{"id":6806,"date":"2026-02-06T01:22:00","date_gmt":"2026-02-05T17:22:00","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/cn\/mastering-er-modeling-a-step-by-step-guide-with-real-world-examples-part-3-of-5\/"},"modified":"2026-02-06T01:22:00","modified_gmt":"2026-02-05T17:22:00","slug":"mastering-er-modeling-a-step-by-step-guide-with-real-world-examples-part-3-of-5","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/cn\/mastering-er-modeling-a-step-by-step-guide-with-real-world-examples-part-3-of-5\/","title":{"rendered":"\u638c\u63e1ER\u5efa\u6a21\uff1a\u5305\u542b\u73b0\u5b9e\u4e16\u754c\u793a\u4f8b\u7684\u9010\u6b65\u6307\u5357\uff08\u7b2c3\u90e8\u5206\uff0c\u51715\u90e8\u5206\uff09"},"content":{"rendered":"<h2>\u95ee\u9898\u9648\u8ff0\uff1a\u533b\u9662\u7cfb\u7edf<\/h2>\n<p>\u76ee\u524d\uff0c\u8be5\u533b\u9662\u4f9d\u8d56\u7eb8\u8d28\u7cfb\u7edf\u6765\u7ba1\u7406\u60a3\u8005\u4fe1\u606f\u3001\u533b\u7597\u8bb0\u5f55\u548c\u8d26\u5355\u3002\u7eb8\u8d28\u7cfb\u7edf\u5b58\u5728\u8bf8\u591a\u5c40\u9650\u6027\uff0c\u5305\u62ec\u96be\u4ee5\u53ca\u65f6\u83b7\u53d6\u60a3\u8005\u4fe1\u606f\u3001\u6570\u636e\u4e22\u5931\u6216\u9519\u653e\u7684\u98ce\u9669\u589e\u52a0\uff0c\u4ee5\u53ca\u8d26\u5355\u548c\u533b\u7597\u8bb0\u5f55\u7ba1\u7406\u4e2d\u7684\u9519\u8bef\u3002\u56e0\u6b64\uff0c\u533b\u9662\u51b3\u5b9a\u5f00\u53d1\u4e00\u4e2a\u7535\u5b50\u5065\u5eb7\u8bb0\u5f55\u7cfb\u7edf\uff0c\u4ee5\u63d0\u9ad8\u5176\u8fd0\u8425\u7684\u6548\u7387\u548c\u51c6\u786e\u6027\u3002<\/p>\n<p>\u65b0\u7684\u7535\u5b50\u5065\u5eb7\u8bb0\u5f55\u7cfb\u7edf\u5e94\u80fd\u591f\u5b58\u50a8\u548c\u7ba1\u7406\u60a3\u8005\u7684\u4eba\u53e3\u7edf\u8ba1\u4fe1\u606f\u3001\u75c5\u53f2\u3001\u8bca\u65ad\u6d4b\u8bd5\u7ed3\u679c\u3001\u836f\u7269\u5904\u65b9\u548c\u8d26\u5355\u4fe1\u606f\u3002\u8be5\u7cfb\u7edf\u8fd8\u5e94\u80fd\u591f\u751f\u6210\u6709\u5173\u60a3\u8005\u62a4\u7406\u7684\u62a5\u544a\u548c\u5206\u6790\uff0c\u5305\u62ec\u60a3\u8005\u6cbb\u7597\u7ed3\u679c\u548c\u533b\u9662\u7ee9\u6548\u6307\u6807\u3002<\/p>\n<p>\u533b\u9662\u6709\u51e0\u4e2a\u90e8\u95e8\u9700\u8981\u8bbf\u95ee\u7535\u5b50\u5065\u5eb7\u8bb0\u5f55\u7cfb\u7edf\uff0c\u5305\u62ec\u62a4\u7406\u4eba\u5458\u3001\u533b\u751f\u3001\u5b9e\u9a8c\u5ba4\u4eba\u5458\u548c\u8d22\u52a1\u90e8\u95e8\u3002\u7cfb\u7edf\u5e94\u8bbe\u8ba1\u4e3a\u786e\u4fdd\u5404\u90e8\u95e8\u80fd\u591f\u83b7\u53d6\u6240\u9700\u4fe1\u606f\uff0c\u540c\u65f6\u4fdd\u6301\u60a3\u8005\u4fe1\u606f\u7684\u673a\u5bc6\u6027\u548c\u9690\u79c1\u6027\u3002<\/p>\n<p>\u533b\u9662\u8fd8\u8bc6\u522b\u51fa\u5728\u7535\u5b50\u5065\u5eb7\u8bb0\u5f55\u7cfb\u7edf\u8bbe\u8ba1\u4e2d\u9700\u8981\u89e3\u51b3\u7684\u51e0\u4e2a\u5173\u952e\u6311\u6218\u3002\u8fd9\u4e9b\u6311\u6218\u5305\u62ec\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u4e00\u81f4\u6027\u3001\u7ba1\u7406\u5927\u91cf\u60a3\u8005\u6570\u636e\u3001\u4e0e\u73b0\u6709\u533b\u9662\u7cfb\u7edf\u96c6\u6210\uff0c\u4ee5\u53ca\u786e\u4fdd\u60a3\u8005\u4fe1\u606f\u7684\u5b89\u5168\u6027\u548c\u9690\u79c1\u6027\u3002<\/p>\n<p>\u533b\u9662\u5df2\u5c06\u7535\u5b50\u5065\u5eb7\u8bb0\u5f55\u7cfb\u7edf\u7684\u5f00\u53d1\u548c\u5b9e\u65bd\u8bbe\u5b9a\u4e3a\u516d\u4e2a\u6708\u7684\u65f6\u95f4\u8868\u3002\u8be5\u7cfb\u7edf\u5e94\u8bbe\u8ba1\u4e3a\u53ef\u6269\u5c55\u4e14\u80fd\u591f\u9002\u5e94\u533b\u9662\u672a\u6765\u8fd0\u8425\u548c\u9700\u6c42\u7684\u53d8\u5316\u3002<\/p>\n<p>(<strong>* Visual Paradigm ERD\u793a\u4f8b\u754c\u9762\u622a\u56fe<\/strong>)<\/p>\n<p id=\"FUDWIXT\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-641\" decoding=\"async\" fetchpriority=\"high\" height=\"658\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/03\/img_64105852b1eca.png\" width=\"1170\"\/><\/p>\n<h2>\u5b9e\u4f53\u8bc6\u522b\u6b65\u9aa4\u6307\u5357\uff1a<\/h2>\n<ol>\n<li>\u4ed4\u7ec6\u9605\u8bfb\u95ee\u9898\u9648\u8ff0\uff0c\u8bc6\u522b\u4ee3\u8868\u5bf9\u8c61\u6216\u6982\u5ff5\u7684\u540d\u8bcd\u6216\u540d\u8bcd\u77ed\u8bed\u3002\u5728\u6b64\u60c5\u51b5\u4e0b\uff0c\u540d\u8bcd\u6216\u540d\u8bcd\u77ed\u8bed\u5305\u62ec\u201c\u533b\u9662\u201d\u3001\u201c\u7535\u5b50\u5065\u5eb7\u8bb0\u5f55\u7cfb\u7edf\u201d\u3001\u201c\u60a3\u8005\u4fe1\u606f\u201d\u3001\u201c\u533b\u7597\u8bb0\u5f55\u201d\u548c\u201c\u8d26\u5355\u201d\u3002<\/li>\n<li>\u5c06\u6bcf\u4e2a\u540d\u8bcd\u6216\u540d\u8bcd\u77ed\u8bed\u89c6\u4e3a\u6f5c\u5728\u7684\u5b9e\u4f53\uff0c\u5e76\u5224\u65ad\u5176\u662f\u5426\u4ee3\u8868\u95ee\u9898\u9886\u57df\u4e2d\u7684\u4e00\u4e2a\u72ec\u7acb\u5bf9\u8c61\u6216\u6982\u5ff5\u3002\u5728\u6b64\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u8bc6\u522b\u51fa\u7684\u540d\u8bcd\u6216\u540d\u8bcd\u77ed\u8bed\u90fd\u4ee3\u8