{"id":186636,"date":"2024-11-11T07:34:19","date_gmt":"2024-11-10T23:34:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186636\/"},"modified":"2024-11-11T07:34:20","modified_gmt":"2024-11-10T23:34:20","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%8f%e7%af%84%e5%8c%96%ef%bc%9a%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2%e6%95%88%e7%8e%87%e7%9a%84%e9%97%9c%e9%8d%b5-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186636\/","title":{"rendered":"\u6578\u64da\u5eab\u898f\u7bc4\u5316\uff1a\u63d0\u9ad8\u6578\u64da\u5b58\u5132\u6548\u7387\u7684\u95dc\u9375 (\u6578\u64da\u5eab\u6578\u64da\u898f\u7bc4\u5316)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%8f%e7%af%84%e5%8c%96%ef%bc%9a%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2%e6%95%88%e7%8e%87%e7%9a%84%e9%97%9c%e9%8d%b5-WIqWitCKmp\">\u6578\u64da\u5eab\u898f\u7bc4\u5316\uff1a\u63d0\u9ad8\u6578\u64da\u5b58\u5132\u6548\u7387\u7684\u95dc\u9375<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u548c\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u6578\u64da\u5eab\u898f\u7bc4\u5316\uff08Normalization\uff09\u662f\u4e00\u7a2e\u8a2d\u8a08\u6280\u8853\uff0c\u65e8\u5728\u63d0\u9ad8\u6578\u64da\u5b58\u5132\u7684\u6548\u7387\uff0c\u6e1b\u5c11\u6578\u64da\u5197\u9918\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u898f\u7bc4\u5316\u7684\u6982\u5ff5\u3001\u904e\u7a0b\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%8f%e7%af%84%e5%8c%96%ef%bc%9f-WIqWitCKmp\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u898f\u7bc4\u5316\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u898f\u7bc4\u5316\u662f\u5c07\u6578\u64da\u7d44\u7e54\u6210\u8868\u683c\u7684\u904e\u7a0b\uff0c\u4ee5\u6e1b\u5c11\u91cd\u8907\u6578\u64da\u4e26\u63d0\u9ad8\u6578\u64da\u5b8c\u6574\u6027\u3002\u9019\u4e00\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u5c07\u6578\u64da\u5206\u89e3\u70ba\u591a\u500b\u76f8\u95dc\u7684\u8868\u683c\uff0c\u4e26\u901a\u904e\u5916\u9375\uff08Foreign Key\uff09\u4f86\u5efa\u7acb\u5b83\u5011\u4e4b\u9593\u7684\u95dc\u806f\u3002\u898f\u7bc4\u5316\u7684\u4e3b\u8981\u76ee\u7684\u662f\u6d88\u9664\u6578\u64da\u5197\u9918\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u5b58\u5132\u6548\u7387\u548c\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e8%a6%8f%e7%af%84%e5%8c%96%e7%9a%84%e9%9a%8e%e6%ae%b5-WIqWitCKmp\">\u898f\u7bc4\u5316\u7684\u968e\u6bb5<\/h2>\n<p>\u6578\u64da\u5eab\u898f\u7bc4\u5316\u901a\u5e38\u5206\u70ba\u5e7e\u500b\u968e\u6bb5\uff0c\u7a31\u70ba\u300c\u6b63\u898f\u5f62\u5f0f\u300d\uff08Normal Forms\uff09\u3002\u4ee5\u4e0b\u662f\u6700\u5e38\u898b\u7684\u5e7e\u500b\u6b63\u898f\u5f62\u5f0f\uff1a<\/p>\n<ul>\n<li><strong>\u7b2c\u4e00\u6b63\u898f\u5f62\u5f0f\uff081NF\uff09<\/strong>\uff1a\u8981\u6c42\u6bcf\u500b\u8868\u683c\u4e2d\u7684\u6bcf\u4e00\u5217\u90fd\u5fc5\u9808\u662f\u539f\u5b50\u6027\u7684\uff0c\u5373\u6bcf\u500b\u6b04\u4f4d\u53ea\u80fd\u5305\u542b\u55ae\u4e00\u503c\uff0c\u4e0d\u80fd\u6709\u91cd\u8907\u7684\u5217\u3002<\/li>\n<li><strong>\u7b2c\u4e8c\u6b63\u898f\u5f62\u5f0f\uff082NF\uff09<\/strong>\uff1a\u5728\u6eff\u8db31NF\u7684\u57fa\u790e\u4e0a\uff0c\u8981\u6c42\u6bcf\u500b\u975e\u4e3b\u9375\u6b04\u4f4d\u5fc5\u9808\u5b8c\u5168\u4f9d\u8cf4\u65bc\u4e3b\u9375\uff0c\u6d88\u9664\u90e8\u5206\u4f9d\u8cf4\u3002<\/li>\n<li><strong>\u7b2c\u4e09\u6b63\u898f\u5f62\u5f0f\uff083NF\uff09<\/strong>\uff1a\u5728\u6eff\u8db32NF\u7684\u57fa\u790e\u4e0a\uff0c\u8981\u6c42\u6bcf\u500b\u975e\u4e3b\u9375\u6b04\u4f4d\u5fc5\u9808\u76f4\u63a5\u4f9d\u8cf4\u65bc\u4e3b\u9375\uff0c\u6d88\u9664\u50b3\u905e\u4f9d\u8cf4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a6%8f%e7%af%84%e5%8c%96%e7%9a%84%e5%84%aa%e5%8b%a2-WIqWitCKmp