{"id":186920,"date":"2024-11-11T09:56:33","date_gmt":"2024-11-11T01:56:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186920\/"},"modified":"2024-11-11T09:56:34","modified_gmt":"2024-11-11T01:56:34","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a8%a1%e5%bc%8f%e8%ae%8a%e5%8c%96%e5%bd%b1%e9%9f%bf%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd%e5%97%8e%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a8%a1%e5%bc%8f%e7%99%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186920\/","title":{"rendered":"\u6578\u64da\u5eab\u6a21\u5f0f\u8b8a\u5316\u5f71\u97ff\u6578\u64da\u5eab\u6027\u80fd\u55ce\uff1f (\u6578\u64da\u5eab\u6a21\u5f0f\u767c\u751f\u6539\u8b8a\u55ce)"},"content":{"rendered":"<h1 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id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a8%a1%e5%bc%8f%ef%bc%9f-NTszdNywUU\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u6a21\u5f0f\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u6a21\u5f0f\u662f\u6307\u6578\u64da\u5eab\u4e2d\u6578\u64da\u7684\u7d50\u69cb\u548c\u7d44\u7e54\u65b9\u5f0f\u3002\u5b83\u5b9a\u7fa9\u4e86\u6578\u64da\u8868\u3001\u5b57\u6bb5\u3001\u6578\u64da\u985e\u578b\u3001\u7d04\u675f\u689d\u4ef6\u53ca\u5176\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u6578\u64da\u5eab\u6a21\u5f0f\u7684\u8a2d\u8a08\u5c0d\u65bc\u6578\u64da\u7684\u5b58\u53d6\u6548\u7387\u548c\u6574\u9ad4\u6027\u80fd\u6709\u8457\u76f4\u63a5\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a8%a1%e5%bc%8f%e8%ae%8a%e5%8c%96%e7%9a%84%e5%8e%9f%e5%9b%a0-NTszdNywUU\">\u6578\u64da\u5eab\u6a21\u5f0f\u8b8a\u5316\u7684\u539f\u56e0<\/h2>\n<p>\u6578\u64da\u5eab\u6a21\u5f0f\u7684\u8b8a\u5316\u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u696d\u52d9\u9700\u6c42\u8b8a\u5316\uff1a<\/strong>\u96a8\u8457\u4f01\u696d\u7684\u767c\u5c55\uff0c\u696d\u52d9\u9700\u6c42\u53ef\u80fd\u6703\u767c\u751f\u8b8a\u5316\uff0c\u9019\u9700\u8981\u5c0d\u6578\u64da\u5eab\u9032\u884c\u8abf\u6574\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u70ba\u4e86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u53ef\u80fd\u9700\u8981\u91cd\u65b0\u8a2d\u8a08\u6578\u64da\u5eab\u6a21\u5f0f\u3002<\/li>\n<li><strong>\u6280\u8853\u66f4\u65b0\uff1a<\/strong>\u65b0\u6280\u8853\u7684\u51fa\u73fe\u53ef\u80fd\u4fc3\u4f7f\u4f01\u696d\u91cd\u65b0\u8003\u616e\u5176\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a8%a1%e5%bc%8f%e8%ae%8a%e5%8c%96%e5%b0%8d%e6%80%a7%e8%83%bd%e7%9a%84%e5%bd%b1%e9%9f%bf-NTszdNywUU\">\u6578\u64da\u5eab\u6a21\u5f0f\u8b8a\u5316\u5c0d\u6027\u80fd\u7684\u5f71\u97ff<\/h2>\n<p>\u6578\u64da\u5eab\u6a21\u5f0f\u7684\u8b8a\u5316\u53ef\u80fd\u6703\u5c0d\u6027\u80fd\u7522\u751f\u591a\u65b9\u9762\u7684\u5f71\u97ff\uff1a<\/p>\n<h3 id=\"1-%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-NTszdNywUU\">1. \u67e5\u8a62\u6027\u80fd<\/h3>\n<p>\u7576\u6578\u64da\u5eab\u6a21\u5f0f\u767c\u751f\u8b8a\u5316\u6642\uff0c\u67e5\u8a62\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u5927\u578b\u8868\u62c6\u5206\u70ba\u591a\u500b\u5c0f\u8868\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u56e0\u70ba\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6bcf\u6b21\u67e5\u8a62\u6240\u9700\u6383\u63cf\u7684\u6578\u64da\u91cf\u3002\u7136\u800c\uff0c\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u7684\u8907\u96dc\u6027\u589e\u52a0\uff0c\u56e0\u70ba\u9700\u8981\u9032\u884c\u591a\u8868\u806f\u63a5\u3002<\/p>\n<pre><code>SELECT a.