868\u4e00\u4e2a\u9700\u8981\u7531\u7cfb\u7edf\u7ba1\u7406\u7684\u72ec\u7acb\u5bf9\u8c61\u6216\u6982\u5ff5\u3002<\/li>\n<li>\u786e\u5b9a\u6bcf\u4e2a\u5b9e\u4f53\u7684\u5c5e\u6027\u3002\u5c5e\u6027\u662f\u63cf\u8ff0\u5b9e\u4f53\u7684\u7279\u5f81\u6216\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u201c\u533b\u9662\u201d\u5b9e\u4f53\u53ef\u80fd\u5177\u6709\u540d\u79f0\u3001\u4f4d\u7f6e\u548c\u89c4\u6a21\u7b49\u5c5e\u6027\u3002\u201c\u60a3\u8005\u4fe1\u606f\u201d\u5b9e\u4f53\u53ef\u80fd\u5177\u6709\u59d3\u540d\u3001\u51fa\u751f\u65e5\u671f\u548c\u8054\u7cfb\u65b9\u5f0f\u7b49\u5c5e\u6027\u3002\u201c\u533b\u7597\u8bb0\u5f55\u201d\u5b9e\u4f53\u53ef\u80fd\u5177\u6709\u8bca\u65ad\u3001\u6cbb\u7597\u65b9\u6848\u548c\u7528\u836f\u53f2\u7b49\u5c5e\u6027\u3002<\/li>\n<li>\u8bc6\u522b\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5173\u7cfb\u662f\u5b9e\u4f53\u4e4b\u95f4\u7684\u8fde\u63a5\u6216\u5173\u8054\u3002\u4f8b\u5982\uff0c\u201c\u60a3\u8005\u4fe1\u606f\u201d\u5b9e\u4f53\u53ef\u80fd\u4e0e\u201c\u533b\u7597\u8bb0\u5f55\u201d\u5b9e\u4f53\u5b58\u5728\u5173\u7cfb\uff0c\u56e0\u4e3a\u6bcf\u4f4d\u60a3\u8005\u7684\u533b\u7597\u8bb0\u5f55\u90fd\u5c06\u4e0e\u5176\u4e2a\u4eba\u4fe1\u606f\u76f8\u5173\u8054\u3002<\/li>\n<li>\u6839\u636e\u9886\u57df\u4e13\u5bb6\u548c\u5229\u76ca\u76f8\u5173\u8005\u7684\u53cd\u9988\uff0c\u4f18\u5316\u5b9e\u4f53\u548c\u5173\u7cfb\uff0c\u5e76\u76f8\u5e94\u8c03\u6574ER\u56fe\u3002<\/li>\n<\/ol>\n<p>\u901a\u8fc7\u9075\u5faa\u6b64\u9010\u6b65\u6307\u5357\uff0c\u60a8\u5e94\u8be5\u80fd\u591f\u8bc6\u522b\u51fa\u521b\u5efa\u51c6\u786e\u53cd\u6620\u533b\u9662\u7535\u5b50\u5065\u5eb7\u8bb0\u5f55\u7cfb\u7edf\u7684ER\u56fe\u6240\u9700\u7684\u5b9e\u4f53\u548c\u5173\u7cfb\u3002<\/p>\n<h2>\u4e3a\u6570\u636e\u5e93\u5f00\u53d1\u903b\u8f91ER\u56fe<\/h2>\n<p>\u5047\u8bbe\u533b\u9662\u9700\u8981\u5b58\u50a8\u548c\u7ba1\u7406\u60a3\u8005\u7684\u4eba\u53e3\u7edf\u8ba1\u4fe1\u606f\u3001\u75c5\u53f2\u3001\u8bca\u65ad\u6d4b\u8bd5\u7ed3\u679c\u3001\u836f\u7269\u5904\u65b9\u548c\u8d26\u5355\u4fe1\u606f\uff0c\u4ee5\u4e0b\u5b9e\u4f53\u548c\u5173\u7cfb\u53ef\u80fd\u5b58\u5728\u4e8e\u903b\u8f91ER\u56fe\u4e2d\uff1a<\/p>\n<p><strong>\u5b9e\u4f53\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u60a3\u8005\uff1a<\/strong>\u5b58\u50a8\u60a3\u8005\u7684\u4eba\u53e3\u7edf\u8ba1\u4fe1\u606f\uff0