{"id":186186,"date":"2024-11-11T03:49:23","date_gmt":"2024-11-10T19:49:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186186\/"},"modified":"2024-11-11T03:49:24","modified_gmt":"2024-11-10T19:49:24","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%bb%e9%8d%b5%e8%a7%a3%e6%9e%90%ef%bc%9a%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e6%ba%96%e7%a2%ba%e6%80%a7%e5%92%8c%e9%ab%98%e6%95%88%e6%80%a7%ef%bc%88%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186186\/","title":{"rendered":"\u6578\u64da\u5eab\u8868\u4e3b\u9375\u89e3\u6790\uff1a\u5be6\u73fe\u6578\u64da\u6e96\u78ba\u6027\u548c\u9ad8\u6548\u6027\uff08\u6578\u64da\u5eab\u8868\u7684\u4e3b\u9375\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%bb%e9%8d%b5%e8%a7%a3%e6%9e%90%ef%bc%9a%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e6%ba%96%e7%a2%ba%e6%80%a7%e5%92%8c%e9%ab%98%e6%95%88%e6%80%a7-XQyRcHYSBs\">\u6578\u64da\u5eab\u8868\u4e3b\u9375\u89e3\u6790\uff1a\u5be6\u73fe\u6578\u64da\u6e96\u78ba\u6027\u548c\u9ad8\u6548\u6027<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u4e3b\u9375\uff08Primary Key\uff09\u662f\u6bcf\u500b\u6578\u64da\u8868\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5b83\u4e0d\u50c5\u7528\u65bc\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u884c\u6578\u64da\uff0c\u9084\u5728\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u67e5\u8a62\u6548\u7387\u65b9\u9762\u767c\u63ee\u8457\u91cd\u8981\u4f5c\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u4e3b\u9375\u7684\u6982\u5ff5\u3001\u985e\u578b\u53ca\u5176\u5728\u6578\u64da\u5eab\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e4%b8%bb%e9%8d%b5%ef%bc%9f-XQyRcHYSBs\">\u4ec0\u9ebc\u662f\u4e3b\u9375\uff1f<\/h2>\n<p>\u4e3b\u9375\u662f\u6578\u64da\u5eab\u8868\u4e2d\u4e00\u500b\u6216\u591a\u500b\u5217\u7684\u7d44\u5408\uff0c\u9019\u4e9b\u5217\u7684\u503c\u80fd\u5920\u552f\u4e00\u5730\u6a19\u8b58\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u3002\u4e3b\u9375\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong>\u4e3b\u9375\u7684\u503c\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u540c\u4e00\u8868\u4e2d\u4e0d\u80fd\u6709\u5169\u884c\u64c1\u6709\u76f8\u540c\u7684\u4e3b\u9375\u503c\u3002<\/li>\n<li><strong>\u975e\u7a7a\u6027\uff1a<\/strong>\u4e3b\u9375\u5217\u4e0d\u80fd\u5305\u542b\u7a7a\u503c\uff08NULL\uff09\uff0c\u6bcf\u4e00\u884c\u90fd\u5fc5\u9808\u6709\u4e00\u500b\u6709\u6548\u7684\u4e3b\u9375\u503c\u3002<\/li>\n<li><strong>\u7a69\u5b9a\u6027\uff1a<\/strong>\u4e3b\u9375\u7684\u503c\u61c9\u8a72\u5728\u6578\u64da\u7684\u751f\u547d\u5468\u671f\u5167\u4fdd\u6301\u4e0d\u8b8a\uff0c\u907f\u514d\u983b\u7e41\u4fee\u6539\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%b8%bb%e9%8d%b5%e7%9a%84%e9%a1%9e%e5%9e%8b-XQyRcHYSBs\">\u4e3b\u9375\u7684\u985e\u578b<\/h2>\n<p>\u4e3b\u9375\u53ef\u4ee5\u5206\u70ba\u5e7e\u7a2e\u985e\u578b\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<h3 id=\"%e8%87%aa%e7%84%b6%e4%b8%bb%e9%8d%b5-XQyRcHYSBs\">\u81ea\u7136\u4e3b\u9375<\/h3>\n<p>\u81ea\u7136\u4e3b\u9375\u662f\u6307\u4f86\u81ea\u696d\u52d9\u908f\u8f2f\u7684\u6578\u64da\u5217\uff0c\u4f8b\u5982\u793e\u6703\u5b89\u5168\u865f\u78bc\u6216\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002\u9019\u4e9b\u503c\u5728\u73fe\u5be6\u4e16\u754c\u4e2d\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u80fd\u5920\u76f4\u63a5\u53cd\u6620\u6578\u64da\u7684\u7279\u6027\u3002<\/p>\n<h3 id=\"%e4%bb%a3%e7%90%86%e4%b8%bb%e9%8d%b5-XQyRcHYSBs\">\u4ee3\u7406\u4e3b\u9375<\/h3>\n<p>\u4ee3\u7406\u4e3b\u9375\u662f\u7531\u6578\u64da\u5eab\u7cfb\u7d71\u81ea\u52d5\u751f\u6210\u7684\u552f\u4e00\u6a19\u8b58\u7b26\uff0c\u901a\u5e38\u662f\u6574\u6578\u985e\u578b\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u81ea\u589e\u6574\u6578\u4f5c\u70ba\u4e3b\u9375\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u9ede\u5728\u65bc\u7c21\u55ae\u4e14\u4e0d\u4f9d\u8cf4\u65bc\u696d\u52d9\u908f\u8f2f\uff0c\u6e1b\u5c11\u4e86\u6578\u64da\u7684\u8026\u5408\u6027\u3002<\/p>\n<h3 id=\"%e8%a4%87%e5%90%88%e4%b8%bb%e9%8d%b5-XQyRcHYSBs\">\u8907\u5408\u4e3b\u9375<\/h3>\n<p>\u8907\u5408\u4e3b\u9375\u662f\u7531\u5169\u500b\u6216\u591a\u500b\u5217\u7d44\u6210\u7684\u4e3b\u9375\uff0c\u9019\u4e9b\u5217\u7684\u7d44\u5408\u80fd\u5920\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u884c\u6578\u64da\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u51fa\u73fe\u5728\u591a\u5c0d\u591a\u7684\u95dc\u806f\u4e2d\uff0c\u4f8b\u5982\u5b78\u751f\u548c\u8ab2\u7a0b\u7684\u95dc\u806f\u8868\u3002<\/p>\n<h2 