{"id":1544,"date":"2026-03-27T05:15:13","date_gmt":"2026-03-27T05:15:13","guid":{"rendered":"https:\/\/www.viz-read.com\/tw\/what-is-an-erd-guide\/"},"modified":"2026-03-27T05:15:13","modified_gmt":"2026-03-27T05:15:13","slug":"what-is-an-erd-guide","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/tw\/what-is-an-erd-guide\/","title":{"rendered":"\u4ec0\u9ebc\u662fERD\uff1f\u7d66\u521d\u7d1a\u958b\u767c\u4eba\u54e1\u548c\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u7684\u7121\u865b\u5047\u5167\u5bb9\u89e3\u6790"},"content":{"rendered":"

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\n
\"Whimsical<\/figure>\n<\/div>\n

ERD\u7684\u6838\u5fc3\u7d44\u6210\u90e8\u5206 \ud83d\udd28<\/h2>\n

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    \n
  • \u5be6\u9ad4\uff1a<\/strong> \u5b83\u5011\u4ee3\u8868\u4f60\u6b63\u5728\u8ffd\u8e64\u7684\u7269\u4ef6\u6216\u6982\u5ff5\u3002\u5728\u8cc7\u6599\u5eab\u60c5\u5883\u4e2d\uff0c\u5be6\u9ad4\u901a\u5e38\u76f4\u63a5\u5c0d\u61c9\u5230\u8cc7\u6599\u8868\u3002\u7bc4\u4f8b\u5305\u62ec\u300c\u5ba2\u6236\u300d\u3001\u300c\u7522\u54c1\u300d\u6216\u300c\u8a02\u55ae\u300d\u3002\u5be6\u9ad4\u901a\u5e38\u4ee5\u77e9\u5f62\u8868\u793a\u3002<\/li>\n
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    \u7406\u89e3\u57fa\u6578 \ud83d\udd04<\/h2>\n

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      \n
    • \u4e00\u5c0d\u4e00\uff081:1\uff09\uff1a<\/strong> \u5be6\u9ad4A\u7684\u55ae\u4e00\u5be6\u4f8b\u50c5\u8207\u5be6\u9ad4B\u7684\u55ae\u4e00\u5be6\u4f8b\u76f8\u95dc\u3002\u7bc4\u4f8b\uff1a\u4e00\u500b\u4eba\u64c1\u6709\u4e00\u5f35\u8b77\u7167\u3002\u4e00\u5f35\u8b77\u7167\u50c5\u5c6c\u65bc\u4e00\u500b\u4eba\u3002\u9019\u5728\u4e00\u822c\u61c9\u7528\u4e2d\u8f03\u5c11\u898b\uff0c\u4f46\u5728\u5b89\u5168\u6216\u654f\u611f\u8cc7\u6599\u5206\u96e2\u4e2d\u8f03\u70ba\u5e38\u898b\u3002<\/li>\n
    • \u4e00\u5c0d\u591a\uff081:M\uff09\uff1a<\/strong> \u5be6\u9ad4A\u7684\u55ae\u4e00\u5be6\u4f8b\u53ef\u8207\u5be6\u9ad4B\u7684\u591a\u500b\u5be6\u4f8b\u76f8\u95dc\u3002\u7bc4\u4f8b\uff1a\u4e00\u4f4d\u5ba2\u6236\u53ef\u4e0b\u591a\u7b46\u8a02\u55ae\u3002\u4e00\u7b46\u8a02\u55ae\u50c5\u5c6c\u65bc\u4e00\u4f4d\u5ba2\u6236\u3002\u9019\u662f\u5728\u7db2\u8def\u61c9\u7528\u4e2d\u6700\u5e38\u898b\u7684\u95dc\u4fc2\u985e\u578b\u3002<\/li>\n
    • \u591a\u5c0d\u591a\uff08M:N\uff09\uff1a<\/strong> \u5be6\u9ad4A\u7684\u591a\u500b\u5be6\u4f8b\u8207\u5be6\u9ad4B\u7684\u591a\u500b\u5be6\u4f8b\u76f8\u95dc\u3002\u7bc4\u4f8b\uff1a\u591a\u4f4d\u5b78\u751f\u53ef\u8a3b\u518a\u591a\u9580\u8ab2\u7a0b\u3002\u591a\u9580\u8ab2\u7a0b\u4e5f\u53ef\u5305\u542b\u591a\u4f4d\u5b78\u751f\u3002\u9019\u5728\u5be6\u969b\u8cc7\u6599\u5eab\u4e2d\u9700\u900f\u904e\u4ea4\u96c6\u8868\u4f86\u89e3\u6c7a\u3002<\/li>\n<\/ul>\n

