{"id":1546,"date":"2026-03-27T05:15:13","date_gmt":"2026-03-27T05:15:13","guid":{"rendered":"https:\/\/www.viz-read.com\/cn\/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\/cn\/what-is-an-erd-guide\/","title":{"rendered":"\u4ec0\u4e48\u662fERD\uff1f\u7ed9\u521d\u7ea7\u5f00\u53d1\u4eba\u5458\u548c\u6570\u636e\u5e93\u7ba1\u7406\u5458\u7684\u65e0\u5e9f\u8bdd\u89e3\u6790"},"content":{"rendered":"

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

ERD\u7684\u6838\u5fc3\u7ec4\u6210\u90e8\u5206 \ud83d\udd28<\/h2>\n

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    \n
  • \u5b9e\u4f53\uff1a<\/strong> \u5b83\u4eec\u4ee3\u8868\u4f60\u6b63\u5728\u8ddf\u8e2a\u7684\u5bf9\u8c61\u6216\u6982\u5ff5\u3002\u5728\u6570\u636e\u5e93\u8bed\u5883\u4e2d\uff0c\u5b9e\u4f53\u901a\u5e38\u76f4\u63a5\u5bf9\u5e94\u4e00\u4e2a\u8868\u3002\u4f8b\u5982\u201c\u5ba2\u6237\u201d\u3001\u201c\u4ea7\u54c1\u201d\u6216\u201c\u8ba2\u5355\u201d\u3002\u5b9e\u4f53\u901a\u5e38\u4ee5\u77e9\u5f62\u8868\u793a\u3002<\/li>\n
  • \u5c5e\u6027\uff1a<\/strong> \u5b83\u4eec\u662f\u63cf\u8ff0\u5b9e\u4f53\u7684\u5c5e\u6027\u3002\u8fd9\u4e9b\u5c5e\u6027\u4f1a\u6210\u4e3a\u8868\u4e2d\u7684\u5217\u3002\u5bf9\u4e8e\u201c\u5ba2\u6237\u201d\u5b9e\u4f53\uff0c\u5c5e\u6027\u53ef\u80fd\u5305\u62ec\u201c\u540d\u5b57\u201d\u3001\u201c\u59d3\u6c0f\u201d\u548c\u201c\u7535\u5b50\u90ae\u4ef6\u201d\u3002\u5c5e\u6027\u901a\u5e38\u5217\u5728\u77e9\u5f62\u5185\u90e8\u6216\u4e0e\u4e4b\u76f8\u8fde\u3002<\/li>\n
  • \u5173\u7cfb\uff1a<\/strong> \u8fd9\u662f\u6700\u5173\u952e\u7684\u90e8\u5206\u3002\u5173\u7cfb\u5b9a\u4e49\u4e86\u5b9e\u4f53\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\u3002\u5b83\u4eec\u5efa\u7acb\u4e86\u6570\u636e\u5b8c\u6574\u6027\u7684\u89c4\u5219\u3002\u5173\u7cfb\u901a\u8fc7\u8fde\u63a5\u5b9e\u4f53\u7684\u7ebf\u6761\u6765\u8868\u793a\u3002\u8fd9\u4e9b\u7ebf\u6761\u901a\u5e38\u5e26\u6709\u6807\u7b7e\uff0c\u6807\u660e\u8fde\u63a5\u7684\u7c7b\u578b\u3002<\/li>\n<\/ul>\n

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    \u7406\u89e3\u57fa\u6570 \ud83d\udd04<\/h2>\n