id=\"%e4%b8%bb%e9%8d%b5%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-XQyRcHYSBs\">\u4e3b\u9375\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u4e3b\u9375\u5728\u6578\u64da\u5eab\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u4e3b\u8981\u9ad4\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<h3 id=\"%e6%95%b8%e6%93%9a%e5%ae%8c%e6%95%b4%e6%80%a7-XQyRcHYSBs\">\u6578\u64da\u5b8c\u6574\u6027<\/h3>\n<p>\u4e3b\u9375\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9632\u6b62\u4e86\u91cd\u8907\u6578\u64da\u7684\u51fa\u73fe\u3002\u9019\u5c0d\u65bc\u7dad\u8b77\u6578\u64da\u7684\u6e96\u78ba\u6027\u81f3\u95dc\u91cd\u8981\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\u3002<\/p>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87-XQyRcHYSBs\">\u67e5\u8a62\u6548\u7387<\/h3>\n<p>\u4e3b\u9375\u901a\u5e38\u6703\u88ab\u7d22\u5f15\uff0c\u9019\u4f7f\u5f97\u57fa\u65bc\u4e3b\u9375\u7684\u67e5\u8a62\u64cd\u4f5c\u66f4\u52a0\u9ad8\u6548\u3002\u7576\u6578\u64da\u91cf\u589e\u5927\u6642\uff0c\u7d22\u5f15\u80fd\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<h3 id=\"%e9%97%9c%e8%81%af%e6%80%a7-XQyRcHYSBs\">\u95dc\u806f\u6027<\/h3>\n<p>\u5728\u95dc\u806f\u6578\u64da\u5eab\u4e2d\uff0c\u4e3b\u9375\u7528\u65bc\u5efa\u7acb\u8868\u4e4b\u9593\u7684\u95dc\u806f\u3002\u5916\u9375\uff08Foreign Key\uff09\u53c3\u8003\u4e3b\u9375\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u4e0d\u540c\u8868\u4e4b\u9593\u5efa\u7acb\u806f\u7e6b\uff0c\u5be6\u73fe\u6578\u64da\u7684\u6574\u5408\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e4%b8%bb%e9%8d%b5-XQyRcHYSBs\">\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u4e3b\u9375<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u4e3b\u9375\u662f\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u6b65\u9a5f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9078\u64c7\u4e3b\u9375\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u9078\u64c7\u4e0d\u6703\u8b8a\u66f4\u7684\u5217\u4f5c\u70ba\u4e3b\u9375\uff0c\u907f\u514d\u56e0\u6578\u64da\u8b8a\u66f4\u800c\u5f71\u97ff\u4e3b\u9375\u7684\u552f\u4e00\u6027\u3002<\/li>\n<li>\u76e1\u91cf\u4f7f\u7528\u7c21\u55ae\u7684\u6578\u64da\u985e\u578b\uff0c\u5982\u6574\u6578\uff0c\u56e0\u70ba\u5b83\u5011\u5728\u7d22\u5f15\u548c\u67e5\u8a62\u6642\u6027\u80fd\u66f4\u4f73\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u696d\u52d9\u908f\u8f2f\u4e2d\u7684\u6578\u64da\u4f5c\u70ba\u4e3b\u9375\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u7684\u8026\u5408\u6027\u589e\u52a0\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-XQyRcHYSBs\">\u7d50\u8ad6<\/h2>\n<p>\u4e3b\u9375\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u81f3\u95dc\u91cd\u8981\uff0c\u5b83\u4e0d\u50c5\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u552f\u4e00\u6027\u548c\u5b8c\u6574\u6027\uff0c\u9084\u63d0\u9ad8\u4e86\u67e5\u8a62\u6548\u7387\u3002\u7121\u8ad6\u662f\u9078\u64c7\u81ea\u7136\u4e3b\u9375\u9084\u662f\u4ee3\u7406\u4e3b\u9375\uff0c\u8a2d\u8a08\u8005\u90fd\u61c9\u6839\u64da\u5177\u9ad4\u9700\u6c42\u505a\u51fa\u660e\u667a\u7684\u9078\u64c7\u3002\u901a\u904e\u5408\u7406\u7684\u4e3b\u9375\u8a2d\u8a08\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u6578\u64da\u5eab\u548c\u96f2\u8a08\u7b97\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u63a2\u7d22\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u53ca\u5176\u4ed6\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u8868\u4e3b\u9375\u7684\u89e3\u6790\uff0c\u4e86\u89e3\u5176\u5728\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\u548c\u9ad8\u6548\u6027\u4e2d\u7684\u95dc\u9375\u89d2\u8272\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-186186","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186186","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=186186"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186186\/revisions"}],"predecessor-version":[{"id":186187,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186186\/revisions\/186187"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}