      \u6b63\u78ba\u5730\u5448\u73fe\u9019\u4e9b\u95dc\u4fc2\uff0c\u53ef\u907f\u514d\u5f8c\u7e8c\u7684\u8cc7\u6599\u91cd\u8907\u8207\u67e5\u8a62\u932f\u8aa4\u3002\u82e5\u5c07\u591a\u5c0d\u591a\u95dc\u4fc2\u932f\u8aa4\u5730\u5efa\u6a21\u70ba\u4e00\u5c0d\u591a\uff0c\u5c07\u5c0e\u81f4\u8cc7\u6599\u5197\u9918\u6216\u5916\u9375\u7d04\u675f\u5931\u6548\u3002<\/p>\n

      \u57fa\u6578\u53c3\u8003\u8868<\/h3>\n\n\n\n\n\n\n\n
      \u95dc\u4fc2\u985e\u578b<\/th>\n\u73fe\u5be6\u4e16\u754c\u7bc4\u4f8b<\/th>\n\u8cc7\u6599\u5eab\u5be6\u4f5c<\/th>\n<\/tr>\n<\/thead>\n
      \u4e00\u5c0d\u4e00\uff081:1\uff09<\/td>\n\u54e1\u5de5\u8207\u8eab\u4efd\u8b49<\/td>\n\u5176\u4e2d\u4e00\u5f35\u8cc7\u6599\u8868\u4e2d\u7684\u5916\u9375<\/td>\n<\/tr>\n
      \u4e00\u5c0d\u591a\uff081:M\uff09<\/td>\n\u90e8\u9580\u5230\u54e1\u5de5<\/td>\n\u300c\u591a\u300d\u7aef\u8868\u683c\u4e2d\u7684\u5916\u9375<\/td>\n<\/tr>\n
      \u591a\u5c0d\u591a\uff08M:N\uff09<\/td>\n\u4f5c\u8005\u5230\u66f8\u7c4d<\/td>\n\u5305\u542b\u5169\u500b\u5916\u9375\u7684\u9023\u63a5\u8868<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u7b26\u865f\u6a19\u6e96 \ud83d\udcd0<\/h2>\n

      \u6b63\u5982\u7a0b\u5f0f\u78bc\u6709\u8a9e\u6cd5\uff0c\u5716\u8868\u4e5f\u6709\u7b26\u865f\u3002\u4e0d\u540c\u5718\u968a\u548c\u5de5\u5177\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u7b26\u865f\u4f86\u8868\u793a\u76f8\u540c\u7684\u6982\u5ff5\u3002\u4e86\u89e3\u5e38\u898b\u7684\u6a19\u6e96\uff0c\u80fd\u78ba\u4fdd\u4f60\u6709\u6548\u5408\u4f5c\u3002<\/p>\n

