{"id":173217,"date":"2024-11-07T16:10:00","date_gmt":"2024-11-07T08:10:00","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173217\/"},"modified":"2024-11-07T16:10:01","modified_gmt":"2024-11-07T08:10:01","slug":"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e9%ab%98%e6%95%88%e7%9a%84%e7%b4%a2%e5%bc%95%ef%bc%8c%e4%bd%a0%e7%9f%a5%e9%81%93%e5%97%8e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173217\/","title":{"rendered":"\u5982\u4f55\u5275\u5efa\u9ad8\u6548\u7684\u7d22\u5f15\uff0c\u4f60\u77e5\u9053\u55ce\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e9%ab%98%e6%95%88%e7%9a%84%e7%b4%a2%e5%bc%95%ef%bc%8c%e4%bd%a0%e7%9f%a5%e9%81%93%e5%97%8e%ef%bc%9f-rVqMaIeoQn\">\u5982\u4f55\u5275\u5efa\u9ad8\u6548\u7684\u7d22\u5f15\uff0c\u4f60\u77e5\u9053\u55ce\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u7121\u8ad6\u662f\u95dc\u806f\u578b\u6578\u64da\u5eab\u9084\u662f\u975e\u95dc\u806f\u578b\u6578\u64da\u5eab\uff0c\u5408\u7406\u7684\u7d22\u5f15\u8a2d\u8a08\u90fd\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u6aa2\u7d22\u6240\u9700\u7684\u4fe1\u606f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5275\u5efa\u9ad8\u6548\u7684\u7d22\u5f15\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u5efa\u8b70\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b4%a2%e5%bc%95%ef%bc%9f-rVqMaIeoQn\">\u4ec0\u9ebc\u662f\u7d22\u5f15\uff1f<\/h2>\n<p>\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u65e8\u5728\u52a0\u901f\u6578\u64da\u6aa2\u7d22\u7684\u901f\u5ea6\u3002\u5b83\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u627e\u5230\u6240\u9700\u7684\u5167\u5bb9\u3002\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u7d22\u5f15\u901a\u5e38\u662f\u57fa\u65bc\u4e00\u500b\u6216\u591a\u500b\u5217\u7684\u503c\u4f86\u7d44\u7e54\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u67e5\u8a62\u6642\u9700\u8981\u6383\u63cf\u7684\u6578\u64da\u91cf\u3002<\/p>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%9a%84%e9%a1%9e%e5%9e%8b-rVqMaIeoQn\">\u7d22\u5f15\u7684\u985e\u578b<\/h2>\n<ul>\n<li><strong>\u55ae\u5217\u7d22\u5f15\uff1a<\/strong>\u91dd\u5c0d\u55ae\u4e00\u5217\u5275\u5efa\u7684\u7d22\u5f15\uff0c\u9069\u5408\u65bc\u67e5\u8a62\u4e2d\u7d93\u5e38\u4f7f\u7528\u7684\u5217\u3002<\/li>\n<li><strong>\u8907\u5408\u7d22\u5f15\uff1a<\/strong>\u91dd\u5c0d\u591a\u500b\u5217\u5275\u5efa\u7684\u7d22\u5f15\uff0c\u80fd\u5920\u63d0\u9ad8\u591a\u689d\u4ef6\u67e5\u8a62\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u552f\u4e00\u7d22\u5f15\uff1a<\/strong>\u78ba\u4fdd\u7d22\u5f15\u5217\u4e2d\u7684\u6bcf\u500b\u503c\u90fd\u662f\u552f\u4e00\u7684\uff0c\u901a\u5e38\u7528\u65bc\u4e3b\u9375\u3002<\/li>\n<li><strong>\u5168\u6587\u7d22\u5f15\uff1a<\/strong>\u5c08\u9580\u7528\u65bc\u6587\u672c\u641c\u7d22\uff0c\u80fd\u5920\u63d0\u9ad8\u5c0d\u5927\u6587\u672c\u5b57\u6bb5\u7684\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e9%ab%98%e6%95%88%e7%b4%a2%e5%bc%95%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-rVqMaIeoQn\">\u5275\u5efa\u9ad8\u6548\u7d22\u5f15\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e6%9f%a5%e8%a9%a2%e6%a8%a1%e5%bc%8f-rVqMaIeoQn\">1. \u78ba\u5b9a\u67e5\u8a62\u6a21\u5f0f<\/h3>\n<p>\u5728\u5275\u5efa\u7d22\u5f15\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5206\u6790\u61c9\u7528\u7a0b\u5e8f\u7684\u67e5\u8a62\u6a21\u5f0f\u3002\u4e86\u89e3\u54ea\u4e9b\u67e5\u8a62\u6700\u5e38\u57f7\u884c\uff0c\u4e26\u78ba\u5b9a\u9019\u4e9b\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5217\u3002\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u4f60\u9078\u64c7\u6700\u5408\u9069\u7684\u5217\u4f86\u5275\u5efa\u7d22\u5f15\u3002<\/p>\n<h3 