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      \n
    • \u4e00\u5bf9\u4e00\uff081:1\uff09\uff1a<\/strong> \u5b9e\u4f53A\u7684\u4e00\u4e2a\u5b9e\u4f8b\u4ec5\u4e0e\u5b9e\u4f53B\u7684\u4e00\u4e2a\u5b9e\u4f8b\u76f8\u5173\u8054\u3002\u4f8b\u5982\uff1a\u4e00\u4e2a\u4eba\u6709\u4e00\u672c\u62a4\u7167\uff0c\u4e00\u672c\u62a4\u7167\u53ea\u5c5e\u4e8e\u4e00\u4e2a\u4eba\u3002\u8fd9\u79cd\u5173\u7cfb\u5728\u4e00\u822c\u5e94\u7528\u4e2d\u8f83\u5c11\u89c1\uff0c\u4f46\u5728\u5b89\u5168\u6216\u654f\u611f\u6570\u636e\u9694\u79bb\u4e2d\u8f83\u4e3a\u5e38\u89c1\u3002<\/li>\n
    • \u4e00\u5bf9\u591a\uff081:M\uff09\uff1a<\/strong> \u5b9e\u4f53A\u7684\u4e00\u4e2a\u5b9e\u4f8b\u53ef\u4e0e\u5b9e\u4f53B\u7684\u591a\u4e2a\u5b9e\u4f8b\u76f8\u5173\u8054\u3002\u4f8b\u5982\uff1a\u4e00\u4e2a\u5ba2\u6237\u53ef\u4ee5\u4e0b\u591a\u4e2a\u8ba2\u5355\uff0c\u4e00\u4e2a\u8ba2\u5355\u53ea\u5c5e\u4e8e\u4e00\u4e2a\u5ba2\u6237\u3002\u8fd9\u662fWeb\u5e94\u7528\u4e2d\u6700\u5e38\u89c1\u7684\u5173\u7cfb\u7c7b\u578b\u3002<\/li>\n
    • \u591a\u5bf9\u591a\uff08M:N\uff09\uff1a<\/strong> \u5b9e\u4f53A\u7684\u591a\u4e2a\u5b9e\u4f8b\u4e0e\u5b9e\u4f53B\u7684\u591a\u4e2a\u5b9e\u4f8b\u76f8\u5173\u8054\u3002\u4f8b\u5982\uff1a\u591a\u540d\u5b66\u751f\u53ef\u4ee5\u9009\u4fee\u591a\u95e8\u8bfe\u7a0b\uff0c\u591a\u95e8\u8bfe\u7a0b\u4e5f\u53ef\u4ee5\u6709\u591a\u4e2a\u5b66\u751f\u3002\u5728\u7269\u7406\u6570\u636e\u5e93\u4e2d\uff0c\u8fd9\u9700\u8981\u901a\u8fc7\u4e00\u4e2a\u8fde\u63a5\u8868\u6765\u89e3\u51b3\u3002<\/li>\n<\/ul>\n

      \u6b63\u786e\u5730\u53ef\u89c6\u5316\u8fd9\u4e9b\u5173\u7cfb\u53ef\u4ee5\u9632\u6b62\u65e5\u540e\u51fa\u73b0\u6570\u636e\u91cd\u590d\u548c\u67e5\u8be2\u9519\u8bef\u3002\u5982\u679c\u4f60\u9519\u8bef\u5730\u5c06\u591a\u5bf9\u591a\u5173\u7cfb\u5efa\u6a21\u4e3a\u4e00\u5bf9\u591a\uff0c\u6700\u7ec8\u4f1a\u5bfc\u81f4\u5197\u4f59\u6570\u636e\u6216\u635f\u574f\u7684\u5916\u952e\u7ea6\u675f\u3002<\/p>\n

      \u57fa\u6570\u53c2\u8003\u8868<\/h3>\n\n\n\n\n\n\n\n
      \u5173\u7cfb\u7c7b\u578b<\/th>\n\u73b0\u5b9e\u4e16\u754c\u793a\u4f8b<\/th>\n\u6570\u636e\u5e93\u5b9e\u73b0<\/th>\n<\/tr>\n<\/thead>\n
      \u4e00\u5bf9\u4e00\uff081:1\uff09<\/td>\n\u5458\u5de5\u4e0e\u8eab\u4efd\u8bc1<\/td>\n\u4e00\u4e2a\u8868\u4e2d\u7684\u5916\u952e<\/td>\n<\/tr>\n
      \u4e00\u5bf9\u591a\uff081:M\uff09<\/td>\n\u90e8\u95e8\u5230\u5458\u5de5<\/td>\n\u201c\u591a\u201d\u7aef\u8868\u4e2d\u7684\u5916\u952e<\/td>\n<\/tr>\n
      \u591a\u5bf9\u591a\uff08M:N\uff09<\/td>\n\u4f5c\u8005\u5230\u4e66\u7c4d<\/td>\n\u5305\u542b\u4e24\u4e2a\u5916\u952e\u7684\u8fde\u63a5\u8868<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u7b26\u53f7\u6807\u51c6 \ud83d\udcd0<\/h2>\n

