684\u8868\u683c\u547d\u540d\u65b9\u5f0f\u8207\u53e6\u4e00\u500b\u5718\u968a\u4e0d\u540c\uff0c\u6574\u5408\u5c07\u8b8a\u5f97\u5669\u5922\u822c\u56f0\u96e3\u3002\u61c9\u76e1\u65e9\u5efa\u7acb\u547d\u540d\u898f\u7bc4\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8df3\u904e\u95dc\u4fc2\uff1a<\/strong> \u53ea\u95dc\u6ce8\u8868\u683c\u548c\u6b04\u4f4d\uff0c\u537b\u5ffd\u7565\u5916\u9375\u3002\u9019\u6703\u932f\u904e\u5716\u8868\u4e2d\u6700\u91cd\u8981\u7684\u90e8\u5206\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b8c\u7f8e\u4e3b\u7fa9\uff1a<\/strong> \u7b49\u5f85\u5716\u8868\u300c\u5b8c\u7f8e\u300d\u5f8c\u624d\u958b\u59cb\u7de8\u78bc\u3002\u5728\u654f\u6377\u958b\u767c\u4e2d\uff0c\u5b8c\u6210\u6bd4\u5b8c\u7f8e\u66f4\u91cd\u8981\u3002\u5148\u8b93\u5b83\u904b\u4f5c\u8d77\u4f86\uff0c\u518d\u9010\u6b65\u512a\u5316\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u654f\u6377\u958b\u767c\u4e2d\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08\u7684\u6700\u4f73\u5be6\u52d9 \ud83d\udee0\ufe0f<\/h2>\n<p>\u70ba\u78ba\u4fdd\u4f60\u7684ERD\u80fd\u5e36\u4f86\u50f9\u503c\u800c\u975e\u963b\u7919\u9032\u5c55\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u5be6\u7528\u6307\u5357\u3002<\/p>\n<h3>1. \u4e00\u81f4\u5730\u4f7f\u7528\u547d\u540d\u898f\u7bc4 \ud83c\udff7\ufe0f<\/h3>\n<p>\u4e00\u81f4\u6027\u80fd\u964d\u4f4e\u8a8d\u77e5\u8ca0\u8377\u3002\u6c7a\u5b9a\u8868\u683c\u540d\u7a31\uff08\u4f8b\u5982\u55ae\u6578 vs. \u5fa9\u6578\uff09\u548c\u6b04\u4f4d\u540d\u7a31\uff08\u4f8b\u5982 snake_case vs. camelCase\uff09\u7684\u6a19\u6e96\u3002\u5728\u6240\u6709\u5716\u8868\u548c\u7a0b\u5f0f\u78bc\u4e2d\u7d71\u4e00\u61c9\u7528\u3002<\/p>\n<h3>2. \u6e05\u6670\u5730\u8a18\u9304\u95dc\u4fc2 \ud83d\udd17<\/h3>\n<p>\u78ba\u4fdd\u9023\u63a5\u5be6\u9ad4\u7684\u7dda\u689d\u6e05\u695a\u6a19\u793a\u51fa\u57fa\u6578\uff081:1\u30011:N\u3001M:N\uff09\u3002\u6b64\u8655\u7684\u6a21\u7cca\u6703\u5c0e\u81f4\u5be6\u4f5c\u932f\u8aa4\u3002\u4f7f\u7528 Crow\u2019s Foot \u6216 UML \u7b49\u6a19\u6e96\u7b26\u865f\uff0c\u8b93\u6240\u6709\u4eba\u90fd\u80fd\u8f15\u6613\u7406\u89e3\u3002<\/p>\n<h3>3. \u521d\u671f\u4fdd\u6301\u9ad8\u968e\u5c64\u6b21 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