{"id":6760,"date":"2026-02-05T23:04:29","date_gmt":"2026-02-05T15:04:29","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/tw\/building-an-online-bookstore-data-modeling-with-erd-and-dbml\/"},"modified":"2026-02-05T23:04:29","modified_gmt":"2026-02-05T15:04:29","slug":"building-an-online-bookstore-data-modeling-with-erd-and-dbml","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/tw\/building-an-online-bookstore-data-modeling-with-erd-and-dbml\/","title":{"rendered":"\u5efa\u7acb\u7dda\u4e0a\u66f8\u5e97\uff1a\u4f7f\u7528ERD\u548cDBML\u9032\u884c\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08"},"content":{"rendered":"<p>\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08\u662f\u5efa\u7acb\u8cc7\u6599\u5eab\u4e2d\u8cc7\u6599\u53ca\u5176\u95dc\u4fc2\u7684\u8996\u89ba\u5316\u8868\u793a\u7684\u904e\u7a0b\u3002\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08\u4e2d\u6700\u5e38\u4f7f\u7528\u7684\u5de5\u5177\u4e4b\u4e00\u662f\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\uff0c\u5b83\u4f7f\u7528\u5716\u5f62\u7b26\u865f\u4f86\u8868\u793a\u5be6\u9ad4\u3001\u5c6c\u6027\u8207\u95dc\u4fc2\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u4f7f\u7528ERD\u9032\u884c\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08\u7684\u904e\u7a0b\uff0c\u4e26\u63d0\u4f9b\u5be6\u969b\u61c9\u7528\u5834\u666f\u4e2d\u7684\u7bc4\u4f8b\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09\uff1f<\/h2>\n<p>ERD\u662f\u5be6\u9ad4\u3001\u5176\u5c6c\u6027\u4ee5\u53ca\u5f7c\u6b64\u4e4b\u9593\u95dc\u4fc2\u7684\u5716\u5f62\u5316\u8868\u793a\u3002\u5be6\u9ad4\u662f\u8cc7\u6599\u5eab\u4e2d\u6240\u4ee3\u8868\u7684\u7269\u4ef6\u6216\u6982\u5ff5\uff0c\u4f8b\u5982\u5ba2\u6236\u3001\u8a02\u55ae\u6216\u7522\u54c1\u3002\u5c6c\u6027\u662f\u5be6\u9ad4\u7684\u7279\u5fb5\u6216\u6027\u8cea\uff0c\u4f8b\u5982\u59d3\u540d\u3001\u5730\u5740\u6216\u50f9\u683c\u3002\u95dc\u4fc2\u662f\u5be6\u9ad4\u4e4b\u9593\u7684\u95dc\u806f\uff0c\u4f8b\u5982\u5ba2\u6236\u4e0b\u8a02\u55ae\u3002<\/p>\n<h3>ERD\u901a\u5e38\u7531\u4ee5\u4e0b\u5143\u4ef6\u7d44\u6210\uff1a<\/h3>\n<ol>\n<li>\u5be6\u9ad4\uff1a\u4ee5\u77e9\u5f62\u8868\u793a\uff0c\u5be6\u9ad4\u540d\u7a31\u5beb\u5728\u5167\u90e8\u3002<\/li>\n<li>\u5c6c\u6027\uff1a\u4ee5\u6a62\u5713\u8868\u793a\uff0c\u4e26\u4ee5\u7dda\u9023\u63a5\u5230\u5176\u6240\u5c6c\u7684\u5be6\u9ad4\u3002<\/li>\n<li>\u95dc\u4fc2\uff1a\u4ee5\u83f1\u5f62\u8868\u793a\uff0c\u9023\u63a5\u5be6\u9ad4\u3002<\/li>\n<\/ol>\n<p>\u5be6\u9ad4\u4e4b\u9593\u53ef\u80fd\u5b58\u5728\u7684\u4e09\u7a2e\u95dc\u4fc2\u985e\