{"id":1823,"date":"2026-03-25T09:46:44","date_gmt":"2026-03-25T09:46:44","guid":{"rendered":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/"},"modified":"2026-03-23T12:30:08","modified_gmt":"2026-03-23T12:30:08","slug":"hidden-logic-behind-erd-database-design","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/","title":{"rendered":"ERD \u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u60a8\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u59cb\u65bc\u6b64\u8655"},"content":{"rendered":"<p>\u5efa\u69cb\u4e00\u500b\u7a69\u5065\u7684\u8cc7\u8a0a\u7cfb\u7d71\uff0c\u91cd\u9ede\u4e0d\u5728\u65bc\u64b0\u5beb\u7a0b\u5f0f\u78bc\uff0c\u800c\u5728\u65bc\u7406\u89e3\u7d50\u69cb\u3002\u5728\u57f7\u884c\u4efb\u4f55\u4e00\u884c\u7a0b\u5f0f\u78bc\u4e4b\u524d\uff0c\u5728\u5efa\u7acb\u4efb\u4f55\u4e00\u5f35\u8cc7\u6599\u8868\u4e4b\u524d\uff0c\u5fc5\u9808\u5148\u5960\u5b9a\u57fa\u790e\u3002\u9019\u500b\u57fa\u790e\u5c31\u662f\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08Entity-Relationship Diagram\uff09\uff0c\u901a\u5e38\u7c21\u7a31\u70ba ERD\u3002\ud83c\udfd7\ufe0f \u5b83\u4e0d\u50c5\u50c5\u662f\u4e00\u5f35\u5716\uff1b\u5b83\u662f\u4e00\u4efd\u908f\u8f2f\u85cd\u5716\uff0c\u6c7a\u5b9a\u4e86\u8cc7\u6599\u5982\u4f55\u6d41\u52d5\u3001\u9023\u7d50\u8207\u6301\u4e45\u5316\u3002\u8a31\u591a\u958b\u767c\u4eba\u54e1\u5306\u5306\u8df3\u904e\u9019\u500b\u968e\u6bb5\uff0c\u5c07\u5176\u8996\u70ba\u4e00\u7a2e\u5f62\u5f0f\u3002\u9019\u662f\u4e00\u500b\u95dc\u9375\u6027\u7684\u932f\u8aa4\u3002ERD \u4e2d\u96b1\u85cf\u7684\u908f\u8f2f\u6c7a\u5b9a\u4e86\u6574\u500b\u61c9\u7528\u7a0b\u5f0f\u7684\u6548\u80fd\u3001\u53ef\u64f4\u5c55\u6027\u8207\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u672c\u6307\u5357\u63a2\u8a0e\u8cc7\u6599\u5eab\u5efa\u6a21\u7684\u57fa\u672c\u6a5f\u5236\u3002\u6211\u5011\u5c07\u8d85\u8d8a\u7c21\u55ae\u7684\u5b9a\u7fa9\uff0c\u6df1\u5165\u7406\u89e3\u652f\u914d\u8cc7\u6599\u95dc\u4fc2\u7684\u6f5b\u5728\u908f\u8f2f\u3002\u5230\u6700\u5f8c\uff0c\u60a8\u5c07\u660e\u767d\u70ba\u4f55\u5f9e\u9019\u88e1\u958b\u59cb\u4e0d\u50c5\u50c5\u662f\u5efa\u8b70\uff0c\u800c\u662f\u4efb\u4f55\u56b4\u8085\u6280\u8853\u5de5\u4f5c\u7684\u5fc5\u8981\u689d\u4ef6\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"\u4ee5Q\u7248\u98a8\u683c\u8cc7\u8a0a\u5716\u89e3\u8aaa\u660e\u8cc7\u6599\u5eab\u8a2d\u8a08\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u57fa\u790e\uff0c\u5305\u542b\u53ef\u611b\u89d2\u8272\u793a\u7bc4\u5be6\u9ad4\u3001\u5c6c\u6027\u3001\u95dc\u806f\u3001\u57fa\u6578\u985e\u578b\uff081:1\u30011:N\u3001M:N\uff09\u3001\u6b63\u898f\u5316\u5f62\u5f0f\uff0c\u4ee5\u53ca\u5efa\u69cb\u53ef\u64f4\u5c55\u8cc7\u6599\u5eab\u67b6\u69cb\u7684\u6700\u4f73\u5be6\u8e10\u3002\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udd0d \u4ec0\u9ebc\u662f ERD\uff1f\u70ba\u4f55\u5b83\u81f3\u95dc\u91cd\u8981\uff1f<\/h2>\n<p>\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u662f\u8cc7\u6599\u5eab\u7d50\u69cb\u7684\u8996\u89ba\u5316\u5448\u73fe\u3002\u5b83\u63cf\u7e6a\u51fa\u5be6\u9ad4\uff08\u7269\u4ef6\u6216\u6982\u5ff5\uff09\u53ca\u5176\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u96d6\u7136\u770b\u4f3c\u7c21\u55ae\uff0c\u4f46\u5176\u6df1\u5ea6\u5728\u65bc\u9019\u4e9b\u6620\u5c04\u7684\u7cbe\u78ba\u6027\u3002\ud83d\udcca<\/p>\n<p>\u8acb\u8003\u616e\u53e6\u4e00\u7a2e\u60c5\u6cc1\uff1a\u5728\u6c92\u6709\u898f\u5283\u7684\u60c5\u6cc1\u4e0b\u5efa\u7acb\u8cc7\u6599\u8868\u3002\u60a8\u53ef\u80fd\u5efa\u7acb\u4e00\u500b<strong>\u4f7f\u7528\u8005<\/strong>\u8cc7\u6599\u8868\uff0c\u4ee5\u53ca\u4e00\u500b<strong>\u8a02\u55ae<\/strong>\u8cc7\u6599\u8868\u3002\u4f46\u5169\u8005\u5982\u4f55\u9023\u7d50\uff1f\u5982\u679c\u4f7f\u7528\u8005\u4e0b\u9054\u4e86\u96f6\u7b46\u8a02\u55ae\u6703\u767c\u751f\u4ec0\u9ebc\u4e8b\uff1f\u5982\u679c\u4e00\u7b46\u8a02\u55ae\u9700\u8981\u5c6c\u65bc\u591a\u500b\u4f7f\u7528\u8005\u5462\uff1f\u82e5\u6c92\u6709\u5716\u8868\uff0c\u9019\u4e9b\u554f\u984c\u53ea\u80fd\u900f\u904e\u8a66\u8aa4\u6cd5\u4f86\u89e3\u7b54\uff0c\u5f80\u5f80\u5c0e\u81f4\u8cc7\u6599\u5197\u9918\u6216\u5b8c\u6574\u6027\u554f\u984c\u3002<\/p>\n<h3>\u6838\u5fc3\u7d44\u6210\u8981\u7d20<\/h3>\n<p>\u8981\u7406\u89e3\u5176\u908f\u8f2f\uff0c\u6211\u5011\u5fc5\u9808\u5256\u6790\u5716\u8868\u7684\u7d50\u69cb\u3002\u6bcf\u4e00\u500b ERD \u90fd\u5efa\u7acb\u5728\u4e09\u5927\u652f\u67f1\u4e4b\u4e0a\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u5be6\u9ad4\uff1a<\/strong>\u9019\u4e9b\u4ee3\u8868\u60a8\u7cfb\u7d71\u4e2d\u7684\u540d\u8a5e\u3002\u5728\u5716\u66f8\u9928\u7cfb\u7d71\u4e2d\uff0c\u9019\u4e9b\u53ef\u80fd\u662f<em>\u66f8\u7c4d<\/em>, <em>\u4f5c\u8005<\/em>\uff0c\u4ee5\u53ca<em>\u6703\u54e1<\/em>\u3002\u5728\u8cc7\u6599\u5eab\u4e2d\uff0c\u9019\u4e9b\u76f4\u63a5\u5c0d\u61c9\u70ba\u8cc7\u6599\u8868\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5c6c\u6027\uff1a<\/strong>\u9019\u4e9b\u662f\u7528\u4f86\u63cf\u8ff0\u5be6\u9ad4\u7684\u5c6c\u6027\u3002\u5c0d\u65bc\u4e00\u672c<em>\u66f8\u7c4d<\/em>\uff0c\u5176\u5c6c\u6027\u5305\u62ec<em>\u66f8\u540d<\/em>, <em>ISBN<\/em>\uff0c\u4ee5\u53ca<em>\u51fa\u7248\u65e5\u671f<\/em>\u3002\u9019\u4e9b\u5c07\u6210\u70ba\u60a8\u8cc7\u6599\u8868\u4e2d\u7684\u6b04\u4f4d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u95dc\u806f\uff1a<\/strong>\u9019\u4e9b\u5b9a\u7fa9\u4e86\u5be6\u9ad4\u4e4b\u9593\u7684\u4e92\u52d5\u65b9\u5f0f\u3002\u908f\u8f2f\u5c31\u4f4d\u65bc\u6b64\u8655\u3002\u5b83\u6307\u5b9a\u4e86\u95dc\u806f\u7684\u57fa\u6578\u8207\u7d04\u675f\u689d\u4ef6\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u2699\ufe0f \u57fa\u6578\u7684\u908f\u8f2f<\/h2>\n<p>\u57fa\u6578\u662f\u8cc7\u6599\u5eab\u8a2d\u8a08\u4e2d\u6700\u5e38\u88ab\u8aa4\u89e3\u7684\u6982\u5ff5\u3002\u5b83\u4e0d\u50c5\u50c5\u662f\u95dc\u65bc\u6578\u5b57\uff1b\u66f4\u662f\u95dc\u65bc\u898f\u5247\u3002\ud83d\udccf \u5b83\u56de\u7b54\u7684\u554f\u984c\u662f\uff1a\u300c\u4e00\u500b\u5be6\u9ad4\u7684\u5be6\u4f8b\u8207\u53e6\u4e00\u500b\u5be6\u9ad4\u7684\u5be6\u4f8b\u4e4b\u9593\u6709\u591a\u5c11\u95dc\u806f\uff1f\u300d<\/p>\n<p>\u6709\u4e09\u7a2e\u4e3b\u8981\u985e\u578b\u7684\u95dc\u806f\uff0c\u5b83\u5011\u5b9a\u7fa9\u4e86\u60a8\u8cc7\u6599\u7684\u7d50\u69cb\uff1a<\/p>\n<h3>1. \u4e00\u5c0d\u4e00\uff081:1\uff09<\/h3>\n<p>\u7576\u4e00\u500b\u5be6\u9ad4\u7684\u5be6\u4f8b\u50c5\u8207\u53e6\u4e00\u500b\u5be6\u9ad4\u7684\u55ae\u4e00\u5be6\u4f8b\u95dc\u806f\u6642\uff0c\u5c31\u6703\u767c\u751f\u9019\u7a2e\u95dc\u4fc2\u3002\u9019\u7a2e\u60c5\u6cc1\u8f03\u5c11\u898b\uff0c\u4f46\u6703\u56e0\u7279\u5b9a\u7684\u908f\u8f2f\u9700\u6c42\u800c\u5b58\u5728\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u7bc4\u4f8b\uff1a<\/strong>\u4e00\u500b\u300c<em>\u4eba\u300d<\/em>\u8207\u4e00\u500b\u300c<em>\u8b77\u7167\u300d<\/em>\u3002\u4e00\u500b\u4eba\u64c1\u6709\u4e00\u672c\u8b77\u7167\u3002\u4e00\u672c\u8b77\u7167\u50c5\u5c6c\u65bc\u4e00\u500b\u4eba\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5be6\u4f5c\u908f\u8f2f\uff1a<\/strong>\u60a8\u901a\u5e38\u5c07\u9019\u4e9b\u5408\u4f75\u70ba\u55ae\u4e00\u8cc7\u6599\u8868\uff0c\u6216\u5728\u5176\u4e2d\u4e00\u500b\u8cc7\u6599\u8868\u4e2d\u4f7f\u7528\u5916\u9375\uff0c\u6307\u5411\u53e6\u4e00\u500b\u8cc7\u6599\u8868\u7684\u4e3b\u9375\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>2. \u4e00\u5c0d\u591a\uff081:N\uff09<\/h3>\n<p>\u9019\u662f\u8cc7\u6599\u5efa\u6a21\u4e2d\u6700\u5e38\u898b\u7684\u95dc\u806f\u985e\u578b\u3002\u4e00\u500b\u5be6\u9ad4\u53ef\u4ee5\u8207\u591a\u500b\u53e6\u4e00\u500b\u5be6\u9ad4\u7684\u5be6\u4f8b\u95dc\u806f\uff0c\u4f46\u53cd\u4e4b\u5247\u4e0d\u6210\u7acb\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u7bc4\u4f8b\uff1a<\/strong>\u4e00\u500b\u300c<em>\u5ba2\u6236\u300d<\/em>\u8207\u4e00\u500b\u300c<em>\u8a02\u55ae\u300d<\/em>\u3002\u4e00\u500b\u5ba2\u6236\u53ef\u4ee5\u4e0b\u9054\u591a\u500b\u8a02\u55ae\u3002\u7136\u800c\uff0c\u55ae\u4e00\u8a02\u55ae\u50c5\u5c6c\u65bc\u4e00\u4f4d\u5ba2\u6236\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5be6\u4f5c\u908f\u8f2f\uff1a<\/strong>\u5916\u9375\u653e\u7f6e\u5728\u300c\u591a\u300d\u7684\u4e00\u65b9\uff08\u5373\u300c<em>\u8a02\u55ae\u300d<\/em>\u8cc7\u6599\u8868\uff09\uff0c\u7528\u4ee5\u53c3\u7167\u300c\u4e00\u300d\u7684\u4e00\u65b9\uff08\u5373\u300c<em>\u5ba2\u6236\u300d<\/em>\u8cc7\u6599\u8868\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>3. \u591a\u5c0d\u591a\uff08M:N\uff09<\/h3>\n<p>\u6b64\u95dc\u4fc2\u8868\u793a\u4e00\u500b\u5be6\u9ad4\u7684\u5be6\u4f8b\u53ef\u4ee5\u8207\u53e6\u4e00\u500b\u5be6\u9ad4\u7684\u591a\u500b\u5be6\u4f8b\u95dc\u806f\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u7bc4\u4f8b\uff1a<\/strong> <em>\u5b78\u751f<\/em> \u548c <em>\u8ab2\u7a0b<\/em>\u3002\u4e00\u540d\u5b78\u751f\u53ef\u4ee5\u9078\u4fee\u591a\u9580\u8ab2\u7a0b\u3002\u4e00\u9580\u8ab2\u7a0b\u53ef\u4ee5\u6709\u591a\u540d\u5b78\u751f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5be6\u4f5c\u908f\u8f2f\uff1a<\/strong> \u9019\u7121\u6cd5\u76f4\u63a5\u5728\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u4e2d\u5be6\u4f5c\u3002\u5b83\u9700\u8981\u4e00\u500b <strong>\u95dc\u806f\u8868<\/strong>\uff08\u6216\u95dc\u806f\u5be6\u9ad4\uff09\u5c07\u6b64\u95dc\u4fc2\u62c6\u89e3\u70ba\u5169\u500b\u4e00\u5c0d\u591a\u95dc\u4fc2\u3002<\/p>\n<\/li>\n<\/ul>\n<table