id=\"2-%e9%81%a9%e7%95%b6%e9%81%b8%e6%93%87%e7%b4%a2%e5%bc%95%e5%88%97-rVqMaIeoQn\">2. \u9069\u7576\u9078\u64c7\u7d22\u5f15\u5217<\/h3>\n<p>\u9078\u64c7\u7d22\u5f15\u5217\u6642\uff0c\u61c9\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u9078\u64c7\u9ad8\u9078\u64c7\u6027\u7684\u5217\uff1a\u9ad8\u9078\u64c7\u6027\u610f\u5473\u8457\u5217\u4e2d\u7684\u4e0d\u540c\u503c\u8d8a\u591a\uff0c\u9019\u6a23\u7684\u7d22\u5f15\u80fd\u5920\u66f4\u6709\u6548\u5730\u7e2e\u5c0f\u67e5\u8a62\u7bc4\u570d\u3002<\/li>\n<li>\u907f\u514d\u5c0d\u4f4e\u9078\u64c7\u6027\u5217\u5275\u5efa\u7d22\u5f15\uff1a\u4f8b\u5982\uff0c\u6027\u5225\u9019\u6a23\u7684\u5217\u53ea\u6709\u5169\u500b\u503c\uff0c\u5275\u5efa\u7d22\u5f15\u7684\u6548\u679c\u4e0d\u4f73\u3002<\/li>\n<li>\u8003\u616e\u67e5\u8a62\u7684\u7bc4\u570d\uff1a\u5982\u679c\u67e5\u8a62\u7d93\u5e38\u4f7f\u7528\u7bc4\u570d\u689d\u4ef6\uff0c\u5247\u61c9\u8003\u616e\u5728\u76f8\u95dc\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e8%a4%87%e5%90%88%e7%b4%a2%e5%bc%95-rVqMaIeoQn\">3. \u4f7f\u7528\u8907\u5408\u7d22\u5f15<\/h3>\n<p>\u5c0d\u65bc\u591a\u689d\u4ef6\u67e5\u8a62\uff0c\u8907\u5408\u7d22\u5f15\u901a\u5e38\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u5275\u5efa\u8907\u5408\u7d22\u5f15\u6642\uff0c\u61c9\u6839\u64da\u67e5\u8a62\u4e2d\u689d\u4ef6\u7684\u4f7f\u7528\u983b\u7387\u4f86\u78ba\u5b9a\u5217\u7684\u9806\u5e8f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u67e5\u8a62\u7d93\u5e38\u4f7f\u7528\u201cWHERE a = ? AND b = ?\u201d\u7684\u5f62\u5f0f\uff0c\u5247\u61c9\u5c07\u5217a\u653e\u5728\u7d22\u5f15\u7684\u524d\u9762\u3002<\/p>\n<pre><code>CREATE INDEX idx_example ON table_name (column_a, column_b);\n<\/code><\/pre>\n<h3 id=\"4-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e7%b4%a2%e5%bc%95-rVqMaIeoQn\">4. \u5b9a\u671f\u7dad\u8b77\u7d22\u5f15<\/h3>\n<p>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\u548c\u8b8a\u5316\uff0c\u7d22\u5f15\u7684\u6027\u80fd\u53ef\u80fd\u6703\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6aa2\u67e5\u548c\u91cd\u5efa\u7d22\u5f15\u662f\u5fc5\u8981\u7684\u3002\u5927\u591a\u6578\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u90fd\u63d0\u4f9b\u4e86\u5de5\u5177\u4f86\u5e6b\u52a9\u7528\u6236\u9032\u884c\u7d22\u5f15\u7684\u7dad\u8b77\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-rVqMaIeoQn\">\u7d50\u8ad6<\/h2>\n<p>\u5275\u5efa\u9ad8\u6548\u7684\u7d22\u5f15\u662f\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u4e86\u89e3\u67e5\u8a62\u6a21\u5f0f\u3001\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u5217\u3001\u4f7f\u7528\u8907\u5408\u7d22\u5f15\u4ee5\u53ca\u5b9a\u671f\u7dad\u8b77\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u901f\u5ea6\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u5408\u7406\u7684\u7d22\u5f15\u8a2d\u8a08\u5c07\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\uff0c\u6eff\u8db3\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5275\u5efa\u9ad8\u6548\u7684\u7d22\u5f15\uff0c\u63d0\u5347\u8cc7\u6599\u6aa2\u7d22\u901f\u5ea6\u8207\u6e96\u78ba\u6027\uff0c\u512a\u5316\u8cc7\u6599\u5eab\u6027\u80fd\uff0c\u8b93\u4f60\u7684\u5de5\u4f5c\u66f4\u9ad8\u6548\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-173217","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173217","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=173217"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173217\/revisions"}],"predecessor-version":[{"id":173218,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173217\/revisions\/173218"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}