{"id":6551,"date":"2026-02-05T09:46:44","date_gmt":"2026-02-05T01:46:44","guid":{"rendered":"https:\/\/guides.visual-paradigm.com\/cn\/a-comprehensive-guide-to-database-normalization-with-examples\/"},"modified":"2026-02-05T09:46:44","modified_gmt":"2026-02-05T01:46:44","slug":"a-comprehensive-guide-to-database-normalization-with-examples","status":"publish","type":"post","link":"https:\/\/guides.visual-paradigm.com\/cn\/a-comprehensive-guide-to-database-normalization-with-examples\/","title":{"rendered":"\u6570\u636e\u5e93\u89c4\u8303\u5316\u8be6\u89e3\u4e0e\u793a\u4f8b"},"content":{"rendered":"

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      3<\/td>\n\u4eba\u5de5\u667a\u80fd<\/td>\n103<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u8be5\u8868\u8fdd\u53cd\u4e86BCNF\uff0c\u56e0\u4e3a\u7814\u7a76\u9886\u57df<\/code>\u548c\u529e\u516c\u5ba4\u53f7\u7801<\/code>\u4e4b\u95f4\u5b58\u5728\u975e\u5e73\u51e1\u7684\u51fd\u6570\u4f9d\u8d56\u5173\u7cfb\uff08\u5373\u529e\u516c\u5ba4\u53f7\u7801\u53d6\u51b3\u4e8e\u7814\u7a76\u9886\u57df\uff09\u3002\u4e3a\u4e86\u8fbe\u5230BCNF\uff0c\u6211\u4eec\u5c06\u8be5\u8868\u62c6\u5206\u4e3a\u4e24\u4e2a\u72ec\u7acb\u7684\u8868\uff1a<\/p>\n

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      \u6559\u6388ID<\/th>\n\u6559\u6388\u59d3\u540d<\/th>\n<\/tr>\n<\/thead>\n
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      3<\/td>\n\u6234\u7ef4\u65af\u6559\u6388<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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      \u7814\u7a76\u9886\u57df<\/th>\n\u529e\u516c\u5ba4\u53f7\u7801<\/th>\n<\/tr>\n<\/thead>\n
      \u4eba\u5de5\u667a\u80fd<\/td>\n101<\/td>\n<\/tr>\n
      \u673a\u5668\u5b66\u4e60<\/td>\n102<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u6559\u6388\u7814\u7a76\u8868\uff1a<\/strong><\/p>\n\n\n\n\n\n\n\n
      \u6559\u6388ID<\/th>\n\u7814\u7a76\u9886\u57df<\/th>\n<\/tr>\n<\/thead>\n
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      3<\/td>\n\u4eba\u5de5\u667a\u80fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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      \u7b2c\u56db\u8303\u5f0f\uff084NF\uff09<\/h2>\n

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      \u4f5c\u8005ID<\/th>\n\u4f5c\u8005\u59d3\u540d<\/th>\n<\/tr>\n<\/thead>\n
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      3<\/td>\n\u4f5c\u8005Z<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u56fe\u4e66\u4f5c\u8005\u8868\uff1a<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
      \u56fe\u4e66ID<\/th>\n\u4f5c\u8005ID<\/th>\n<\/tr>\n<\/thead>\n
      1<\/td>\n1<\/td>\n<\/tr>\n
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      \u7ed3\u8bba<\/h2>\n

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      \u7406\u89e3\u89c4\u8303\u5316\u7684\u539f\u5219\u5e76\u7ed3\u5408\u5b9e\u9645\u6848\u4f8b\u8fdb\u884c\u5b9e\u8df5\uff0c\u5bf9\u4e8e\u6570\u636e\u5e93\u7ba1\u7406\u5458\u548c\u5f00\u53d1\u4eba\u5458\u521b\u5efa\u9ad8\u6548\u4e14\u7a33\u5065\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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