style=\"min-width: 100px;\">\n<colgroup>\n<col style=\"min-width: 25px;\"\/>\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>\u95dc\u4fc2\u985e\u578b<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u908f\u8f2f\u63cf\u8ff0<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u8cc7\u6599\u5eab\u5be6\u4f5c<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u7bc4\u4f8b\u60c5\u5883<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e00\u5c0d\u4e00 (1:1)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u55ae\u4e00\u5be6\u4f8b\u9023\u7d50\u81f3\u55ae\u4e00\u5be6\u4f8b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4efb\u4e00\u65b9\u8a2d\u5916\u9375<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u54e1\u5de5 \u2194 \u8fa6\u516c\u5ba4\u914d\u7f6e<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e00\u5c0d\u591a (1:N)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u55ae\u4e00\u5be6\u4f8b\u9023\u7d50\u81f3\u591a\u500b\u5be6\u4f8b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5728\u300c\u591a\u300d\u7684\u4e00\u65b9\u8a2d\u5916\u9375<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u90e8\u9580 \u2194 \u54e1\u5de5<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u591a\u5c0d\u591a (M:N)<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u591a\u500b\u5be6\u4f8b\u9023\u7d50\u81f3\u591a\u500b\u5be6\u4f8b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9700\u4f7f\u7528\u95dc\u806f\/\u95dc\u806f\u8868<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6559\u5e2b \u2194 \u79d1\u76ee<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udd17 \u7406\u89e3\u95dc\u4fc2\u8207\u7d04\u675f<\/h2>\n<p>\u95dc\u4fc2\u4e0d\u50c5\u662f\u5716\u5f62\u4e0a\u7684\u7dda\u689d\uff1b\u5b83\u5011\u4ee3\u8868\u696d\u52d9\u898f\u5247\u3002\u82e5\u60a8\u5728\u8a2d\u8a08\u4e2d\u9055\u53cd\u9019\u4e9b\u898f\u5247\uff0c\u60a8\u7684\u8cc7\u6599\u5c07\u8b8a\u5f97\u4e0d\u53ef\u9760\u3002\u9019\u6b63\u662f\u300c\u57fa\u6578\u7d04\u675f\u300d\u6982\u5ff5\u7684\u61c9\u7528\u4e4b\u8655\u3002<strong>\u57fa\u6578\u7d04\u675f<\/strong>\u5728\u6b64\u767c\u63ee\u4f5c\u7528\u3002<\/p>\n<h3>\u53c3\u8207\u9650\u5236<\/h3>\n<p>\u9019\u4e9b\u5b9a\u7fa9\u4e86\u5be6\u9ad4\u662f\u5426\u5fc5\u9808\u53c3\u8207\u67d0\u500b\u95dc\u806f\u3002\u5728\u5716\u8868\u4e2d\uff0c\u9019\u901a\u5e38\u4ee5\u96d9\u7dda\u4f86\u8868\u793a\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u5b8c\u5168\u53c3\u8207\uff1a<\/strong>\u5be6\u9ad4 A \u7684\u6bcf\u500b\u5be6\u4f8b\u90fd\u5fc5\u9808\u8207\u5be6\u9ad4 B \u7684\u67d0\u500b\u5be6\u4f8b\u76f8\u95dc\u806f\u3002\uff08\u4f8b\u5982\uff1a\u6bcf\u500b\u8a02\u55ae\u90fd\u5fc5\u9808\u5c0d\u61c9\u4e00\u4f4d\u5ba2\u6236\u3002\uff09<\/p>\n<\/li>\n<li>\n<p><strong>\u90e8\u5206\u53c3\u8207\uff1a<\/strong>\u5be6\u9ad4 A \u7684\u67d0\u500b\u5be6\u4f8b\u53ef\u80fd\u8207\u5be6\u9ad4 B \u76f8\u95dc\u806f\uff0c\u4e5f\u53ef\u80fd\u4e0d\u76f8\u95dc\u806f\u3002\uff08\u4f8b\u5982\uff1a\u67d0\u4f4d\u5ba2\u6236\u53ef\u80fd\u6709\u4e5f\u53ef\u80fd\u6c92\u6709\u4fe1\u7528\u5361\u3002\uff09<\/p>\n<\/li>\n<\/ul>\n<h3>\u53c3\u7167\u5b8c\u6574\u6027<\/h3>\n<p>\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u5f37\u5236\u57f7\u884c\u53c3\u7167\u5b8c\u6574\u6027\u3002\u9019\u78ba\u4fdd\u4e86\u60a8\u7121\u6cd5\u70ba\u4e0d\u5b58\u5728\u7684\u5ba2\u6236\u5275\u5efa\u8a02\u55ae\u3002\u5916\u9375\u7d04\u675f\u626e\u6f14\u5b88\u9580\u54e1\u7684\u89d2\u8272\uff0c\u9632\u6b62\u51fa\u73fe\u5b64\u5152\u8a18\u9304\u3002\u6b64\u908f\u8f2f\u5c0d\u65bc\u9577\u671f\u7dad\u6301\u6578\u64da\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2>\ud83e\uddf1 \u6b63\u898f\u5316\u8207\u5be6\u9ad4\u95dc\u4fc2\u5716<\/h2>\n<p>\u8a2d\u8a08\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u82e5\u4e0d\u8003\u616e\u6b63\u898f\u5316\u5247\u4e0d\u5b8c\u6574\u3002\u6b63\u898f\u5316\u662f\u7d44\u7e54\u6578\u64da\u4ee5\u6e1b\u5c11\u5197\u9918\u4e26\u63d0\u5347\u5b8c\u6574\u6027\u7684\u904e\u7a0b\u3002ERD \u662f\u7528\u4f86\u5be6\u73fe\u9019\u4e9b\u6b63\u898f\u5f62\u5f0f\u7684\u8996\u89ba\u5316\u5de5\u5177\u3002<\/p>\n<h3>\u7b2c\u4e00\u6b63\u898f\u5f62\u5f0f\uff081NF\uff09<\/h3>\n<p>\u7b2c\u4e00\u689d\u898f\u5247\u662f\u539f\u5b50\u6027\u3002\u6bcf\u500b\u6b04\u4f4d\u5fc5\u9808\u50c5\u5305\u542b\u55ae\u4e00\u503c\u3002\u60a8\u7684 ERD \u4e0d\u61c9\u986f\u793a\u4e00\u500b\u540d\u70ba\u300c\u96fb\u8a71\u865f\u78bc\u300d\u7684\u6b04\u4f4d\uff0c\u5176\u4e2d\u4e00\u500b\u5132\u5b58\u683c\u5167\u5217\u51fa\u4e09\u500b\u865f\u78bc\u3002\u76f8\u53cd\u5730\uff0c\u61c9\u5c07\u95dc\u806f\u62c6\u5206\uff0c\u6216\u4fee\u6539\u8cc7\u6599\u7d50\u69cb\u4ee5\u5bb9\u7d0d\u591a\u7b46\u8a18\u9304\u3002<\/p>\n<h3>\u7b2c\u4e8c\u6b63\u898f\u5f62\u5f0f\uff082NF\uff09<\/h3>\n<p>2NF \u5efa\u7acb\u5728 1NF \u7684\u57fa\u790e\u4e0a\uff0c\u78ba\u4fdd\u6240\u6709\u975e\u4e3b\u9375\u5c6c\u6027\u5b8c\u5168\u4f9d\u8cf4\u65bc\u4e3b\u9375\u3002\u5982\u679c\u60a8\u6709\u4e00\u5f35\u8868\u683c\uff0c\u5176\u4e2d\u67d0\u4e9b\u8cc7\u6599\u4f9d\u8cf4\u65bc\u8907\u5408\u9375\u7684\u4e00\u90e8\u5206\uff0c\u5247\u5fc5\u9808\u5c07\u8a72\u8868\u683c\u62c6\u5206\u3002ERD \u900f\u904e\u986f\u793a\u54ea\u4e9b\u5c6c\u6027\u5c6c\u65bc\u54ea\u500b\u5be6\u9ad4\uff0c\u5e6b\u52a9\u8996\u89ba\u5316\u6b64\u6982\u5ff5\u3002<\/p>\n<h3>\u7b2c\u4e09\u6b63\u898f\u5f62\u5f0f\uff083NF\uff09<\/h3>\n<p>3NF \u6d88\u9664\u50b3\u905e\u4f9d\u8cf4\u3002\u5982\u679c\u67d0\u500b\u975e\u4e3b\u9375\u5c6c\u6027\u4f9d\u8cf4\u65bc\u53e6\u4e00\u500b\u975e\u4e3b\u9375\u5c6c\u6027\uff0c\u5247\u9055\u53cd\u6b64\u5f62\u5f0f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u300c<em>\u57ce\u5e02<\/em>\u300d\u4f9d\u8cf4\u65bc\u300c<em>\u90f5\u905e\u5340\u865f<\/em>\u300d\uff0c\u800c\u300c<em>\u90f5\u905e\u5340\u865f<\/em>\u300d\u4f9d\u8cf4\u65bc\u300c<em>\u5730\u5740<\/em>\u300d\uff0c\u60a8\u61c9\u5c07\u300c<em>\u57ce\u5e02<\/em>\u300d\u8cc7\u8a0a\u7368\u7acb\u6210\u4e00\u500b\u5be6\u9ad4\u6216\u8cc7\u6599\u8868\u3002<\/p>\n<p><strong>\u70ba\u4f55\u9019\u5f88\u91cd\u8981\uff1a<\/strong>\u5982\u679c\u60a8\u8df3\u904e\u6b63\u898f\u5316\uff0c\u60a8\u7684 ERD \u770b\u8d77\u4f86\u53ef\u80fd\u5f88\u7c21\u55ae\uff0c\u4f46\u8cc7\u6599\u5eab\u5c07\u6703\u96dc\u4e82\u7121\u7ae0\u3002\u66f4\u65b0\u8b8a\u5f97\u56f0\u96e3\uff0c\u522a\u9664\u8a18\u9304\u53ef\u80fd\u6703\u610f\u5916\u79fb\u9664\u5fc5\u8981\u7684\u8cc7\u6599\u3002ERD \u7684\u908f\u8f2f\u80fd\u4fdd\u8b77\u60a8\u907f\u514d\u9019\u4e9b\u7d50\u69cb\u6027\u7f3a\u9677\u3002<\/p>\n<h2>\ud83d\udeab \u5e38\u898b\u8a2d\u8a08\u932f\u8aa4<\/h2>\n<p>\u5373\u4f7f\u662f\u7d93\u9a57\u8c50\u5bcc\u7684\u8a2d\u8a08\u5e2b\u4e5f\u6703\u843d\u5165\u9677\u9631\u3002\u53ca\u65e9\u8b58\u5225\u9019\u4e9b\u9677\u9631\u53ef\u7bc0\u7701\u6578\u6708\u7684\u91cd\u69cb\u6642\u9593\u3002<\/p>\n<h3>1. \u5ffd\u8996\u591a\u5c0d\u591a\u95dc\u4fc2\u7684\u73fe\u5be6<\/h3>\n<p>\u8a66\u5716\u5c07\u591a\u5c0d\u591a\u95dc\u4fc2\u76f4\u63a5\u5f37\u5236\u653e\u5165\u55ae\u4e00\u8cc7\u6599\u8868\u4e2d\u662f\u4e00\u7a2e\u908f\u8f2f\u8b2c\u8aa4\u3002\u9019\u6703\u5c0e\u81f4\u8cc7\u6599\u91cd\u8907\u8207\u6b67\u7fa9\u3002\u5c0d\u65bc M:N \u95dc\u4fc2\uff0c\u52d9\u5fc5\u4f7f\u7528\u95dc\u806f\u5be6\u9ad4\u3002<\/p>\n<h3>2. \u904e\u5ea6\u6b63\u898f\u5316<\/h3>\n<p>\u96d6\u7136\u6b63\u898f\u5316\u662f\u597d\u7684\uff0c\u4f46\u904e\u5ea6\u6b63\u898f\u5316\u6703\u904e\u65bc\u6fc0\u9032\u5730\u5c07\u8cc7\u6599\u788e\u7247\u5316\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u8907\u96dc\u7684\u9023\u63a5\u64cd\u4f5c\uff0c\u9032\u800c\u964d\u4f4e\u67e5\u8a62\u6548\u80fd\u3002\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u5fc5\u9808\u5728\u908f\u8f2f\u7d14\u5ea6\u8207\u5be6\u9ad4\u6548\u80fd\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n<h3>3. \u547d\u540d\u898f\u7bc4\u542b\u7cca\u4e0d\u6e05<\/h3>\n<p>\u540d\u7a31\u5982\u300c<em>Table1<\/em>&#8221; \u6216\u300c<em>Field1<\/em>&#8221; \u5b8c\u5168\u7f3a\u4e4f\u8a9e\u5883\u3002\u5be6\u9ad4\u95dc\u4fc2\u5716\u4f9d\u8cf4\u6e05\u6670\u7684\u547d\u540d\u4f86\u50b3\u9054\u908f\u8f2f\u3002\u8acb\u4f7f\u7528\u80fd\u53cd\u6620\u696d\u52d9\u9818\u57df\u7684\u63cf\u8ff0\u6027\u540d\u7a31\u3002<\/p>\n<h3>4. \u7f3a\u5c11\u5c6c\u6027<\/h3>\n<p>\u8a2d\u8a08\u8005\u5f80\u5f80\u5c08\u6ce8\u65bc\u95dc\u4fc2\u800c\u907a\u6f0f\u5c6c\u6027\u3002\u6c92\u6709\u5c6c\u6027\u7684\u8cc7\u6599\u8868\u50c5\u662f\u4e00\u500b\u5bb9\u5668\u3002\u8acb\u78ba\u4fdd\u6bcf\u500b\u5be6\u9ad4\u90fd\u64c1\u6709\u5fc5\u8981\u7684\u8cc7\u6599\u9ede\u4ee5\u7368\u7acb\u904b\u4f5c\u3002<\/p>\n<h2>\u2705 \u5efa\u7acb\u6709\u6548\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u82e5\u8981\u5efa\u7acb\u4e00\u4efd\u80fd\u4f5c\u70ba\u53ef\u9760\u6307\u5357\u7684\u5716\u8868\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u7d50\u69cb\u5316\u5be6\u8e10\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u5f9e\u5be6\u9ad4\u958b\u59cb\uff1a<\/strong>\u9996\u5148\u8b58\u5225\u7cfb\u7d71\u7684\u6838\u5fc3\u7269\u4ef6\u3002\u5728\u4e86\u89e3\u73fe\u6709\u5167\u5bb9\u4e4b\u524d\uff0c\u4e0d\u8981\u9677\u5165\u95dc\u4fc2\u7684\u7d30\u7bc0\u4e2d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u660e\u78ba\u5b9a\u7fa9\u4e3b\u9375\uff1a<\/strong>\u6bcf\u500b\u8cc7\u6599\u8868\u90fd\u9700\u8981\u4e00\u500b\u552f\u4e00\u8b58\u5225\u78bc\u3002\u8acb\u6e05\u695a\u6a19\u8a18\u9019\u4e9b\u8b58\u5225\u78bc\u3002\u9019\u5c07\u70ba\u95dc\u4fc2\u908f\u8f2f\u5960\u5b9a\u57fa\u790e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f7f\u7528\u6a19\u6e96\u7b26\u865f\uff1a<\/strong>\u7121\u8ad6\u60a8\u4f7f\u7528\u300c\u9d5d\u8173\u300d\u7b26\u865f\u9084\u662f\u9673\u6c0f\u7b26\u865f\uff0c\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u9019\u80fd\u964d\u4f4e\u672a\u4f86\u95b1\u8b80\u5716\u8868\u8005\u7684\u8a8d\u77e5\u8ca0\u8377\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8fed\u4ee3\u8a2d\u8a08\uff1a<\/strong>\u5be6\u9ad4\u95dc\u4fc2\u5716\u5728\u521d\u7a3f\u4e2d\u5f88\u5c11\u662f\u5b8c\u7f8e\u7684\u3002\u8acb\u6839\u64da\u696d\u52d9\u9700\u6c42\u9032\u884c\u5be9\u67e5\u3002\u63d0\u51fa\u5982\u300c\u4f7f\u7528\u8005\u662f\u5426\u53ef\u4ee5\u6c92\u6709\u5730\u5740\u800c\u5b58\u5728\uff1f\u300d\u7b49\u554f\u984c\uff0c\u4e26\u64da\u6b64\u8abf\u6574\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8a18\u9304\u908f\u8f2f\uff1a<\/strong>\u5728\u5716\u8868\u4e2d\u6dfb\u52a0\u8a3b\u89e3\u4ee5\u8aaa\u660e\u8907\u96dc\u898f\u5247\u3002\u8cc7\u6599\u8868\u4e4b\u9593\u7684\u9023\u7dda\u544a\u8a34\u60a8\u300c<em>\u4ec0\u9ebc<\/em>&#8221; \u5df2\u9023\u63a5\uff0c\u4f46\u8a3b\u89e3\u544a\u8a34\u60a8\u300c<em>\u70ba\u4ec0\u9ebc<\/em>.<\/p>\n<\/li>\n<\/ul>\n<h2>\ud83d\udd04 \u5f9e\u908f\u8f2f\u5230\u5be6\u73fe<\/h2>\n<p>\u4e00\u65e6\u5be6\u9ad4\u95dc\u4fc2\u5716\u5b9a\u7a3f\uff0c\u5b83\u5373\u6210\u70ba\u5be6\u9ad4\u7d50\u69cb\u7684\u771f\u5be6\u4f86\u6e90\u3002\u5f9e\u5716\u8868\u904e\u6e21\u5230\u8cc7\u6599\u5eab\u7684\u904e\u7a0b\uff0c\u6b63\u662f\u908f\u8f2f\u88ab\u7de8\u78bc\u5be6\u73fe\u7684\u95dc\u9375\u74b0\u7bc0\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u908f\u8f2f\u5230\u5be6\u9ad4\uff1a<\/strong>\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\u662f\u908f\u8f2f\u5c64\u9762\u7684\uff0c\u5b83\u63cf\u8ff0\u6982\u5ff5\u3002\u5be6\u9ad4\u7d50\u69cb\u5247\u63cf\u8ff0\u5132\u5b58\u65b9\u5f0f\u3002ERD \u5fc5\u9808\u8f49\u63db\u70ba\u9069\u5408\u76ee\u6a19\u7cfb\u7d71\u7684\u7279\u5b9a\u8cc7\u6599\u985e\u578b\uff08\u4f8b\u5982\uff1a\u6574\u6578\u3001\u8b8a\u5b57\u4e32\u3001\u65e5\u671f\uff09\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4ee5\u7a0b\u5f0f\u78bc\u5f62\u5f0f\u5448\u73fe\u7684\u7d04\u675f\uff1a<\/strong>ERD \u4e2d\u7e6a\u88fd\u7684\u95dc\u4fc2\u6703\u8b8a\u6210<strong>\u5916\u9375\u7d04\u675f<\/strong>\u4e26\u7d0d\u5165\u8cc7\u6599\u5eab\u5b9a\u7fa9\u4e2d\u3002\u57fa\u6578\u5247\u8f49\u5316\u70ba\u6aa2\u67e5\u7d04\u675f\u6216\u552f\u4e00\u7d22\u5f15\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9a57\u8b49\uff1a<\/strong>\u4f7f\u7528 ERD \u9a57\u8b49\u6240\u7522\u751f\u7684\u7d50\u69cb\u3002\u6bcf\u500b\u8868\u683c\u662f\u5426\u5b58\u5728\uff1f\u6240\u6709\u95dc\u4fc2\u662f\u5426\u5df2\u4fdd\u7559\uff1f\u8cc7\u6599\u5b8c\u6574\u6027\u662f\u5426\u5f97\u4ee5\u7dad\u6301\uff1f<\/p>\n<\/li>\n<\/ol>\n<h2>\ud83d\udee0\ufe0f \u5c0d\u7dad\u8b77\u968e\u6bb5\u7684\u5f71\u97ff<\/h2>\n<p>\u7d50\u69cb\u826f\u597d\u7684 ERD \u5728\u7dad\u8b77\u968e\u6bb5\u80fd\u5e36\u4f86\u986f\u8457\u6548\u76ca\u3002\u7576\u9700\u6c42\u8b8a\u66f4\u6642\uff0c\u5716\u8868\u80fd\u986f\u793a\u5176\u9023\u9396\u5f71\u97ff\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u5f71\u97ff\u5206\u6790\uff1a<\/strong>\u82e5\u9700\u70ba\u5be6\u9ad4\u65b0\u589e\u6b04\u4f4d\uff0cERD \u6703\u986f\u793a\u54ea\u4e9b\u8868\u683c\u6703\u53d7\u6b64\u8b8a\u66f4\u5f71\u97ff\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u91cd\u69cb\uff1a<\/strong>\u82e5\u8cc7\u6599\u5eab\u6548\u80fd\u8b8a\u5dee\uff0cERD \u53ef\u5354\u52a9\u6839\u64da\u95dc\u4fc2\u8def\u5f91\u8b58\u5225\u6548\u7387\u4e0d\u4f73\u7684\u9023\u63a5\u64cd\u4f5c\u6216\u907a\u6f0f\u7684\u7d22\u5f15\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6587\u4ef6\uff1a<\/strong>ERD \u4f5c\u70ba\u52d5\u614b\u6587\u4ef6\uff0c\u65b0\u6210\u54e1\u53ef\u900f\u904e\u7814\u7a76\u8a72\u5716\u8868\u7406\u89e3\u7cfb\u7d71\u67b6\u69cb\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\ud83d\udcdd \u95dc\u9375\u6982\u5ff5\u6458\u8981<\/h2>\n<p>\u56de\u9867\u800c\u8a00\uff0cERD \u80cc\u5f8c\u7684\u908f\u8f2f\u5728\u65bc\u6e05\u6670\u6027\u3001\u5b8c\u6574\u6027\u8207\u7d50\u69cb\u5316\u3002\u4ee5\u4e0b\u662f\u60a8\u8a2d\u8a08\u904e\u7a0b\u4e2d\u7684\u95dc\u9375\u91cd\u9ede\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u5be6\u9ad4<\/strong>\u4ee3\u8868\u6838\u5fc3\u7269\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5c6c\u6027<\/strong>\u5b9a\u7fa9\u9019\u4e9b\u7269\u4ef6\u7684\u5c6c\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u95dc\u4fc2<\/strong>\u5b9a\u7fa9\u7269\u4ef6\u4e4b\u9593\u7684\u9023\u7d50\u8207\u898f\u5247\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u57fa\u6578<\/strong>\u6c7a\u5b9a\u9019\u4e9b\u9023\u7d50\u7684\u6578\u91cf\uff081:1\u30011:N\u3001M:N\uff09\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6b63\u898f\u5316<\/strong>\u78ba\u4fdd\u8cc7\u6599\u7d44\u7e54\u65b9\u5f0f\u80fd\u907f\u514d\u5197\u9918\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7d04\u675f<\/strong>\u57f7\u884c\u5716\u8868\u4e2d\u5b9a\u7fa9\u7684\u696d\u52d9\u898f\u5247\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5c07\u5be6\u9ad4\u95dc\u4fc2\u5716\u8996\u70ba\u8cc7\u6599\u5eab\u8a2d\u8a08\u7684\u8d77\u9ede\uff0c\u53ef\u78ba\u4fdd\u7cfb\u7d71\u662f\u5efa\u7acb\u5728\u908f\u8f2f\u800c\u975e\u5047\u8a2d\u7684\u57fa\u790e\u4e4b\u4e0a\u3002\u9019\u7a2e\u65b9\u6cd5\u80fd\u6e1b\u5c11\u6280\u8853\u50b5\uff0c\u4e26\u5efa\u7acb\u53ef\u64f4\u5c55\u7684\u67b6\u69cb\u3002\u8acb\u82b1\u6642\u9593\u6b63\u78ba\u7e6a\u88fd\u9023\u7dda\u3002\u5167\u90e8\u7684\u6578\u64da\u5c07\u6703\u611f\u8b1d\u4f60\u3002\ud83d\ude80<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5efa\u69cb\u4e00\u500b\u7a69\u5065\u7684\u8cc7\u8a0a\u7cfb\u7d71\uff0c\u91cd\u9ede\u4e0d\u5728\u65bc\u64b0\u5beb\u7a0b\u5f0f\u78bc\uff0c\u800c\u5728\u65bc\u7406\u89e3\u7d50\u69cb&hellip;<\/p>\n","protected":false},"author":1,"featured_media":1824,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"\u5be6\u9ad4\u95dc\u4fc2\u5716\u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u4f60\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u5f9e\u9019\u88e1\u958b\u59cb","_yoast_wpseo_metadesc":"\u7406\u89e3\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6838\u5fc3\u908f\u8f2f\u3002\u5b78\u7fd2\u5982\u4f55\u900f\u904e\u9069\u7576\u7684\u57fa\u6578\u8207\u6b63\u898f\u5316\u7b56\u7565\uff0c\u8a2d\u8a08\u7a69\u5065\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u3002","source_url":"","fifu_image_url":"","fifu_image_alt":"","_fifu_image_alt":"","fifu_alt":"","_fifu_alt":"","fifu_image_title":"","_fifu_image_title":"","fifu_input_alt":"","vp_image_hash":"","footnotes":""},"categories":[89],"tags":[84,88],"asset-category":[],"class_list":["post-1823","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-erd","tag-academic","tag-erd"],"source_url":"","fifu_image_url":"","fifu_image_alt":"","vp_image_hash":"","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u5be6\u9ad4\u95dc\u4fc2\u5716\u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u4f60\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u5f9e\u9019\u88e1\u958b\u59cb<\/title>\n<meta name=\"description\" content=\"\u7406\u89e3\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6838\u5fc3\u908f\u8f2f\u3002\u5b78\u7fd2\u5982\u4f55\u900f\u904e\u9069\u7576\u7684\u57fa\u6578\u8207\u6b63\u898f\u5316\u7b56\u7565\uff0c\u8a2d\u8a08\u7a69\u5065\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5be6\u9ad4\u95dc\u4fc2\u5716\u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u4f60\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u5f9e\u9019\u88e1\u958b\u59cb\" \/>\n<meta property=\"og:description\" content=\"\u7406\u89e3\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6838\u5fc3\u908f\u8f2f\u3002\u5b78\u7fd2\u5982\u4f55\u900f\u904e\u9069\u7576\u7684\u57fa\u6578\u8207\u6b63\u898f\u5316\u7b56\u7565\uff0c\u8a2d\u8a08\u7a69\u5065\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/\" \/>\n<meta property=\"og:site_name\" content=\"Viz Read Traditional Chinese - AI, Software &amp; Digital Insights\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-25T09:46:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1664\" \/>\n\t<meta property=\"og:image:height\" content=\"928\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"vpadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005:\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/\"},\"author\":{\"name\":\"vpadmin\",\"@id\":\"https:\/\/www.viz-read.com\/tw\/#\/schema\/person\/26e014daa5bbdc9b97114eee89cc3936\"},\"headline\":\"ERD \u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u60a8\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u59cb\u65bc\u6b64\u8655\",\"datePublished\":\"2026-03-25T09:46:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/\"},\"wordCount\":49,\"publisher\":{\"@id\":\"https:\/\/www.viz-read.com\/tw\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg\",\"keywords\":[\"academic\",\"erd\"],\"articleSection\":[\"ERD\"],\"inLanguage\":\"zh-TW\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/\",\"url\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/\",\"name\":\"\u5be6\u9ad4\u95dc\u4fc2\u5716\u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u4f60\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u5f9e\u9019\u88e1\u958b\u59cb\",\"isPartOf\":{\"@id\":\"https:\/\/www.viz-read.com\/tw\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg\",\"datePublished\":\"2026-03-25T09:46:44+00:00\",\"description\":\"\u7406\u89e3\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6838\u5fc3\u908f\u8f2f\u3002\u5b78\u7fd2\u5982\u4f55\u900f\u904e\u9069\u7576\u7684\u57fa\u6578\u8207\u6b63\u898f\u5316\u7b56\u7565\uff0c\u8a2d\u8a08\u7a69\u5065\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#breadcrumb\"},\"inLanguage\":\"zh-TW\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#primaryimage\",\"url\":\"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg\",\"contentUrl\":\"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg\",\"width\":1664,\"height\":928},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.viz-read.com\/tw\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ERD \u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u60a8\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u59cb\u65bc\u6b64\u8655\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.viz-read.com\/tw\/#website\",\"url\":\"https:\/\/www.viz-read.com\/tw\/\",\"name\":\"Viz Read Traditional Chinese - AI, Software &amp; Digital Insights\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.viz-read.com\/tw\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.viz-read.com\/tw\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-TW\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.viz-read.com\/tw\/#organization\",\"name\":\"Viz Read Traditional Chinese - AI, Software &amp; Digital Insights\",\"url\":\"https:\/\/www.viz-read.com\/tw\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\/\/www.viz-read.com\/tw\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2025\/03\/cropped-cropped-viz-read-logo.png\",\"contentUrl\":\"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2025\/03\/cropped-cropped-viz-read-logo.png\",\"width\":1200,\"height\":1200,\"caption\":\"Viz Read Traditional Chinese - AI, Software &amp; Digital Insights\"},\"image\":{\"@id\":\"https:\/\/www.viz-read.com\/tw\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.viz-read.com\/tw\/#\/schema\/person\/26e014daa5bbdc9b97114eee89cc3936\",\"name\":\"vpadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-TW\",\"@id\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"caption\":\"vpadmin\"},\"sameAs\":[\"https:\/\/www.viz-read.com\"],\"url\":\"https:\/\/www.viz-read.com\/tw\/author\/vpadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u5be6\u9ad4\u95dc\u4fc2\u5716\u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u4f60\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u5f9e\u9019\u88e1\u958b\u59cb","description":"\u7406\u89e3\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6838\u5fc3\u908f\u8f2f\u3002\u5b78\u7fd2\u5982\u4f55\u900f\u904e\u9069\u7576\u7684\u57fa\u6578\u8207\u6b63\u898f\u5316\u7b56\u7565\uff0c\u8a2d\u8a08\u7a69\u5065\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/","og_locale":"zh_TW","og_type":"article","og_title":"\u5be6\u9ad4\u95dc\u4fc2\u5716\u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u4f60\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u5f9e\u9019\u88e1\u958b\u59cb","og_description":"\u7406\u89e3\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6838\u5fc3\u908f\u8f2f\u3002\u5b78\u7fd2\u5982\u4f55\u900f\u904e\u9069\u7576\u7684\u57fa\u6578\u8207\u6b63\u898f\u5316\u7b56\u7565\uff0c\u8a2d\u8a08\u7a69\u5065\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u3002","og_url":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/","og_site_name":"Viz Read Traditional Chinese - AI, Software &amp; Digital Insights","article_published_time":"2026-03-25T09:46:44+00:00","og_image":[{"width":1664,"height":928,"url":"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg","type":"image\/jpeg"}],"author":"vpadmin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005:":false},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#article","isPartOf":{"@id":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/"},"author":{"name":"vpadmin","@id":"https:\/\/www.viz-read.com\/tw\/#\/schema\/person\/26e014daa5bbdc9b97114eee89cc3936"},"headline":"ERD \u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u60a8\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u59cb\u65bc\u6b64\u8655","datePublished":"2026-03-25T09:46:44+00:00","mainEntityOfPage":{"@id":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/"},"wordCount":49,"publisher":{"@id":"https:\/\/www.viz-read.com\/tw\/#organization"},"image":{"@id":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#primaryimage"},"thumbnailUrl":"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg","keywords":["academic","erd"],"articleSection":["ERD"],"inLanguage":"zh-TW"},{"@type":"WebPage","@id":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/","url":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/","name":"\u5be6\u9ad4\u95dc\u4fc2\u5716\u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u4f60\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u5f9e\u9019\u88e1\u958b\u59cb","isPartOf":{"@id":"https:\/\/www.viz-read.com\/tw\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#primaryimage"},"image":{"@id":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#primaryimage"},"thumbnailUrl":"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg","datePublished":"2026-03-25T09:46:44+00:00","description":"\u7406\u89e3\u5be6\u9ad4\u95dc\u4fc2\u5716\u7684\u6838\u5fc3\u908f\u8f2f\u3002\u5b78\u7fd2\u5982\u4f55\u900f\u904e\u9069\u7576\u7684\u57fa\u6578\u8207\u6b63\u898f\u5316\u7b56\u7565\uff0c\u8a2d\u8a08\u7a69\u5065\u7684\u8cc7\u6599\u5eab\u7d50\u69cb\u3002","breadcrumb":{"@id":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#breadcrumb"},"inLanguage":"zh-TW","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/"]}]},{"@type":"ImageObject","inLanguage":"zh-TW","@id":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#primaryimage","url":"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg","contentUrl":"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2026\/03\/erd-hidden-logic-chibi-infographic-16x9-1.jpg","width":1664,"height":928},{"@type":"BreadcrumbList","@id":"https:\/\/www.viz-read.com\/tw\/hidden-logic-behind-erd-database-design\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.viz-read.com\/tw\/"},{"@type":"ListItem","position":2,"name":"ERD \u80cc\u5f8c\u7684\u96b1\u85cf\u908f\u8f2f\uff1a\u70ba\u4f55\u60a8\u7684\u8cc7\u6599\u5eab\u8a2d\u8a08\u59cb\u65bc\u6b64\u8655"}]},{"@type":"WebSite","@id":"https:\/\/www.viz-read.com\/tw\/#website","url":"https:\/\/www.viz-read.com\/tw\/","name":"Viz Read Traditional Chinese - AI, Software &amp; Digital Insights","description":"","publisher":{"@id":"https:\/\/www.viz-read.com\/tw\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.viz-read.com\/tw\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-TW"},{"@type":"Organization","@id":"https:\/\/www.viz-read.com\/tw\/#organization","name":"Viz Read Traditional Chinese - AI, Software &amp; Digital Insights","url":"https:\/\/www.viz-read.com\/tw\/","logo":{"@type":"ImageObject","inLanguage":"zh-TW","@id":"https:\/\/www.viz-read.com\/tw\/#\/schema\/logo\/image\/","url":"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2025\/03\/cropped-cropped-viz-read-logo.png","contentUrl":"https:\/\/www.viz-read.com\/tw\/wp-content\/uploads\/sites\/3\/2025\/03\/cropped-cropped-viz-read-logo.png","width":1200,"height":1200,"caption":"Viz Read Traditional Chinese - AI, Software &amp; Digital Insights"},"image":{"@id":"https:\/\/www.viz-read.com\/tw\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.viz-read.com\/tw\/#\/schema\/person\/26e014daa5bbdc9b97114eee89cc3936","name":"vpadmin","image":{"@type":"ImageObject","inLanguage":"zh-TW","@id":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","caption":"vpadmin"},"sameAs":["https:\/\/www.viz-read.com"],"url":"https:\/\/www.viz-read.com\/tw\/author\/vpadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/posts\/1823","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/comments?post=1823"}],"version-history":[{"count":0,"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/posts\/1823\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/media\/1824"}],"wp:attachment":[{"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/media?parent=1823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/categories?post=1823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/tags?post=1823"},{"taxonomy":"asset-category","embeddable":true,"href":"https:\/\/www.viz-read.com\/tw\/wp-json\/wp\/v2\/asset-category?post=1823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}