        \n
      • \u70cf\u9d09\u8db3\u7b26\u865f\uff1a<\/strong> \u9019\u662f\u6700\u73fe\u4ee3\u8cc7\u6599\u5eab\u5de5\u5177\u7684\u696d\u754c\u6a19\u6e96\u3002\u5b83\u4f7f\u7528\u7dda\u689d\u548c\u95dc\u4fc2\u672b\u7aef\u7684\u7279\u5b9a\u7b26\u865f\u4f86\u8868\u793a\u57fa\u6578\u3002\u55ae\u4e00\u7dda\u689d\u4ee3\u8868\u300c\u4e00\u300d\uff0c\u800c\u4e09\u53c9\u7b26\u865f\uff08\u985e\u4f3c\u70cf\u9d09\u8173\uff09\u4ee3\u8868\u300c\u591a\u300d\u3002<\/li>\n
      • \u9673\u6c0f\u7b26\u865f\uff1a<\/strong> \u9019\u662f\u4e00\u7a2e\u8f03\u820a\u7684\u98a8\u683c\uff0c\u5e38\u898b\u65bc\u5b78\u8853\u74b0\u5883\u4e2d\u3002\u5b83\u4f7f\u7528\u83f1\u5f62\u8868\u793a\u95dc\u4fc2\uff0c\u6a62\u5713\u8868\u793a\u5c6c\u6027\u3002\u96d6\u7136\u5728\u7522\u696d\u5de5\u5177\u4e2d\u8f03\u5c11\u898b\uff0c\u4f46\u5728\u820a\u6587\u4ef6\u4e2d\u8b58\u5225\u5b83\u4ecd\u5177\u50f9\u503c\u3002<\/li>\n
      • UML \u985e\u5716\uff1a<\/strong> \u7d71\u4e00\u5efa\u6a21\u8a9e\u8a00\u5716\u8868\u7528\u65bc\u8edf\u9ad4\u5de5\u7a0b\u3002\u5b83\u5011\u8207\u5be6\u9ad4\u95dc\u4fc2\u5716\u985e\u4f3c\uff0c\u4f46\u66f4\u8457\u91cd\u65bc\u7a0b\u5f0f\u78bc\u7d50\u69cb\u800c\u975e\u8cc7\u6599\u5132\u5b58\u3002\u5b83\u5011\u5305\u542b\u53ef\u898b\u6027\u7b26\u865f\uff08+\u3001-\u3001#\uff09\uff0c\u9019\u4e9b\u7b26\u865f\u5c0d\u7d14\u8cc7\u6599\u5eab\u8a2d\u8a08\u800c\u8a00\u8f03\u4e0d\u76f8\u95dc\u3002<\/li>\n<\/ul>\n

        \u958b\u59cb\u65b0\u5c08\u6848\u6642\uff0c\u61c9\u76e1\u65e9\u78ba\u5b9a\u7b26\u865f\u6a19\u6e96\u3002\u6df7\u5408\u4f7f\u7528\u4e0d\u540c\u98a8\u683c\u53ef\u80fd\u5c0e\u81f4\u7a0b\u5f0f\u78bc\u5be9\u67e5\u6216\u5718\u968a\u4ea4\u63a5\u6642\u7522\u751f\u6df7\u6dc6\u3002<\/p>\n

        \u898f\u7bc4\u5316\u7684\u9023\u7d50 \ud83e\uddf9<\/h2>\n

        \u8a2d\u8a08\u5be6\u9ad4\u95dc\u4fc2\u5716\u4e0d\u50c5\u50c5\u662f\u756b\u65b9\u6846\u548c\u7dda\u689d\u3002\u5b83\u5728\u65bc\u7d44\u7e54\u8cc7\u6599\u4ee5\u6e1b\u5c11\u91cd\u8907\u4e26\u63d0\u5347\u5b8c\u6574\u6027\u3002\u9019\u500b\u904e\u7a0b\u7a31\u70ba\u898f\u7bc4\u5316\u3002\u96d6\u7136\u4f60\u4e0d\u6703\u5728\u5716\u8868\u4e0a\u756b\u51fa\u898f\u7bc4\u5316\u898f\u5247\uff0c\u4f46\u5be6\u9ad4\u95dc\u4fc2\u5716\u53cd\u6620\u4e86\u9019\u4e9b\u898f\u5247\u7684\u7d50\u679c\u3002<\/p>\n

