{"id":9852,"date":"2025-01-10T14:48:15","date_gmt":"2025-01-10T06:48:15","guid":{"rendered":"https:\/\/www.cybermedian.com\/cn\/entity-relationship-diagrams-erds-a-comprehensive-guide\/"},"modified":"2026-04-14T11:07:55","modified_gmt":"2026-04-14T11:07:55","slug":"entity-relationship-diagrams-erds-a-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/cn\/entity-relationship-diagrams-erds-a-comprehensive-guide\/","title":{"rendered":"\u5b9e\u4f53-\u5173\u7cfb\u56fe\uff08ERDs\uff09\uff1a\u5168\u9762\u6307\u5357"},"content":{"rendered":"<h2>\u5f15\u8a00<\/h2>\n<p>\u5b9e\u4f53-\u5173\u7cfb\u56fe\uff08<a 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alt=\"Entity Relationship Diagram: Movie Rental System\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/8d0b0c2d-1963-4997-b95a-aca38976851a\/entity-relationship-diagram-design\/entity-relationship-diagram-movie-rental-system.png\"\/><\/p>\n<h3>\u5b9e\u4f53\u4e0e\u5c5e\u6027<\/h3>\n<ol>\n<li><strong>\u7535\u5f71<\/strong>\uff1a\u8868\u793a\u53ef\u4f9b\u79df\u8d41\u7684\u7535\u5f71\u3002\n<ul>\n<li>\u5c5e\u6027\uff1a\u7535\u5f71ID\u3001\u7247\u540d\u3001\u63cf\u8ff0\u3001\u4e0a\u6620\u5e74\u4efd\u3001\u79df\u8d41\u65f6\u957f\u3001\u79df\u8d41\u8d39\u7387\u3001\u65f6\u957f\u3001\u66ff\u6362\u6210\u672c\u3001\u8bc4\u5206\u3001\u7279\u6b8a\u529f\u80fd\u3001\u5168\u6587<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7c7b\u522b<\/strong>\uff1a\u8868\u793a\u7535\u5f71\u7684\u7c7b\u578b\u6216\u7c7b\u522b\u3002\n<ul>\n<li>\u5c5e\u6027\uff1a\u7c7b\u522bID\u3001\u540d\u79f0<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7535\u5f71\u7c7b\u522b<\/strong>\uff1a\u8868\u793a\u7535\u5f71\u4e0e\u7c7b\u522b\u4e4b\u95f4\u7684\u591a\u5bf9\u591a\u5173\u7cfb\u3002\n<ul>\n<li>\u5c5e\u6027\uff1a\u7535\u5f71ID\u3001\u7c7b\u522bID<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8bed\u8a00<\/strong>\uff1a\u8868\u793a\u7535\u5f71\u53ef\u63d0\u4f9b\u7684\u8bed\u8a00\u3002\n<ul>\n<li>\u5c5e\u6027\uff1a\u8bed\u8a00ID\uff0c\u540d\u79f0<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6f14\u5458<\/strong>: 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