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        \n
      • \u4e4c\u9e26\u8db3\u7b26\u53f7\uff1a<\/strong> \u8fd9\u662f\u5927\u591a\u6570\u73b0\u4ee3\u6570\u636e\u5e93\u5de5\u5177\u7684\u884c\u4e1a\u6807\u51c6\u3002\u5b83\u4f7f\u7528\u7ebf\u6761\u548c\u5173\u7cfb\u672b\u7aef\u7684\u7279\u5b9a\u7b26\u53f7\u6765\u8868\u793a\u57fa\u6570\u3002\u5355\u6761\u7ebf\u4ee3\u8868\u201c\u4e00\u201d\uff0c\u800c\u4e09\u53c9\u7b26\u53f7\uff08\u7c7b\u4f3c\u4e8e\u4e4c\u9e26\u7684\u811a\uff09\u4ee3\u8868\u201c\u591a\u201d\u3002<\/li>\n
      • \u9648\u6c0f\u7b26\u53f7\uff1a<\/strong> \u8fd9\u662f\u4e00\u79cd\u8f83\u8001\u7684\u98ce\u683c\uff0c\u5e38\u7528\u4e8e\u5b66\u672f\u73af\u5883\u3002\u5b83\u4f7f\u7528\u83f1\u5f62\u8868\u793a\u5173\u7cfb\uff0c\u692d\u5706\u8868\u793a\u5c5e\u6027\u3002\u867d\u7136\u5728\u5de5\u4e1a\u5de5\u5177\u4e2d\u8f83\u5c11\u89c1\uff0c\u4f46\u5728\u9057\u7559\u6587\u6863\u4e2d\u8bc6\u522b\u5b83\u4ecd\u7136\u5f88\u6709\u4ef7\u503c\u3002<\/li>\n
      • UML\u7c7b\u56fe\uff1a<\/strong> \u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\u56fe\u7528\u4e8e\u8f6f\u4ef6\u5de5\u7a0b\u3002\u5b83\u4eec\u4e0eERD\u7c7b\u4f3c\uff0c\u4f46\u66f4\u4fa7\u91cd\u4e8e\u4ee3\u7801\u7ed3\u6784\u800c\u975e\u6570\u636e\u5b58\u50a8\u3002\u5b83\u4eec\u5305\u542b\u53ef\u89c1\u6027\u7b26\u53f7\uff08+\u3001-\u3001#\uff09\uff0c\u8fd9\u4e9b\u5728\u7eaf\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\u76f8\u5173\u6027\u8f83\u4f4e\u3002<\/li>\n<\/ul>\n

        \u5728\u542f\u52a8\u65b0\u9879\u76ee\u65f6\uff0c\u5c3d\u65e9\u786e\u5b9a\u7b26\u53f7\u6807\u51c6\u3002\u6df7\u5408\u4f7f\u7528\u4e0d\u540c\u98ce\u683c\u53ef\u80fd\u5bfc\u81f4\u4ee3\u7801\u5ba1\u67e5\u6216\u56e2\u961f\u4ea4\u63a5\u65f6\u4ea7\u751f\u6df7\u6dc6\u3002<\/p>\n