        \u4ee5\u4e0b\u662f\u524d\u4e09\u7a2e\u898f\u7bc4\u5f62\u5f0f\u7684\u7c21\u8981\u8aaa\u660e\uff1a<\/p>\n

          \n
        • \u7b2c\u4e00\u898f\u7bc4\u5f62\u5f0f\uff081NF\uff09\uff1a<\/strong> \u78ba\u4fdd\u6bcf\u4e00\u6b04\u90fd\u5305\u542b\u539f\u5b50\u503c\u3002\u4e0d\u8981\u5c07\u6e05\u55ae\u5132\u5b58\u5728\u55ae\u4e00\u55ae\u5143\u683c\u4e2d\u3002\u6bcf\u7b46\u8a18\u9304\u90fd\u5fc5\u9808\u662f\u552f\u4e00\u7684\u3002<\/li>\n
        • \u7b2c\u4e8c\u898f\u7bc4\u5f62\u5f0f\uff082NF\uff09\uff1a<\/strong> \u5fc5\u9808\u7b26\u5408 1NF\u3002\u6240\u6709\u975e\u9375\u5c6c\u6027\u5fc5\u9808\u5b8c\u5168\u4f9d\u8cf4\u65bc\u4e3b\u9375\u3002\u9019\u53ef\u9632\u6b62\u90e8\u5206\u4f9d\u8cf4\u3002<\/li>\n
        • \u7b2c\u4e09\u898f\u7bc4\u5f62\u5f0f\uff083NF\uff09\uff1a<\/strong> \u5fc5\u9808\u7b26\u5408 2NF\u3002\u4e0d\u61c9\u5b58\u5728\u50b3\u905e\u4f9d\u8cf4\u3002\u975e\u9375\u5c6c\u6027\u4e0d\u61c9\u4f9d\u8cf4\u65bc\u5176\u4ed6\u975e\u9375\u5c6c\u6027\u3002<\/li>\n<\/ul>\n

          \u5982\u679c\u4f60\u7684\u5be6\u9ad4\u95dc\u4fc2\u5716\u986f\u793a\u4e00\u500b\u300c\u4f7f\u7528\u8005\u300d\u8868\u683c\uff0c\u5305\u542b\u300c\u4f7f\u7528\u8005\u59d3\u540d\u300d\u3001\u300c\u4f7f\u7528\u8005\u96fb\u5b50\u90f5\u4ef6\u300d\u548c\u300c\u90e8\u9580\u540d\u7a31\u300d\u6b04\u4f4d\uff0c\u4f60\u53ef\u80fd\u9055\u53cd\u4e86 3NF\u3002\u90e8\u9580\u540d\u7a31\u4f9d\u8cf4\u65bc\u90e8\u9580 ID\uff0c\u800c\u975e\u4f7f\u7528\u8005\u672c\u8eab\u3002\u4f60\u61c9\u8a72\u5efa\u7acb\u4e00\u500b\u7368\u7acb\u7684\u300c\u90e8\u9580\u300d\u5be6\u9ad4\u4e26\u52a0\u4ee5\u9023\u7d50\u3002<\/p>\n

          \u5f9e\u96f6\u958b\u59cb\u5efa\u7acb\u8cc7\u6599\u7d50\u69cb \ud83d\udee0\ufe0f<\/h2>\n

          \u4f60\u8a72\u5982\u4f55\u5f9e\u4e00\u5f35\u767d\u7d19\u8f49\u8b8a\u70ba\u7d50\u69cb\u5316\u7684\u5716\u8868\uff1f\u9075\u5faa\u6b64\u908f\u8f2f\u6b65\u9a5f\uff0c\u4ee5\u78ba\u4fdd\u4e0d\u6703\u907a\u6f0f\u4efb\u4f55\u5167\u5bb9\u3002<\/p>\n