u578b\u70ba\uff1a<\/p>\n<ol>\n<li>\u4e00\u5bf9\u4e00\uff081:1\uff09\uff1a\u4e00\u500b\u5be6\u9ad4\u7684\u5be6\u4f8b\u8207\u53e6\u4e00\u500b\u5be6\u9ad4\u7684\u55ae\u4e00\u5be6\u4f8b\u76f8\u95dc\u806f\u3002<\/li>\n<li>\u4e00\u5bf9\u591a\uff081:N\uff09\uff1a\u4e00\u500b\u5be6\u9ad4\u7684\u5be6\u4f8b\u8207\u53e6\u4e00\u500b\u5be6\u9ad4\u7684\u591a\u500b\u5be6\u4f8b\u76f8\u95dc\u806f\u3002<\/li>\n<li>\u591a\u5c0d\u591a\uff08N:M\uff09\uff1a\u4e00\u500b\u5be6\u9ad4\u7684\u591a\u500b\u5be6\u4f8b\u8207\u53e6\u4e00\u500b\u5be6\u9ad4\u7684\u591a\u500b\u5be6\u4f8b\u76f8\u95dc\u806f\u3002<\/li>\n<\/ol>\n<h2>\u4f7f\u7528ERD\u9032\u884c\u8cc7\u6599\u6a21\u578b\u8a2d\u8a08\u7684\u7bc4\u4f8b<\/h2>\n<p>\u8b93\u6211\u5011\u8003\u616e\u4e00\u500b\u7dda\u4e0a\u66f8\u5e97\u7684\u7bc4\u4f8b\uff0c\u8a72\u66f8\u5e97\u5411\u5ba2\u6236\u92b7\u552e\u66f8\u7c4d\u3002\u66f8\u5e97\u64c1\u6709\u8a31\u591a\u66f8\u7c4d\u985e\u5225\uff0c\u4ee5\u53ca\u5927\u91cf\u53ef\u4e0b\u8a02\u55ae\u7684\u5ba2\u6236\u3002\u70ba\u4e86\u4f7f\u7528ERD\u4f86\u5efa\u6a21\u6b64\u7cfb\u7d71\uff0c\u6211\u5011\u53ef\u4ee5\u5f9e\u8b58\u5225\u76f8\u95dc\u7684\u5be6\u9ad4\u3001\u5c6c\u6027\u548c\u95dc\u4fc2\u958b\u59cb\u3002<\/p>\n<p><strong>\u5be6\u9ad4\uff1a<\/strong><\/p>\n<ol>\n<li>\u66f8\u7c4d\uff1a\u4ee3\u8868\u66f8\u5e97\u4e2d\u7684\u66f8\u7c4d\u3002\u5305\u542b\u6a19\u984c\u3001\u4f5c\u8005\u3001ISBN\u548c\u50f9\u683c\u7b49\u5c6c\u6027\u3002<\/li>\n<li>\u985e\u5225\uff1a\u4ee3\u8868\u66f8\u5e97\u4e2d\u7684\u66f8\u7c4d\u985e\u5225\u6216\u985e\u578b\u3002\u5305\u542b\u540d\u7a31\u548c\u63cf\u8ff0\u7b49\u5c6c\u6027\u3002<\/li>\n<li>\u5ba2\u6236\uff1a\u4ee3\u8868\u5df2\u8a3b\u518a\u66f8\u5e97\u7684\u5ba2\u6236\u3002\u5305\u542b\u59d3\u540d\u3001\u5730\u5740\u548c\u96fb\u5b50\u90f5\u4ef6\u7b49\u5c6c\u6027\u3002<\/li>\n<li>\u8a02\u55ae\uff1a\u4ee3\u8868\u5ba2\u6236\u4e0b\u7684\u8a02\u55ae\u3002\u5305\u542b\u8a02\u55ae\u65e5\u671f\u548c\u7e3d\u91d1\u984d\u7b49\u5c6c\u6027\u3002\u540c\u6642\u4e5f\u5305\u542b\u5c0d\u5ba2\u6236\u5be6\u9ad4\u7684\u5916\u9375\u53c3\u8003\uff0c\u4ee5\u6307\u51fa\u662f\u54ea\u4f4d\u5ba2\u6236\u4e0b\u8a02\u55ae\u3002<\/li>\n<li>\u66f8\u7c4d-\u985e\u5225\uff1a\u4ee3\u8868\u66f8\u7c4d\u8207\u985e\u5225\u4e4b\u9593\u7684\u591a\u5c0d\u591a\u95dc\u4fc2\u3002\u5305\u542b\u5c0d\u66f8\u7c4d\u8207\u985e\u5225\u5be6\u9ad4\u7684\u5916\u9375\u53c3\u8003\u3002<\/li>\n<li>\u8a02\u55ae-\u66f8\u7c4d\uff1a\u4ee3\u8868\u8a02\u55ae\u8207\u66f8\u7c4d\u4e4b\u9593\u7684\u591a\u5c0d\u591a\u95dc\u4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