{"id":1732,"date":"2026-03-25T09:46:44","date_gmt":"2026-03-25T09:46:44","guid":{"rendered":"https:\/\/www.viz-read.com\/cn\/hidden-logic-behind-erd-database-design\/"},"modified":"2026-03-25T09:46:44","modified_gmt":"2026-03-25T09:46:44","slug":"hidden-logic-behind-erd-database-design","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/cn\/hidden-logic-behind-erd-database-design\/","title":{"rendered":"ERD \u80cc\u540e\u7684\u9690\u85cf\u903b\u8f91\uff1a\u4e3a\u4f55\u4f60\u7684\u6570\u636e\u5e93\u8bbe\u8ba1\u4ece\u8fd9\u91cc\u5f00\u59cb"},"content":{"rendered":"<p>\u6784\u5efa\u4e00\u4e2a\u5065\u58ee\u7684\u4fe1\u606f\u7cfb\u7edf\uff0c\u5173\u952e\u5728\u4e8e\u7406\u89e3\u7ed3\u6784\uff0c\u800c\u975e\u4ec5\u4ec5\u7f16\u5199\u4ee3\u7801\u3002\u5728\u8fd0\u884c\u7b2c\u4e00\u884c\u811a\u672c\u3001\u521b\u5efa\u7b2c\u4e00\u5f20\u8868\u4e4b\u524d\uff0c\u5fc5\u987b\u5148\u5960\u5b9a\u575a\u5b9e\u7684\u57fa\u7840\u3002\u8fd9\u4e2a\u57fa\u7840\u5c31\u662f\u5b9e\u4f53 &#8211; \u5173\u7cfb\u56fe\uff08Entity-Relationship Diagram\uff09\uff0c\u901a\u5e38\u7b80\u79f0\u4e3a ERD\u3002\ud83c\udfd7\ufe0f \u5b83\u4e0d\u4ec5\u4ec5\u662f\u4e00\u5f20\u56fe\uff0c\u66f4\u662f\u51b3\u5b9a\u6570\u636e\u5982\u4f55\u6d41\u52a8\u3001\u8fde\u63a5\u548c\u6301\u4e45\u5316\u7684\u903b\u8f91\u84dd\u56fe\u3002\u8bb8\u591a\u5f00\u53d1\u8005\u6025\u4e8e\u8df3\u8fc7\u8fd9\u4e00\u9636\u6bb5\uff0c\u5c06\u5176\u89c6\u4e3a\u4e00\u79cd\u5f62\u5f0f\u3002\u8fd9\u662f\u4e00\u4e2a\u5173\u952e\u9519\u8bef\u3002ERD \u4e2d\u9690\u85cf\u7684\u903b\u8f91\u51b3\u5b9a\u4e86\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3001\u53ef\u6269\u5c55\u6027\u548c\u6570\u636e\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u672c\u6307\u5357\u5c06\u6df1\u5165\u63a2\u8ba8\u6570\u636e\u5e93\u5efa\u6a21\u7684\u57fa\u672c\u673a\u5236\u3002\u6211\u4eec\u5c06\u8d85\u8d8a\u7b80\u5355\u7684\u5b9a\u4e49\uff0c\u53bb\u7406\u89e3\u652f\u914d\u6570\u636e\u5173\u7cfb\u7684\u5e95\u5c42\u903b\u8f91\u3002\u5230\u7ed3\u675f\u65f6\uff0c\u4f60\u5c06\u660e\u767d\uff0c\u4ece\u8fd9\u91cc\u5f00\u59cb\u4e0d\u4ec5\u662f\u4e00\u79cd\u5efa\u8bae\uff0c\u66f4\u662f\u4efb\u4f55\u4e25\u8083\u6280\u672f\u5de5\u4f5c\u7684\u5fc5\u8981\u6761\u4ef6\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Chibi-style infographic explaining Entity-Relationship Diagram (ERD) fundamentals for database