          1. \u6536\u96c6\u9700\u6c42<\/h3>\n

          \u5728\u756b\u51fa\u4efb\u4f55\u7dda\u689d\u4e4b\u524d\uff0c\u5148\u8207\u76f8\u95dc\u4eba\u54e1\u6e9d\u901a\u3002\u5fc5\u9808\u5132\u5b58\u54ea\u4e9b\u8cc7\u6599\uff1f\u4f7f\u7528\u8005\u6703\u63d0\u51fa\u4ec0\u9ebc\u554f\u984c\uff1f\u5982\u679c\u4f60\u9700\u8981\u5831\u544a\u300c\u5404\u5340\u57df\u7e3d\u92b7\u552e\u984d\u300d\uff0c\u4f60\u5c31\u9700\u8981\u4e00\u500b\u300c\u5340\u57df\u300d\u5be6\u9ad4\u8207\u4e00\u500b\u300c\u92b7\u552e\u300d\u5be6\u9ad4\u4e26\u52a0\u4ee5\u9023\u7d50\u3002<\/p>\n

          2. \u8b58\u5225\u5be6\u9ad4<\/h3>\n

          \u5217\u51fa\u6bcf\u4e00\u500b\u4ee3\u8868\u7368\u7acb\u7269\u4ef6\u7684\u540d\u8a5e\u3002\u904e\u6ffe\u6389\u5f62\u5bb9\u8a5e\u6216\u52d5\u8a5e\u3002\u300c\u4e0b\u8a02\u55ae\u300d\u662f\u4e00\u7a2e\u6d41\u7a0b\uff0c\u800c\u975e\u5be6\u9ad4\u3002\u300c\u8a02\u55ae\u300d\u624d\u662f\u5be6\u9ad4\u3002<\/p>\n

          3. \u5b9a\u7fa9\u5c6c\u6027<\/h3>\n

          \u70ba\u6bcf\u500b\u5be6\u9ad4\u5206\u914d\u5c6c\u6027\u3002\u6c7a\u5b9a\u54ea\u4e9b\u5c6c\u6027\u662f\u8b58\u5225\u7b26\u3002\u6bcf\u500b\u8868\u683c\u90fd\u5fc5\u9808\u6709\u4e3b\u9375\uff08PK\uff09\u4ee5\u78ba\u4fdd\u552f\u4e00\u6027\u3002\u5916\u9375\uff08FK\uff09\u5247\u7528\u65bc\u5efa\u7acb\u95dc\u4fc2\u3002<\/p>\n

          4. \u5efa\u7acb\u95dc\u4fc2<\/h3>\n

          \u7e6a\u88fd\u7dda\u689d\u3002\u6c7a\u5b9a\u57fa\u6578\u3002\u5224\u65b7\u95dc\u4fc2\u662f\u5f37\u5236\u6027\u7684\u9084\u662f\u53ef\u9078\u7684\u3002\u4f8b\u5982\uff0c\u8a02\u55ae\u80fd\u5426\u5728\u6c92\u6709\u5ba2\u6236\u7684\u60c5\u6cc1\u4e0b\u5b58\u5728\uff1f\u901a\u5e38\u4e0d\u884c\u3002\u7522\u54c1\u80fd\u5426\u5728\u6c92\u6709\u5206\u985e\u7684\u60c5\u6cc1\u4e0b\u5b58\u5728\uff1f\u5982\u679c\u5141\u8a31\u672a\u5206\u985e\u7684\u9805\u76ee\uff0c\u5247\u6709\u53ef\u80fd\u3002<\/p>\n

          5. \u9a57\u8b49\u6a21\u578b<\/h3>\n

          \u8d70\u67e5\u8cc7\u6599\u6d41\u7a0b\u3002\u5982\u679c\u4f7f\u7528\u8005\u8a3b\u518a\uff0c\u8cc7\u6599\u6703\u53bb\u54ea\u88e1\uff1f\u5982\u679c\u4f7f\u7528\u8005\u522a\u9664\u5e33\u6236\uff0c\u4ed6\u5011\u7684\u8a02\u55ae\u6703\u600e\u9ebc\u6a23\uff1f\u9019\u500b\u5716\u662f\u5426\u80fd\u652f\u63f4\u9019\u4e9b\u64cd\u4f5c\u800c\u4e0d\u9020\u6210\u8cc7\u6599\u907a\u5931\uff1f<\/p>\n