*, b.*\nFROM table_a a\nJOIN table_b b ON a.id = b.a_id\nWHERE a.status = 'active';\n<\/code><\/pre>\n<h3 id=\"2-%e5%af%ab%e5%85%a5%e6%80%a7%e8%83%bd-NTszdNywUU\">2. 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\u6578\u64da\u5b8c\u6574\u6027<\/h3>\n<p>\u6578\u64da\u5eab\u6a21\u5f0f\u7684\u8b8a\u5316\u9084\u53ef\u80fd\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u7576\u6a21\u5f0f\u767c\u751f\u8b8a\u5316\u6642\uff0c\u5fc5\u9808\u78ba\u4fdd\u6240\u6709\u7684\u7d04\u675f\u689d\u4ef6\u548c\u95dc\u806f\u6027\u4ecd\u7136\u6709\u6548\u3002\u5426\u5247\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-NTszdNywUU\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u6a21\u5f0f\u8b8a\u66f4\u6642\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u6e2c\u8a66\u8b8a\u66f4\uff1a<\/strong>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u5be6\u65bd\u8b8a\u66f4\u4e4b\u524d\uff0c\u61c9\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u9032\u884c\u5145\u5206\u6e2c\u8a66\u3002<\/li>\n<li><strong>\u9010\u6b65\u5be6\u65bd\uff1a<\/strong>\u5982\u679c\u53ef\u80fd\uff0c\u61c9\u9010\u6b65\u5be6\u65bd\u8b8a\u66f4\uff0c\u4ee5\u4fbf\u80fd\u5920\u53ca\u6642\u767c\u73fe\u548c\u89e3\u6c7a\u554f\u984c\u3002<\/li>\n<li><strong>\u76e3\u63a7\u6027\u80fd\uff1a<\/strong>\u5728\u8b8a\u66f4\u5f8c\uff0c\u61c9\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u4ee5\u78ba\u4fdd\u6c92\u6709\u51fa\u73fe\u610f\u5916\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-NTszdNywUU\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u6a21\u5f0f\u7684\u8b8a\u5316\u78ba\u5be6\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u7121\u8ad6\u662f\u67e5\u8a62\u6027\u80fd\u9084\u662f\u5beb\u5165\u6027\u80fd\u3002\u5728\u9032\u884c\u6a21\u5f0f\u8b8a\u66f4\u6642\uff0c\u4f01\u696d\u61c9\u4ed4\u7d30\u8003\u616e\u5176\u5f71\u97ff\uff0c\u4e26\u9075\u5faa\u6700\u4f73\u5be6\u8e10\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u652f\u6301\u5176\u6578\u64da\u5eab\u904b\u884c\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0e\u6578\u64da\u5eab\u6a21\u5f0f\u8b8a\u5316\u5982\u4f55\u5f71\u97ff\u6578\u64da\u5eab\u6027\u80fd\uff0c\u5206\u6790\u6a21\u5f0f\u6539\u8b8a\u5c0d\u67e5\u8a62\u6548\u7387\u548c\u6578\u64da\u5b58\u53d6\u7684\u5f71\u97ff\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-186920","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186920","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=186920"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186920\/revisions"}],"predecessor-version":[{"id":186921,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186920\/revisions\/186921"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186920"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186920"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186920"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}