        \u89c4\u8303\u5316\u5173\u8054 \ud83e\uddf9<\/h2>\n

        \u8bbe\u8ba1ERD\u4e0d\u4ec5\u4ec5\u662f\u753b\u65b9\u6846\u548c\u7ebf\u6761\u3002\u5b83\u5173\u4e4e\u7ec4\u7ec7\u6570\u636e\u4ee5\u51cf\u5c11\u5197\u4f59\u5e76\u63d0\u9ad8\u5b8c\u6574\u6027\u3002\u8fd9\u4e00\u8fc7\u7a0b\u79f0\u4e3a\u89c4\u8303\u5316\u3002\u867d\u7136\u4f60\u4e0d\u4f1a\u5728\u56fe\u4e2d\u7ed8\u5236\u89c4\u8303\u5316\u89c4\u5219\uff0c\u4f46ERD\u53cd\u6620\u4e86\u8fd9\u4e9b\u89c4\u5219\u7684\u7ed3\u679c\u3002<\/p>\n

        \u4ee5\u4e0b\u662f\u524d\u4e09\u4e2a\u8303\u5f0f\u7684\u7b80\u8981\u8bf4\u660e\uff1a<\/p>\n

          \n
        • \u7b2c\u4e00\u8303\u5f0f\uff081NF\uff09\uff1a<\/strong> \u786e\u4fdd\u6bcf\u4e00\u5217\u90fd\u5305\u542b\u539f\u5b50\u503c\u3002\u4e0d\u8981\u5728\u4e00\u4e2a\u5355\u5143\u683c\u4e2d\u5b58\u50a8\u5217\u8868\u3002\u6bcf\u4e2a\u8bb0\u5f55\u90fd\u5fc5\u987b\u662f\u552f\u4e00\u7684\u3002<\/li>\n
        • \u7b2c\u4e8c\u8303\u5f0f\uff082NF\uff09\uff1a<\/strong> \u5fc5\u987b\u6ee1\u8db31NF\u3002\u6240\u6709\u975e\u952e\u5c5e\u6027\u5fc5\u987b\u5b8c\u5168\u4f9d\u8d56\u4e8e\u4e3b\u952e\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u90e8\u5206\u4f9d\u8d56\u3002<\/li>\n
        • \u7b2c\u4e09\u8303\u5f0f\uff083NF\uff09\uff1a<\/strong> \u5fc5\u987b\u6ee1\u8db32NF\u3002\u4e0d\u5e94\u5b58\u5728\u4f20\u9012\u4f9d\u8d56\u3002\u975e\u952e\u5c5e\u6027\u4e0d\u5e94\u4f9d\u8d56\u4e8e\u5176\u4ed6\u975e\u952e\u5c5e\u6027\u3002<\/li>\n<\/ul>\n

          \u5982\u679c\u4f60\u7684ERD\u663e\u793a\u4e00\u4e2a\u201c\u7528\u6237\u201d\u8868\uff0c\u5305\u542b\u201c\u7528\u6237\u59d3\u540d\u201d\u3001\u201c\u7528\u6237\u90ae\u7bb1\u201d\u548c\u201c\u90e8\u95e8\u540d\u79f0\u201d\u7b49\u5217\uff0c\u4f60\u53ef\u80fd\u8fdd\u53cd\u4e863NF\u3002\u90e8\u95e8\u540d\u79f0\u4f9d\u8d56\u4e8e\u90e8\u95e8ID\uff0c\u800c\u4e0d\u662f\u7528\u6237\u672c\u8eab\u3002\u4f60\u5e94\u8be5\u521b\u5efa\u4e00\u4e2a\u72ec\u7acb\u7684\u201c\u90e8\u95e8\u201d\u5b9e\u4f53\u5e76\u5c06\u5176\u5173\u8054\u8d77\u6765\u3002<\/p>\n