design, featuring cute characters illustrating entities, attributes, relationships, cardinality types (1:1, 1:N, M:N), normalization forms, and best practices for building scalable database architectures\" 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\u4e48\u662f ERD\uff0c\u5b83\u4e3a\u4f55\u91cd\u8981\uff1f<\/h2>\n<p>\u5b9e\u4f53 &#8211; \u5173\u7cfb\u56fe\uff08ERD\uff09\u662f\u6570\u636e\u5e93\u7ed3\u6784\u7684\u53ef\u89c6\u5316\u8868\u793a\u3002\u5b83\u63cf\u7ed8\u4e86\u5b9e\u4f53\uff08\u5bf9\u8c61\u6216\u6982\u5ff5\uff09\u53ca\u5176\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u867d\u7136\u770b\u4f3c\u7b80\u5355\uff0c\u4f46\u5176\u6df1\u5ea6\u5728\u4e8e\u8fd9\u4e9b\u6620\u5c04\u7684\u7cbe\u786e\u6027\u3002\ud83d\udcca<\/p>\n<p>\u8bd5\u60f3\u53e6\u4e00\u79cd\u60c5\u51b5\uff1a\u5728\u6ca1\u6709\u8ba1\u5212\u7684\u60c5\u51b5\u4e0b\u521b\u5efa\u8868\u3002\u4f60\u53ef\u80fd\u4f1a\u521b\u5efa\u4e00\u5f20<strong>\u7528\u6237<\/strong>\u8868\u548c\u4e00\u5f20<strong>\u8ba2\u5355<\/strong>\u8868\u3002\u4f46\u5b83\u4eec\u5982\u4f55\u5173\u8054\uff1f\u5982\u679c\u7528\u6237\u6ca1\u6709\u4e0b\u8ba2\u5355\u600e\u4e48\u529e\uff1f\u5982\u679c\u4e00\u4e2a\u8ba2\u5355\u9700\u8981\u5c5e\u4e8e\u591a\u4e2a\u7528\u6237\u5462\uff1f\u5982\u679c\u6ca1\u6709\u56fe\u8868\uff0c\u8fd9\u4e9b\u95ee\u9898\u53ea\u80fd\u901a\u8fc7\u8bd5\u9519\u6765\u89e3\u7b54\uff0c\u5f80\u5f80\u4f1a\u5bfc\u81f4\u6570\u636e\u5197\u4f59\u6216\u5b8c\u6574\u6027\u95ee\u9898\u3002<\/p>\n<h3>\u6838\u5fc3\u7ec4\u4ef6<\/h3>\n<p>\u8981\u7406\u89e3\u5176\u903b\u8f91\uff0c\u6211\u4eec\u5fc5\u987b\u5256\u6790\u8be5\u56fe\u7684\u7ed3\u6784\u3002\u6bcf\u4e2a ERD \u90fd\u5efa\u7acb\u5728\u4e09\u5927\u652f\u67f1\u4e4b\u4e0a\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u5b9e\u4f53\uff1a<\/strong>\u5b83\u4eec\u4ee3\u8868\u7cfb\u7edf\u4e2d\u7684\u540d\u8bcd\u3002\u5728\u56fe\u4e66\u9986\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u4e9b\u53ef\u80fd\u662f<em>\u56fe\u4e66<\/em>, <em>\u4f5c\u8005<\/em>\u548c<em>\u4f1a\u5458<\/em>\u3002\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u5b83\u4eec\u76f4\u63a5\u5bf9\u5e94\u4e3a\u8868\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5c5e\u6027\uff1a<\/strong>\u5b83\u4eec\u662f\u63cf\u8ff0\u5b9e\u4f53\u7684\u5c5e\u6027\u3002\u5bf9\u4e8e\u4e00\u672c<em>\u56fe\u4e66<\/em>\uff0c\u5c5e\u6027\u5305\u62ec<em>\u6807