c\u5982\u59d3\u540d\u3001\u51fa\u751f\u65e5\u671f\u3001\u6027\u522b\u3001\u8054\u7cfb\u65b9\u5f0f\u7b49\u3002<\/li>\n<li><strong>\u75c5\u53f2\uff1a<\/strong>\u5b58\u50a8\u60a3\u8005\u75c5\u53f2\uff0c\u5305\u62ec\u75be\u75c5\u72b6\u51b5\u3001\u8fc7\u654f\u53f2\u3001\u624b\u672f\u8bb0\u5f55\u548c\u6cbb\u7597\u4fe1\u606f\u3002<\/li>\n<li><strong>\u8bca\u65ad\u6d4b\u8bd5\u7ed3\u679c\uff1a<\/strong>\u5b58\u50a8\u5bf9\u60a3\u8005\u8fdb\u884c\u7684\u8bca\u65ad\u6d4b\u8bd5\u7ed3\u679c\uff0c\u5982\u8840\u6db2\u68c0\u67e5\u3001X\u5149\u3001\u6838\u78c1\u5171\u632f\u7b49\u3002<\/li>\n<li><strong>\u836f\u7269\uff1a<\/strong>\u5b58\u50a8\u60a3\u8005\u6240\u5f00\u836f\u7269\u7684\u4fe1\u606f\uff0c\u5982\u540d\u79f0\u3001\u5242\u91cf\u3001\u9891\u7387\u548c\u6301\u7eed\u65f6\u95f4\u3002<\/li>\n<li><strong>\u8d26\u5355\uff1a<\/strong>\u5b58\u50a8\u533b\u9662\u6536\u8d39\u4fe1\u606f\u4ee5\u53ca\u60a3\u8005\u6216\u4fdd\u9669\u516c\u53f8\u652f\u4ed8\u7684\u6b3e\u9879\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<p><strong>\u5173\u7cfb\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e00\u4f4d\u60a3\u8005\u53ef\u80fd\u62e5\u6709\u591a\u4e2a\u75c5\u53f2\u3001\u8bca\u65ad\u68c0\u9a8c\u7ed3\u679c\u548c\u5f00\u5177\u7684\u836f\u7269\u3002\u56e0\u6b64\uff0c\u60a3\u8005\u4e0e\u75c5\u53f2\u3001\u8bca\u65ad\u68c0\u9a8c\u7ed3\u679c\u548c\u836f\u7269\u5b9e\u4f53\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\u3002<\/li>\n<li>\u4e00\u4e2a\u8bca\u65ad\u68c0\u9a8c\u7ed3\u679c\u53ea\u80fd\u5c5e\u4e8e\u4e00\u4f4d\u60a3\u8005\u3002\u56e0\u6b64\uff0c\u60a3\u8005\u4e0e\u8bca\u65ad\u68c0\u9a8c\u7ed3\u679c\u5b9e\u4f53\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\u3002<\/li>\n<li>\u4e00\u79cd\u836f\u7269\u53ea\u80fd\u88ab\u5f00\u5177\u7ed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alt=\"Hospital System Logical ERD\" class=\"alignnone size-full wp-image-1046\" decoding=\"async\" height=\"442\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/03\/hospital-system-logical-erd.png\" 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alt=\"Hospital System Physical ERD\" class=\"alignnone size-full wp-image-1047\" decoding=\"async\" height=\"456\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/03\/hospital-system-physical-erd.png\" 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