          \u4ece\u96f6\u5f00\u59cb\u521b\u5efa\u6a21\u5f0f \ud83d\udee0\ufe0f<\/h2>\n

          \u5982\u4f55\u4ece\u4e00\u5f20\u767d\u7eb8\u8fc7\u6e21\u5230\u4e00\u4e2a\u7ed3\u6784\u5316\u7684\u56fe\u8868\uff1f\u9075\u5faa\u8fd9\u4e00\u903b\u8f91\u6b65\u9aa4\uff0c\u4ee5\u786e\u4fdd\u4e0d\u4f1a\u9057\u6f0f\u4efb\u4f55\u5185\u5bb9\u3002<\/p>\n

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

          \u5728\u753b\u4efb\u4f55\u7ebf\u6761\u4e4b\u524d\uff0c\u5148\u4e0e\u5229\u76ca\u76f8\u5173\u8005\u6c9f\u901a\u3002\u5fc5\u987b\u5b58\u50a8\u54ea\u4e9b\u6570\u636e\uff1f\u7528\u6237\u4f1a\u63d0\u51fa\u54ea\u4e9b\u95ee\u9898\uff1f\u5982\u679c\u4f60\u9700\u8981\u62a5\u544a\u201c\u5404\u533a\u57df\u603b\u9500\u552e\u989d\u201d\uff0c\u5c31\u9700\u8981\u4e00\u4e2a\u201c\u533a\u57df\u201d\u5b9e\u4f53\u548c\u4e00\u4e2a\u201c\u9500\u552e\u201d\u5b9e\u4f53\u5e76\u5c06\u5176\u5173\u8054\u3002<\/p>\n

          2. \u8bc6\u522b\u5b9e\u4f53<\/h3>\n

          \u5217\u51fa\u6bcf\u4e00\u4e2a\u4ee3\u8868\u72ec\u7acb\u5bf9\u8c61\u7684\u540d\u8bcd\u3002\u8fc7\u6ee4\u6389\u5f62\u5bb9\u8bcd\u6216\u52a8\u8bcd\u3002\u201c\u4e0b\u5355\u201d\u662f\u4e00\u4e2a\u8fc7\u7a0b\uff0c\u800c\u4e0d\u662f\u5b9e\u4f53\u3002\u201c\u8ba2\u5355\u201d\u624d\u662f\u5b9e\u4f53\u3002<\/p>\n

          3. \u5b9a\u4e49\u5c5e\u6027<\/h3>\n

          \u4e3a\u6bcf\u4e2a\u5b9e\u4f53\u5206\u914d\u5c5e\u6027\u3002\u51b3\u5b9a\u54ea\u4e9b\u5c5e\u6027\u662f\u6807\u8bc6\u7b26\u3002\u6bcf\u4e2a\u8868\u90fd\u5fc5\u987b\u6709\u4e3b\u952e\uff08PK\uff09\u4ee5\u786e\u4fdd\u552f\u4e00\u6027\u3002\u5916\u952e\uff08FK\uff09\u7528\u4e8e\u5efa\u7acb\u5173\u7cfb\u3002<\/p>\n

          4. \u5efa\u7acb\u5173\u7cfb<\/h3>\n

          \u7ed8\u5236\u8fde\u7ebf\u3002\u786e\u5b9a\u57fa\u6570\u3002\u5224\u65ad\u5173\u7cfb\u662f\u5f3a\u5236\u7684\u8fd8\u662f\u53ef\u9009\u7684\u3002\u4f8b\u5982\uff0c\u8ba2\u5355\u80fd\u5426\u5728\u6ca1\u6709\u5ba2\u6237\u7684\u60c5\u51b5\u4e0b\u5b58\u5728\uff1f\u901a\u5e38\u4e0d\u884c\u3002\u4ea7\u54c1\u80fd\u5426\u5728\u6ca1\u6709\u5206\u7c7b\u7684\u60c5\u51b5\u4e0b\u5b58\u5728\uff1f\u5982\u679c\u5141\u8bb8\u672a\u5206\u7c7b\u7684\u9879\u76ee\uff0c\u5219\u6709\u53ef\u80fd\u3002<\/p>\n