\u9898<\/em>, <em>ISBN<\/em>\u548c<em>\u51fa\u7248\u65e5\u671f<\/em>\u3002\u5b83\u4eec\u5c06\u6210\u4e3a\u8868\u4e2d\u7684\u5217\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5173\u7cfb\uff1a<\/strong>\u8fd9\u4e9b\u5b9a\u4e49\u4e86\u5b9e\u4f53\u4e4b\u95f4\u5982\u4f55\u4ea4\u4e92\u3002\u903b\u8f91\u5c31\u5b58\u5728\u4e8e\u8fd9\u91cc\u3002\u5b83\u6307\u5b9a\u4e86\u8fde\u63a5\u7684\u57fa\u6570\u548c\u7ea6\u675f\u6761\u4ef6\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u2699\ufe0f \u57fa\u6570\u7684\u903b\u8f91<\/h2>\n<p>\u57fa\u6570\u662f\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\u6700\u5bb9\u6613\u88ab\u8bef\u89e3\u7684\u6982\u5ff5\u3002\u5b83\u4e0d\u4ec5\u4ec5\u662f\u5173\u4e8e\u6570\u5b57\uff1b\u5b83\u5173\u4e4e\u89c4\u5219\u3002\ud83d\udccf \u5b83\u56de\u7b54\u7684\u95ee\u9898\u662f\uff1a\u201c\u4e00\u4e2a\u5b9e\u4f53\u7684\u591a\u5c11\u4e2a\u5b9e\u4f8b\u4e0e\u53e6\u4e00\u4e2a\u5b9e\u4f53\u7684\u5b9e\u4f8b\u76f8\u5173\u8054\uff1f\u201d<\/p>\n<p>\u6709\u4e09\u79cd\u4e3b\u8981\u7c7b\u578b\u7684\u5173\u7cfb\u5b9a\u4e49\u4e86\u60a8\u6570\u636e\u7684\u7ed3\u6784\uff1a<\/p>\n<h3>1. \u4e00\u5bf9\u4e00\uff081:1\uff09<\/h3>\n<p>\u5f53\u4e00\u4e2a\u5b9e\u4f53\u7684\u4e00\u4e2a\u5b9e\u4f8b\u4e0e\u53e6\u4e00\u4e2a\u5b9e\u4f53\u7684\u4e00\u4e2a\u5b9e\u4f8b\u7cbe\u786e\u5173\u8054\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u8fd9\u79cd\u5173\u7cfb\u3002\u8fd9\u79cd\u60c5\u51b5\u8f83\u4e3a\u7f55\u89c1\uff0c\u4f46\u4e3a\u6ee1\u8db3\u7279\u5b9a\u7684\u903b\u8f91\u9700\u6c42\u800c\u5b58\u5728\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u793a\u4f8b\uff1a<\/strong>\u4e00\u4e2a<em>\u4eba<\/em>\u548c\u4e00\u5f20<em>\u62a4\u7167<\/em>\u3002\u4e00\u4e2a\u4eba\u62e5\u6709\u4e00\u672c\u62a4\u7167\u3002\u4e00\u672c\u62a4\u7167\u5c5e\u4e8e\u4e00\u4e2a\u4eba\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b9e\u73b0\u903b\u8f91\uff1a<\/strong>\u60a8\u901a\u5e38\u5c06\u8fd9\u4e9b\u5408\u5e76\u4e3a\u5355\u4e2a\u8868\uff0c\u6216\u8005\u5728\u4e00\u4e2a\u8868\u4e2d\u4f7f\u7528\u5916\u952e\u6765\u5f15\u7528\u53e6\u4e00\u4e2a\u8868\u7684\u4e3b\u952e\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>2. \u4e00\u5bf9\u591a\uff081:N\uff09<\/h3>\n<p>\u8fd9\u662f\u6570\u636e\u5efa\u6a21\u4e2d\u6700\u5e38\u89c1\u7684\u5173\u7cfb\u3002\u4e00\u4e2a\u5b9e\u4f53\u53ef\u4ee5\u4e0e\u591a\u4e2a\u53e6\u4e00\u4e2a\u5