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\"ER<\/p>\n

\u7406\u89e3\u7c7b\u56fe<\/strong><\/p>\n

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\u7406\u89e3\u5b9e\u4f53-\u5173\u7cfb\u56fe\uff08ERD\uff09<\/strong><\/p>\n

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\u4e3a\u4f55\u8981\u4ece\u7c7b\u56fe\u8fc7\u6e21\u5230ERD\uff1f<\/strong><\/p>\n

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    \n
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  2. \u6570\u636e\u5e93\u4f18\u5316\uff1a<\/strong>ERD\u6709\u52a9\u4e8e\u8bc6\u522b\u6f5c\u5728\u95ee\u9898\uff0c\u5982\u5197\u4f59\u3001\u89c4\u8303\u5316\u548c\u6570\u636e\u5b8c\u6574\u6027\u7ea6\u675f\uff0c\u4ece\u800c\u80fd\u591f\u521b\u5efa\u9ad8\u6548\u7684\u6570\u636e\u5e93\u7ed3\u6784\u3002<\/li>\n
  3. \u6e05\u6670\u7684\u6570\u636e\u5e93\u6a21\u5f0f\uff1a<\/strong>ERD\u521b\u5efa\u4e86\u6570\u636e\u5e93\u6a21\u5f0f\u7684\u6e05\u6670\u89c6\u89c9\u8868\u793a\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u548c\u6570\u636e\u5e93\u7ba1\u7406\u5458\u66f4\u5bb9\u6613\u7406\u89e3\u6570\u636e\u7ed3\u6784\u548c\u5173\u7cfb\u3002<\/li>\n<\/ol>\n

    \u5c06\u7c7b\u56fe\u6269\u5c55\u4e3aERD\u7684\u6b65\u9aa4<\/strong><\/p>\n

      \n
    1. \u8bc6\u522b\u7c7b\u548c\u5b9e\u4f53\uff1a<\/strong>\u9996\u5148\uff0c\u8bc6\u522b\u7c7b\u56fe\u4e2d\u8868\u793a\u6301\u4e45\u5316\u6570\u636e\u7684\u7c7b\u3002\u8fd9\u4e9b\u7c7b\u5c06\u6210\u4e3aERD\u4e2d\u7684\u5b9e\u4f53\u3002<\/li>\n
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    4. \u6570\u636e\u89c4\u8303\u5316\uff1a<\/strong>\u5bf9\u6570\u636e\u8fdb\u884c\u89c4\u8303\u5316\uff0c\u4ee5\u6700\u5c0f\u5316\u5197\u4f59\u5e76\u63d0\u9ad8\u6570\u636e\u5b8c\u6574\u6027\u3002\u786e\u4fdd\u6570\u636e\u88ab\u7ec4\u7ec7\u6210\u7b26\u5408\u89c4\u8303\u5316\u539f\u5219\u7684\u8868\u3002<\/li>\n
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    6. \u5ba1\u67e5\u4e0e\u4f18\u5316\uff1a<\/strong> \u4ed4\u7ec6\u5ba1\u67e5\u60a8\u7684ERD\uff0c\u4ee5\u786e\u4fdd\u5b83\u51c6\u786e\u53cd\u6620\u6570\u636e\u6a21\u578b\u3002\u5982\u6709\u5fc5\u8981\uff0c\u8bf7\u8fdb\u884c\u4fee\u6539\uff0c\u4f7f\u5176\u4e0eIT\u7cfb\u7edf\u7684\u9700\u6c42\u4fdd\u6301\u4e00\u81f4\u3002<\/li>\n<\/ol>\n

      \u7ed3\u8bba<\/strong><\/p>\n

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