          5. \u9a8c\u8bc1\u6a21\u578b<\/h3>\n

          \u8d70\u67e5\u6570\u636e\u6d41\u3002\u5982\u679c\u7528\u6237\u6ce8\u518c\uff0c\u6570\u636e\u4f1a\u53bb\u5f80\u4f55\u5904\uff1f\u5982\u679c\u7528\u6237\u5220\u9664\u8d26\u6237\uff0c\u4ed6\u4eec\u7684\u8ba2\u5355\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f\u8be5\u56fe\u793a\u662f\u5426\u652f\u6301\u8fd9\u4e9b\u64cd\u4f5c\u800c\u4e0d\u4f1a\u9020\u6210\u6570\u636e\u4e22\u5931\uff1f<\/p>\n

          \u5e38\u89c1\u9677\u9631 \u26a0\ufe0f<\/h2>\n

          \u5373\u4f7f\u662f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5de5\u7a0b\u5e08\u4e5f\u4f1a\u72af\u9519\u3002\u610f\u8bc6\u5230\u5e38\u89c1\u9519\u8bef\u53ef\u4ee5\u4e3a\u4f60\u8282\u7701\u5927\u91cf\u540e\u671f\u91cd\u6784\u65f6\u95f4\u3002<\/p>\n

            \n
          • \u7f3a\u5c11\u5916\u952e\uff1a<\/strong>\u5728\u7eb8\u4e0a\u753b\u4e00\u6761\u7ebf\u5f88\u5bb9\u6613\u3002\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\u7ea6\u675f\u5219\u66f4\u56f0\u96be\u3002\u786e\u4fddERD\u4e2d\u7684\u6bcf\u4e00\u6761\u7ebf\u90fd\u6709\u76f8\u5e94\u7684\u6570\u636e\u5e93\u7ea6\u675f\u3002<\/li>\n
          • \u5faa\u73af\u4f9d\u8d56\uff1a<\/strong>\u907f\u514dA\u8fde\u63a5\u5230B\uff0cB\u8fde\u63a5\u5230C\uff0cC\u53c8\u56de\u5230A\u7684\u94fe\u5f0f\u7ed3\u6784\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u67e5\u8be2\u4e2d\u7684\u65e0\u9650\u5faa\u73af\uff0c\u5e76\u4f7f\u6570\u636e\u5220\u9664\u53d8\u5f97\u56f0\u96be\u3002<\/li>\n
          • \u547d\u540d\u4e0d\u4e00\u81f4\uff1a<\/strong>\u4e0d\u8981\u6df7\u7528\u201cUser_ID\u201d\u548c\u201cUserID\u201d\u3002\u575a\u6301\u4f7f\u7528\u4e00\u81f4\u7684\u547d\u540d\u89c4\u8303\u3002\u4e0b\u5212\u7ebf\u662f\u6570\u636e\u5e93\u5217\u7684\u6807\u51c6\u547d\u540d\u65b9\u5f0f\uff0c\u800c\u9a7c\u5cf0\u547d\u540d\u6cd5\u5728\u4ee3\u7801\u4e2d\u66f4\u5e38\u89c1\u3002<\/li>\n
          • \u8fc7\u5ea6\u89c4\u8303\u5316\uff1a<\/strong>\u867d\u7136\u89c4\u8303\u5316\u662f\u597d\u7684\uff0c\u4f46\u8fc7\u5ea6\u89c4\u8303\u5316\u4f1a\u4f7f\u67e5\u8be2\u53d8\u6162\u3002\u5f53\u8bfb\u53d6\u6027\u80fd\u6bd4\u5199\u5165\u6027\u80fd\u66f4\u91cd\u8981\u65f6\uff0c\u5e94\u6709\u7b56\u7565\u5730\u8fdb\u884c\u53cd\u89c4\u8303\u5316\u3002<\/li>\n
          • \u5ffd\u7565\u6570\u636e\u7c7b\u578b\uff1a<\/strong>ERD\u4e0d\u4ec5\u4ec5\u662f\u7ed3\u6784\uff1b\u5b83\u4e5f\u662f\u6570\u636e\u3002\u4e00\u4e2a\u201c\u65e5\u671f\u201d\u5b57\u6bb5\u4e0e\u201c\u5b57\u7b26\u4e32\u201d\u5b57\u6bb5\u5e76\u4e0d\u76f8\u540c\u3002\u786e\u4fdd\u56fe\u793a\u80fd\u4f53\u73b0\u6b63\u786e\u7684\u5b58\u50a8\u7c7b\u578b\u3002<\/li>\n<\/ul>\n