          \u5e38\u898b\u9677\u9631 \u26a0\ufe0f<\/h2>\n

          \u5373\u4f7f\u662f\u7d93\u9a57\u8c50\u5bcc\u7684\u5de5\u7a0b\u5e2b\u4e5f\u6703\u72af\u932f\u3002\u4e86\u89e3\u5e38\u898b\u932f\u8aa4\u53ef\u4ee5\u5e6b\u52a9\u4f60\u7bc0\u7701\u672a\u4f86\u5927\u91cf\u7684\u91cd\u69cb\u6642\u9593\u3002<\/p>\n

            \n
          • \u907a\u6f0f\u5916\u9375\uff1a<\/strong>\u5728\u7d19\u4e0a\u756b\u7dda\u5f88\u5bb9\u6613\u3002\u5728\u7a0b\u5f0f\u78bc\u4e2d\u5be6\u73fe\u7d04\u675f\u5247\u8f03\u56f0\u96e3\u3002\u78ba\u4fddERD\u4e2d\u7684\u6bcf\u4e00\u689d\u7dda\u90fd\u6709\u5c0d\u61c9\u7684\u8cc7\u6599\u5eab\u7d04\u675f\u3002<\/li>\n
          • \u5faa\u74b0\u4f9d\u8cf4\uff1a<\/strong>\u907f\u514d\u51fa\u73feA\u9023\u7d50\u5230B\u3001B\u9023\u7d50\u5230C\u3001C\u53c8\u56de\u9023\u5230A\u7684\u93c8\u689d\u3002\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u4e2d\u51fa\u73fe\u7121\u9650\u5faa\u74b0\uff0c\u4e26\u4f7f\u8cc7\u6599\u522a\u9664\u8b8a\u5f97\u56f0\u96e3\u3002<\/li>\n
          • \u547d\u540d\u4e0d\u4e00\u81f4\uff1a<\/strong>\u4e0d\u8981\u6df7\u7528\u300cUser_ID\u300d\u548c\u300cUserID\u300d\u3002\u5805\u6301\u4f7f\u7528\u4e00\u81f4\u7684\u547d\u540d\u898f\u7bc4\u3002\u8cc7\u6599\u5eab\u6b04\u4f4d\u901a\u5e38\u4f7f\u7528\u5e95\u7dda\u547d\u540d\u6cd5\uff0c\u800c\u7a0b\u5f0f\u78bc\u4e2d\u5247\u5e38\u898b\u99dd\u5cf0\u5f0f\u547d\u540d\u6cd5\u3002<\/li>\n
          • \u904e\u5ea6\u898f\u7bc4\u5316\uff1a<\/strong>\u96d6\u7136\u898f\u7bc4\u5316\u662f\u597d\u7684\uff0c\u4f46\u904e\u5ea6\u898f\u7bc4\u5316\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u8b8a\u6162\u3002\u7576\u8b80\u53d6\u6027\u80fd\u6bd4\u5beb\u5165\u6027\u80fd\u66f4\u91cd\u8981\u6642\uff0c\u61c9\u6709\u7b56\u7565\u5730\u9032\u884c\u53cd\u898f\u7bc4\u5316\u3002<\/li>\n
          • \u5ffd\u7565\u8cc7\u6599\u985e\u578b\uff1a<\/strong>ERD\u4e0d\u50c5\u50c5\u662f\u7d50\u69cb\uff1b\u5b83\u4e5f\u662f\u8cc7\u6599\u3002\u65e5\u671f\u6b04\u4f4d\u8207\u5b57\u4e32\u6b04\u4f4d\u4e26\u4e0d\u76f8\u540c\u3002\u78ba\u4fdd\u5716\u8868\u80fd\u660e\u78ba\u8868\u793a\u6b63\u78ba\u7684\u5132\u5b58\u985e\u578b\u3002<\/li>\n<\/ul>\n