\">\u6578\u64da\u5eab\u898f\u7bc4\u5316\u7684\u512a\u52e2<\/h2>\n<p>\u6578\u64da\u5eab\u898f\u7bc4\u5316\u5e36\u4f86\u4e86\u591a\u65b9\u9762\u7684\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u6e1b\u5c11\u6578\u64da\u5197\u9918<\/strong>\uff1a\u901a\u904e\u5c07\u6578\u64da\u5206\u89e3\u70ba\u591a\u500b\u8868\u683c\uff0c\u898f\u7bc4\u5316\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u91cd\u8907\u6578\u64da\u7684\u5b58\u5132\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u6578\u64da\u4e00\u81f4\u6027<\/strong>\uff1a\u7576\u6578\u64da\u88ab\u66f4\u65b0\u6642\uff0c\u898f\u7bc4\u5316\u53ef\u4ee5\u78ba\u4fdd\u6240\u6709\u76f8\u95dc\u8868\u683c\u4e2d\u7684\u6578\u64da\u4fdd\u6301\u4e00\u81f4\uff0c\u5f9e\u800c\u6e1b\u5c11\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u98a8\u96aa\u3002<\/li>\n<li><strong>\u589e\u5f37\u67e5\u8a62\u6027\u80fd<\/strong>\uff1a\u96d6\u7136\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u904e\u5ea6\u898f\u7bc4\u5316\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\uff0c\u4f46\u9069\u7576\u7684\u898f\u7bc4\u5316\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u591a\u500b\u8868\u683c\u7684\u806f\u63a5\u64cd\u4f5c\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e4%b8%ad%e7%9a%84%e6%8c%91%e6%88%b0-WIqWitCKmp\">\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u6311\u6230<\/h2>\n<p>\u5118\u7ba1\u6578\u64da\u5eab\u898f\u7bc4\u5316\u6709\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u4e5f\u9762\u81e8\u4e00\u4e9b\u6311\u6230\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u554f\u984c<\/strong>\uff1a\u904e\u5ea6\u898f\u7bc4\u5316\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u70ba\u9700\u8981\u9032\u884c\u591a\u6b21\u806f\u63a5\u64cd\u4f5c\u4f86\u7372\u53d6\u6240\u9700\u6578\u64da\u3002<\/li>\n<li><strong>\u8a2d\u8a08\u8907\u96dc\u6027<\/strong>\uff1a\u898f\u7bc4\u5316\u7684\u904e\u7a0b\u53ef\u80fd\u6703\u4f7f\u6578\u64da\u5eab\u8a2d\u8a08\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/li>\n<li><strong>\u7dad\u8b77\u6210\u672c<\/strong>\uff1a\u96a8\u8457\u6578\u64da\u5eab\u7684\u589e\u9577\uff0c\u7dad\u8b77\u898f\u7bc4\u5316\u7d50\u69cb\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u6642\u9593\u548c\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-WIqWitCKmp\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u898f\u7bc4\u5316\u662f\u4e00\u7a2e\u95dc\u9375\u7684\u6578\u64da\u7ba1\u7406\u6280\u8853\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5b58\u5132\u7684\u6548\u7387\u548c\u4e00\u81f4\u6027\u3002\u96d6\u7136\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u6311\u6230\uff0c\u4f46\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u65bd\uff0c\u898f\u7bc4\u5316\u53ef\u4ee5\u70ba\u4f01\u696d\u5e36\u4f86\u9577\u671f\u7684\u6548\u76ca\u3002\u5c0d\u65bc\u5e0c\u671b\u512a\u5316\u6578\u64da\u5b58\u5132\u548c\u7ba1\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u7406\u89e3\u548c\u61c9\u7528\u6578\u64da\u5eab\u898f\u7bc4\u5316\u7684\u539f\u5247\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u898f\u7bc4\u5316\u7684\u539f\u5247\uff0c\u4e86\u89e3\u5982\u4f55\u63d0\u9ad8\u6578\u64da\u5b58\u5132\u6548\u7387\uff0c\u6e1b\u5c11\u5197\u9918\uff0c\u512a\u5316\u6578\u64da\u7ba1\u7406\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-186636","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186636","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=186636"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186636\/revisions"}],"predecessor-version":[{"id":186637,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186636\/revisions\/186637"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}