            ERD\u4e0e\u5176\u4ed6\u56fe\u8868\u7684\u533a\u522b \ud83c\udd9a<\/h2>\n

            \u5f88\u5bb9\u6613\u5c06ERD\u4e0e\u5176\u4ed6\u6280\u672f\u56fe\u8868\u6df7\u6dc6\u3002\u4e86\u89e3\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u80fd\u786e\u4fdd\u4f60\u4f7f\u7528\u6b63\u786e\u7684\u5de5\u5177\u5b8c\u6210\u4efb\u52a1\u3002<\/p>\n

              \n
            • \u6d41\u7a0b\u56fe\uff1a<\/strong> \u5b83\u4eec\u5c55\u793a\u903b\u8f91\u6216\u63a7\u5236\u7684\u6d41\u7a0b\u3002\u4f7f\u7528\u83f1\u5f62\u8868\u793a\u51b3\u7b56\uff0c\u77e9\u5f62\u8868\u793a\u8fc7\u7a0b\u3002\u5b83\u4eec\u4e0d\u5c55\u793a\u6570\u636e\u7ed3\u6784\u3002<\/li>\n
            • \u6a21\u5f0f\u56fe\uff1a<\/strong> \u5b83\u4eec\u901a\u5e38\u662f\u901a\u8fc7\u4ece\u73b0\u6709\u6570\u636e\u5e93\u751f\u6210\u56fe\u8868\u5f97\u5230\u7684\u3002\u5b83\u4eec\u662f\u7269\u7406\u5b9e\u73b0\uff0c\u901a\u5e38\u663e\u793a\u7d22\u5f15\u548c\u7279\u5b9a\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n
            • \u6982\u5ff5\u6a21\u578b\uff1a<\/strong> \u5b83\u4eec\u662f\u9ad8\u5c42\u6b21\u7684ERD\u3002\u5b83\u4eec\u5173\u6ce8\u4e1a\u52a1\u6982\u5ff5\uff0c\u800c\u4e0d\u662f\u6280\u672f\u5b9e\u73b0\u7ec6\u8282\uff0c\u5982\u6570\u636e\u7c7b\u578b\u6216\u8868\u540d\u3002<\/li>\n<\/ul>\n

              \u5728\u903b\u8f91\u8bbe\u8ba1\u9636\u6bb5\u4f7f\u7528ERD\u3002\u5728\u7269\u7406\u5b9e\u73b0\u9636\u6bb5\u4f7f\u7528\u6a21\u5f0f\u56fe\u3002<\/p>\n

              \u7ef4\u62a4\u4e0e\u6f14\u8fdb \ud83d\udd04<\/h2>\n

              \u6570\u636e\u5e93\u4e0d\u662f\u4e00\u6b21\u6027\u7684\u9879\u76ee\u3002\u968f\u7740\u4e1a\u52a1\u7684\u53d8\u5316\uff0c\u5b83\u4e5f\u5728\u4e0d\u65ad\u6f14\u8fdb\u3002\u4f60\u7684ERD\u4e5f\u5fc5\u987b\u968f\u4e4b\u6f14\u8fdb\u3002<\/p>\n