            ERD\u8207\u5176\u4ed6\u5716\u8868\u7684\u5dee\u7570 \ud83c\udd9a<\/h2>\n

            \u5f88\u5bb9\u6613\u5c07ERD\u8207\u5176\u4ed6\u6280\u8853\u5716\u8868\u6df7\u6dc6\u3002\u4e86\u89e3\u5dee\u7570\u80fd\u78ba\u4fdd\u4f60\u4f7f\u7528\u6b63\u78ba\u7684\u5de5\u5177\u4f86\u5b8c\u6210\u5de5\u4f5c\u3002<\/p>\n

              \n
            • \u6d41\u7a0b\u5716\uff1a<\/strong>\u5b83\u5011\u986f\u793a\u908f\u8f2f\u6216\u63a7\u5236\u7684\u6d41\u7a0b\u3002\u4f7f\u7528\u83f1\u5f62\u8868\u793a\u6c7a\u7b56\uff0c\u77e9\u5f62\u8868\u793a\u6d41\u7a0b\u3002\u5b83\u5011\u4e0d\u986f\u793a\u8cc7\u6599\u7d50\u69cb\u3002<\/li>\n
            • \u8cc7\u6599\u7d50\u69cb\u5716\uff1a<\/strong>\u5b83\u5011\u901a\u5e38\u662f\u5f9e\u73fe\u6709\u8cc7\u6599\u5eab\u751f\u6210\u5716\u8868\u7684\u7d50\u679c\u3002\u5b83\u5011\u662f\u5be6\u969b\u7684\u7269\u7406\u5be6\u73fe\uff0c\u901a\u5e38\u6703\u986f\u793a\u7d22\u5f15\u548c\u7279\u5b9a\u7684\u8cc7\u6599\u985e\u578b\u3002<\/li>\n
            • \u6982\u5ff5\u6a21\u578b\uff1a<\/strong>\u5b83\u5011\u662f\u9ad8\u968e\u7684ERD\u3002\u5b83\u5011\u5c08\u6ce8\u65bc\u696d\u52d9\u6982\u5ff5\uff0c\u800c\u975e\u6280\u8853\u5be6\u73fe\u7d30\u7bc0\uff0c\u4f8b\u5982\u8cc7\u6599\u985e\u578b\u6216\u8868\u683c\u540d\u7a31\u3002<\/li>\n<\/ul>\n

              \u5728\u908f\u8f2f\u8a2d\u8a08\u968e\u6bb5\u4f7f\u7528ERD\u3002\u5728\u7269\u7406\u5be6\u73fe\u968e\u6bb5\u4f7f\u7528\u8cc7\u6599\u7d50\u69cb\u5716\u3002<\/p>\n

              \u7dad\u8b77\u8207\u6f14\u9032 \ud83d\udd04<\/h2>\n

              \u8cc7\u6599\u5eab\u4e0d\u662f\u4e00\u6b21\u6027\u7684\u5c08\u6848\u3002\u96a8\u8457\u696d\u52d9\u7684\u8b8a\u5316\uff0c\u5b83\u4e5f\u6703\u6301\u7e8c\u6f14\u9032\u3002\u4f60\u7684ERD\u4e5f\u5fc5\u9808\u96a8\u8457\u5b83\u4e00\u8d77\u6f14\u9032\u3002<\/p>\n