b9e\u4f53\u7684\u5b9e\u4f8b\u76f8\u5173\u8054\uff0c\u4f46\u53cd\u4e4b\u5219\u4e0d\u6210\u7acb\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u793a\u4f8b\uff1a<\/strong>\u4e00\u4e2a<em>\u5ba2\u6237<\/em>\u548c\u4e00\u5f20<em>\u8ba2\u5355<\/em>\u3002\u4e00\u4e2a\u5ba2\u6237\u53ef\u4ee5\u4e0b\u591a\u4e2a\u8ba2\u5355\u3002\u7136\u800c\uff0c\u4e00\u4e2a\u8ba2\u5355\u4ec5\u5c5e\u4e8e\u4e00\u4e2a\u5ba2\u6237\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b9e\u73b0\u903b\u8f91\uff1a<\/strong>\u5916\u952e\u4f4d\u4e8e\u201c\u591a\u201d\u7684\u4e00\u4fa7\uff08\u5373<em>\u8ba2\u5355<\/em>\u8868\uff09\uff0c\u4ee5\u5f15\u7528\u201c\u4e00\u201d\u7684\u4e00\u4fa7\uff08\u5373<em>\u5ba2\u6237<\/em>\u8868\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>3. \u591a\u5bf9\u591a\uff08M:N\uff09<\/h3>\n<p>\u8fd9\u79cd\u5173\u7cfb\u8868\u660e\uff0c\u4e00\u4e2a\u5b9e\u4f53\u7684\u5b9e\u4f8b\u53ef\u4ee5\u4e0e\u53e6\u4e00\u4e2a\u5b9e\u4f53\u7684\u591a\u4e2a\u5b9e\u4f8b\u76f8\u5173\u8054\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u793a\u4f8b\uff1a<\/strong> <em>\u5b66\u751f<\/em> \u548c <em>\u8bfe\u7a0b<\/em>\u3002\u4e00\u540d\u5b66\u751f\u53ef\u4ee5\u9009\u4fee\u591a\u95e8\u8bfe\u7a0b\u3002\u4e00\u95e8\u8bfe\u7a0b\u53ef\u4ee5\u6709\u591a\u540d\u5b66\u751f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b9e\u73b0\u903b\u8f91\uff1a<\/strong> \u8fd9\u65e0\u6cd5\u76f4\u63a5\u5728\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u5b9e\u73b0\u3002\u5b83\u9700\u8981\u4e00\u4e2a <strong>\u8fde\u63a5\u8868<\/strong>\uff08\u6216\u5173\u8054\u5b9e\u4f53\uff09\u5c06\u8be5\u5173\u7cfb\u62c6\u5206\u4e3a\u4e24\u4e2a\u4e00\u5bf9\u591a\u5173\u7cfb\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>\u5173\u7cfb\u7c7b\u578b<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u903b\u8f91\u63cf\u8ff0<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u6570\u636e\u5e93\u5b9e\u73b0<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p>\u793a\u4f8b\u573a\u666f<\/p>\n<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e00\u5bf9\u4e00\uff081:1\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5355\u4e2a\u5b9e\u4f8b\u94fe\u63a5\u5230\u5355\u4e2a\u5b9e\u4f8b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4efb\u4e00\u4fa7\u7684\u5916\u952e<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5458\u5de5 \u2194 \u529e\u516c\u5ba4\u5206\u914d<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u4e00\u5bf9\u591a\uff081:N\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u5355\u4e2a\u5b9e\u4f8b\u94fe\u63a5\u5230\u591a\u4e2a\u5b9e\u4f8b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u201c\u591a\u201d\u4fa7\u7684\u5916\u952e<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u90e8\u95e8 \u2194 \u5458\u5de5<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u591a\u5bf9\u591a\uff08M:N\uff09<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u591a\u4e2a\u5b9e\u4f8b\u94fe\u63a5\u5230\u591a\u4e2a\u5b9e\u4f8b<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u9700\u8981\u8fde\u63a5\u8868\/\u5173\u8054\u8868<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p>\u6559\u5e08 \u2194 \u79d1\u76ee<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udd17 \u7406\u89e3\u5173\u7cfb\u4e0e\u7ea6\u675f<\/h2>\n<p>\u5173\u7cfb\u4e0d\u4ec5\u4ec5\u662f\u56fe\u8868\u4e0a\u7684\u7ebf\u6761\uff1b\u5b83\u4eec\u4ee3\u8868\u4e1a\u52a1\u89c4\u5219\u3002\u5982\u679c\u5728\u8bbe\u8ba1\u4e2d\u8fdd\u53cd\u8fd9\u4e9b\u89c4\u5219\uff0c\u6570\u636e\u5c06\u53d8\u5f97\u4e0d\u53ef\u9760\u3002\u8fd9\u6b63\u662f\u201c\u57fa\u6570\u7ea6\u675f\u201d\u6982\u5ff5\u53d1\u6325\u4f5c\u7528\u7684\u5730\u65b9\u3002<strong>\u57fa\u6570\u7ea6\u675f<\/strong>\u5f00\u59cb\u53d1\u6325\u4f5c\u7528\u3002<\/p>\n<h3>\u53c2\u4e0e\u7ea6\u675f<\/h3>\n<p>\u8fd9\u4e9b\u7ea6\u675f\u5b9a\u4e49\u4e86\u5b9e\u4f53\u662f\u5426\u5fc5\u987b\u53c2\u4e0e\u67d0\u79cd\u5173\u7cfb\u3002\u5728\u56fe\u8868\u4e2d\uff0c\u8fd9\u901a\u5e38\u7528\u53cc\u7ebf\u6765\u8868\u793a\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u5b8c\u5168\u53c2\u4e0e\uff1a<\/strong>\u5b9e\u4f53 A \u7684\u6bcf\u4e2a\u5b9e\u4f8b\u90fd\u5fc5\u987b\u4e0e\u5b9e\u4f53 B \u7684\u67d0\u4e2a\u5b9e\u4f8b\u76f8\u5173\u8054\u3002\uff08\u4f8b\u5982\uff1a\u6bcf\u4e2a\u8ba2\u5355\u90fd\u5fc5\u987b\u5bf9\u5e94\u4e00\u4e2a\u5ba2\u6237\u3002\uff09<\/p>\n<\/li>\n<li>\n<p><strong>\u90e8\u5206\u53c2\u4e0e\uff1a<\/strong>\u5b9e\u4f53 A \u7684\u67d0\u4e2a\u5b9e\u4f8b\u53ef\u80fd\u4e0e\u5b9e\u4f53 B \u76f8\u5173\u8054\uff0c\u4e5f\u53ef\u80fd\u4e0d\u76f8\u5173\u8054\u3002\uff08\u4f8b\u5982\uff1a\u67d0\u4e2a\u5ba2\u6237\u53ef\u80fd\u6709\u4fe1\u7528\u5361\uff0c\u4e5f\u53ef\u80fd\u6ca1\u6709\u3002\uff09<\/p>\n<\/li>\n<\/ul>\n<h3>\u53c2\u7167\u5b8c\u6574\u6027<\/h3>\n<p>\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u5f3a\u5236\u6267\u884c\u53c2\u7167\u5b8c\u6574\u6027\u3002\u8fd9\u786e\u4fdd\u60a8\u65e0\u6cd5\u4e3a\u4e0d\u5b58\u5728\u7684\u5ba2\u6237\u521b\u5efa\u8ba2\u5355\u3002\u5916\u952e\u7ea6\u675f\u5145\u5f53\u5b88\u95e8\u5458\uff0c\u9632\u6b62\u51fa\u73b0\u5b64\u7acb\u8bb0\u5f55\u3002\u8fd9\u79cd\u903b\u8f91\u5bf9\u4e8e\u968f\u65f6\u95f4\u4fdd\u6301\u6570\u636e\u4e00\u81f4\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2>\ud83e\uddf1 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\u5ffd\u89c6\u591a\u5bf9\u591a\u5173\u7cfb\u7684\u73b0\u5b9e<\/h3>\n<p>\u8bd5\u56fe\u5c06\u591a\u5bf9\u591a\u5173\u7cfb\u76f4\u63a5\u5f3a\u5236\u6620\u5c04\u5230\u5355\u4e2a\u8868\u4e2d\u662f\u4e00\u79cd\u903b\u8f91\u8c2c\u8bef\u3002\u8fd9\u4f1a\u5bfc\u81f4\u6570\u636e\u91cd\u590d\u548c\u6b67\u4e49\u3002\u5bf9\u4e8e\u591a\u5bf9\u591a\u5173\u7cfb\uff0c\u59cb\u7ec8\u5e94\u4f7f\u7528\u5173\u8054\u5b9e\u4f53\u3002<\/p>\n<h3>2. \u8fc7\u5ea6\u89c4\u8303\u5316<\/h3>\n<p>\u867d\u7136\u89c4\u8303\u5316\u662f\u6709\u76ca\u7684\uff0c\u4f46\u8fc7\u5ea6\u89c4\u8303\u5316\u4f1a\u8fc7\u4e8e\u6fc0\u8fdb\u5730\u788e\u7247\u5316\u6570\u636e\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u590d\u6742\u7684\u8fde\u63a5\u64cd\u4f5c\uff0c\u4ece\u800c\u964d\u4f4e\u67e5\u8be2\u6027\u80fd\u3002\u5b9e\u4f53\u5173\u7cfb\u56fe\uff08ERD\uff09\u5fc5\u987b\u5728\u903b\u8f91\u7eaf\u7cb9\u6027\u4e0e\u7269\u7406\u6027\u80fd\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n<h3>3. \u547d\u540d\u7ea6\u5b9a\u6a21\u7cca<\/h3>\n<p>\u8bf8\u5982\u201c<em>\u88681<\/em>&#8220;\u6216\u201c<em>\u5b57\u6bb51<\/em>&#8220;\u4e0d\u63d0\u4f9b\u4efb\u4f55\u4e0a\u4e0b\u6587\u3002\u5b9e\u4f53\u5173\u7cfb\u56fe\u4f9d\u8d56\u6e05\u6670\u7684\u547d\u540d\u6765\u4f20\u8fbe\u903b\u8f91\u3002\u8bf7\u4f7f\u7528\u80fd\u53cd\u6620\u4e1a\u52a1\u9886\u57df\u7684\u63cf\u8ff0\u6027\u540d\u79f0\u3002<\/p>\n<h3>4. \u7f3a\u5931\u5c5e\u6027<\/h3>\n<p>\u8bbe\u8ba1\u8005\u5f80\u5f80\u4e13\u6ce8\u4e8e\u5173\u7cfb\u800c\u5ffd\u7565\u5c5e\u6027\u3002\u6ca1\u6709\u5c5e\u6027\u7684\u8868\u53ea\u662f\u4e00\u4e2a\u5bb9\u5668\u3002\u786e\u4fdd\u6bcf\u4e2a\u5b9e\u4f53\u90fd\u5177\u5907\u72ec\u7acb\u8fd0\u884c\u6240\u9700\u7684\u5fc5\u8981\u6570\u636e\u70b9\u3002<\/p>\n<h2>\u2705 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