                \n
              • \u7248\u672c\u63a7\u5236\uff1a<\/strong> \u628a\u4f60\u7684\u56fe\u8868\u5f53\u4f5c\u4ee3\u7801\u4e00\u6837\u5bf9\u5f85\u3002\u5c06\u5176\u4fdd\u5b58\u5728\u4ee3\u7801\u4ed3\u5e93\u4e2d\u3002\u8ddf\u8e2a\u53d8\u66f4\u3002\u5982\u679c\u4f60\u6dfb\u52a0\u4e86\u4e00\u5217\uff0c\u8981\u8bb0\u5f55\u539f\u56e0\u3002<\/li>\n
              • \u6587\u6863\uff1a<\/strong> \u56fe\u8868\u662f\u4e00\u79cd\u89c6\u89c9\u8f85\u52a9\u5de5\u5177\uff0c\u4f46\u6ce8\u91ca\u624d\u80fd\u89e3\u91ca\u4e0a\u4e0b\u6587\u3002\u4e3a\u590d\u6742\u7684\u903b\u8f91\u6216\u7279\u5b9a\u7ea6\u675f\u6dfb\u52a0\u5907\u6ce8\u3002<\/li>\n
              • \u5ba1\u67e5\u5468\u671f\uff1a<\/strong> \u5b89\u6392\u5b9a\u671f\u5ba1\u67e5\u6570\u636e\u6a21\u578b\u3002\u65e7\u7684\u5047\u8bbe\u53ef\u80fd\u5df2\u4e0d\u518d\u6210\u7acb\u3002\u4e94\u5e74\u524d\u8fd8\u662f\u201c\u53ef\u9009\u201d\u7684\u5b57\u6bb5\uff0c\u73b0\u5728\u53ef\u80fd\u5df2\u662f\u201c\u5fc5\u586b\u201d\u3002<\/li>\n<\/ul>\n

                \u5173\u4e8e\u6570\u636e\u5b8c\u6574\u6027\u7684\u6700\u540e\u601d\u8003 \u2705<\/h2>\n

                \u5b9e\u4f53\u5173\u7cfb\u56fe\u662f\u60a8\u6570\u636e\u57fa\u7840\u8bbe\u65bd\u7684\u84dd\u56fe\u3002\u5728\u7f16\u5199\u4efb\u4f55\u4e00\u884cSQL\u4e4b\u524d\uff0c\u8fd9\u91cc\u5c31\u662f\u4f60\u51b3\u5b9a\u4fe1\u606f\u5982\u4f55\u8fde\u63a5\u7684\u5730\u65b9\u3002\u4e00\u4e2a\u8bbe\u8ba1\u826f\u597d\u7684ERD\u80fd\u5e26\u6765\u66f4\u5feb\u7684\u67e5\u8be2\u901f\u5ea6\u3001\u66f4\u7b80\u5355\u7684\u7ef4\u62a4\u4ee5\u53ca\u66f4\u5c11\u7684\u9519\u8bef\u3002<\/p>\n

                \u5bf9\u521d\u7ea7\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u6295\u5165\u65f6\u95f4\u5b66\u4e60\u8fd9\u9879\u6280\u80fd\u5c06\u5e26\u6765\u4e30\u539a\u56de\u62a5\u3002\u5b83\u80fd\u8ba9\u4f60\u7684\u89c6\u89d2\u4ece\u7f16\u5199\u5b64\u7acb\u7684\u67e5\u8be2\u8f6c\u53d8\u4e3a\u8bbe\u8ba1\u7edf\u4e00\u7684\u7cfb\u7edf\u3002\u5bf9\u6570\u636e\u5e93\u7ba1\u7406\u5458\u800c\u8a00\uff0c\u8fd9\u662f\u5ba1\u8ba1\u548c\u4f18\u5316\u5e95\u5c42\u5b58\u50a8\u7684\u4e3b\u8981\u5de5\u5177\u3002<\/p>\n

                \u5173\u6ce8\u6e05\u6670\u6027\u3002\u5173\u6ce8\u5173\u7cfb\u3002\u5173\u6ce8\u8ba9\u6570\u636e\u4fdd\u6301\u8bda\u5b9e\u7684\u89c4\u5219\u3002\u8fd9\u5c31\u662f\u6570\u636e\u5e93\u8bbe\u8ba1\u7684\u7cbe\u9ad3\u3002<\/p>\n

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