                \n
              • \u7248\u672c\u63a7\u5236\uff1a<\/strong> \u5c07\u4f60\u7684\u5716\u8868\u8996\u70ba\u7a0b\u5f0f\u78bc\u3002\u5132\u5b58\u5728\u7a0b\u5f0f\u78bc\u5eab\u4e2d\u3002\u8ffd\u8e64\u8b8a\u66f4\u3002\u5982\u679c\u65b0\u589e\u6b04\u4f4d\uff0c\u8acb\u8a18\u9304\u539f\u56e0\u3002<\/li>\n
              • \u6587\u4ef6\uff1a<\/strong> \u5716\u8868\u662f\u8996\u89ba\u8f14\u52a9\u5de5\u5177\uff0c\u4f46\u8a3b\u89e3\u624d\u80fd\u8aaa\u660e\u80cc\u666f\u3002\u8acb\u52a0\u5165\u95dc\u65bc\u8907\u96dc\u908f\u8f2f\u6216\u7279\u5b9a\u9650\u5236\u7684\u8a3b\u8a18\u3002<\/li>\n
              • \u5ba1\u67e5\u9031\u671f\uff1a<\/strong> \u8a08\u756b\u5b9a\u671f\u5be9\u67e5\u8cc7\u6599\u6a21\u578b\u3002\u820a\u6709\u7684\u5047\u8a2d\u53ef\u80fd\u5df2\u4e0d\u518d\u6210\u7acb\u3002\u4e94\u5e74\u524d\u9084\u662f\u300c\u53ef\u9078\u300d\u7684\u6b04\u4f4d\uff0c\u73fe\u5728\u53ef\u80fd\u5df2\u662f\u300c\u5fc5\u8981\u300d\u7684\u3002<\/li>\n<\/ul>\n

                \u95dc\u65bc\u8cc7\u6599\u5b8c\u6574\u6027\u7684\u6700\u5f8c\u60f3\u6cd5 \u2705<\/h2>\n

                \u5be6\u9ad4\u95dc\u4fc2\u5716\u662f\u60a8\u8cc7\u6599\u57fa\u790e\u67b6\u69cb\u7684\u85cd\u5716\u3002\u5728\u64b0\u5beb\u4efb\u4f55\u4e00\u884c SQL \u4e4b\u524d\uff0c\u9019\u88e1\u5c31\u662f\u60a8\u6c7a\u5b9a\u8cc7\u8a0a\u5982\u4f55\u9023\u7d50\u7684\u5730\u65b9\u3002\u8a2d\u8a08\u826f\u597d\u7684 ERD \u53ef\u5e36\u4f86\u66f4\u5feb\u7684\u67e5\u8a62\u901f\u5ea6\u3001\u66f4\u7c21\u55ae\u7684\u7dad\u8b77\uff0c\u4ee5\u53ca\u66f4\u5c11\u7684\u932f\u8aa4\u3002<\/p>\n

                \u5c0d\u521d\u7d1a\u958b\u767c\u4eba\u54e1\u800c\u8a00\uff0c\u6295\u5165\u6642\u9593\u5b78\u7fd2\u9019\u9805\u6280\u80fd\u5c07\u5e36\u4f86\u56de\u5831\u3002\u5b83\u80fd\u8b93\u60a8\u7684\u89c0\u9ede\u5f9e\u64b0\u5beb\u5b64\u7acb\u7684\u67e5\u8a62\uff0c\u8f49\u8b8a\u70ba\u8a2d\u8a08\u6574\u5408\u7684\u7cfb\u7d71\u3002\u5c0d\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u800c\u8a00\uff0c\u9019\u662f\u5be9\u8a08\u8207\u512a\u5316\u5e95\u5c64\u5132\u5b58\u7684\u9996\u8981\u5de5\u5177\u3002<\/p>\n

                \u5c08\u6ce8\u65bc\u6e05\u6670\u6027\u3002\u5c08\u6ce8\u65bc\u95dc\u4fc2\u3002\u5c08\u6ce8\u65bc\u7dad\u6301\u8cc7\u6599\u8aa0\u5be6\u7684\u898f\u5247\u3002\u9019\u5c31\u662f\u8cc7\u6599\u5eab\u8a2d\u8a08\u7684\u7cbe\u9ad3\u3002<\/p>\n

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