{"id":188216,"date":"2024-11-11T20:48:24","date_gmt":"2024-11-11T12:48:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188216\/"},"modified":"2024-11-11T20:48:25","modified_gmt":"2024-11-11T12:48:25","slug":"%e7%b4%a2%e5%bc%95%e5%89%b5%e5%bb%ba%e5%a4%b1%e6%95%97%ef%bc%8c%e5%8e%9f%e5%9b%a0%e7%ab%9f%e6%98%af%e7%bc%ba%e5%b0%91%e5%b7%a6%e6%8b%ac%e8%99%9f%ef%bc%9f%ef%bc%81-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188216\/","title":{"rendered":"\u7d22\u5f15\u5275\u5efa\u5931\u6557\uff0c\u539f\u56e0\u7adf\u662f\u7f3a\u5c11\u5de6\u62ec\u865f\uff1f\uff01 (\u6578\u64da\u5eab\u8868\u5275\u5efa\u7d22\u5f15\u6642\u7f3a\u5c11\u5de6\u62ec\u865f)"},"content":{"rendered":"<h1 id=\"%e7%b4%a2%e5%bc%95%e5%89%b5%e5%bb%ba%e5%a4%b1%e6%95%97%ef%bc%8c%e5%8e%9f%e5%9b%a0%e7%ab%9f%e6%98%af%e7%bc%ba%e5%b0%91%e5%b7%a6%e6%8b%ac%e8%99%9f%ef%bc%9f%ef%bc%81-kMGlxhrhSc\">\u7d22\u5f15\u5275\u5efa\u5931\u6557\uff0c\u539f\u56e0\u7adf\u662f\u7f3a\u5c11\u5de6\u62ec\u865f\uff1f\uff01<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d22\u5f15\u7684\u5275\u5efa\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u6b65\u9a5f\u3002\u7d22\u5f15\u4e0d\u50c5\u80fd\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u9084\u80fd\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u66f4\u5feb\u5730\u5b9a\u4f4d\u6578\u64da\u3002\u7136\u800c\uff0c\u5728\u5275\u5efa\u7d22\u5f15\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u7d93\u5e38\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\u5c31\u662f\u201c\u7d22\u5f15\u5275\u5efa\u5931\u6557\uff0c\u539f\u56e0\u7adf\u662f\u7f3a\u5c11\u5de6\u62ec\u865f\u201d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e00\u554f\u984c\u7684\u539f\u56e0\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-kMGlxhrhSc\">\u7d22\u5f15\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u65e8\u5728\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u901f\u5ea6\u3002\u5b83\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u80fd\u5920\u5e6b\u52a9\u6578\u64da\u5eab\u5feb\u901f\u627e\u5230\u6240\u9700\u7684\u6578\u64da\u3002\u7d22\u5f15\u53ef\u4ee5\u57fa\u65bc\u4e00\u500b\u6216\u591a\u500b\u5217\u5275\u5efa\uff0c\u4e26\u4e14\u53ef\u4ee5\u662f\u552f\u4e00\u7684\u6216\u975e\u552f\u4e00\u7684\u3002\u5275\u5efa\u7d22\u5f15\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE INDEX index_name ON table_name (column1, column2, ...);<\/code><\/pre>\n<h2 id=\"%e7%bc%ba%e5%b0%91%e5%b7%a6%e6%8b%ac%e8%99%9f%e7%9a%84%e5%8e%9f%e5%9b%a0-kMGlxhrhSc\">\u7f3a\u5c11\u5de6\u62ec\u865f\u7684\u539f\u56e0<\/h2>\n<p>\u7576\u958b\u767c\u8005\u5728\u5275\u5efa\u7d22\u5f15\u6642\uff0c\u82e5\u51fa\u73fe\u201c\u7f3a\u5c11\u5de6\u62ec\u865f\u201d\u7684\u932f\u8aa4\uff0c\u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u8a9e\u6cd5\u932f\u8aa4\uff1a<\/strong>\u5728SQL\u8a9e\u53e5\u4e2d\uff0c\u5de6\u62ec\u865f\u662f\u7528\u4f86\u6a19\u8b58\u7d22\u5f15\u4e2d\u6240\u5305\u542b\u7684\u5217\u3002\u5982\u679c\u5728\u5217\u540d\u4e4b\u524d\u6216\u4e4b\u5f8c\u7f3a\u5c11\u5de6\u62ec\u865f\uff0c\u6578\u64da\u5eab\u5c07\u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u8a9e\u53e5\u3002<\/li>\n<li><strong>\u591a\u5217\u7d22\u5f15\u7684\u932f\u8aa4\uff1a<\/strong>\u5728\u5275\u5efa\u591a\u5217\u7d22\u5f15\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u5fd8\u8a18\u5728\u5217\u540d\u7684\u958b\u982d\u6dfb\u52a0\u5de6\u62ec\u865f\uff0c\u9019\u6703\u5c0e\u81f4\u8a9e\u6cd5\u932f\u8aa4\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e0d\u7576\u7684\u95dc\u9375\u5b57\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684SQL\u95dc\u9375\u5b57\u6216\u8a9e\u6cd5\u7d50\u69cb\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e5%88%86%e6%9e%90-kMGlxhrhSc\">\u793a\u4f8b\u5206\u6790<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE INDEX my_index ON my_table column1, column2;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u958b\u767c\u8005\u5fd8\u8a18\u5728\u5217\u540d\u4e4b\u524d\u6dfb\u52a0\u5de6\u62ec\u865f\uff0c\u6b63\u78ba\u7684\u8a9e\u6cd5\u61c9\u8a72\u662f\uff1a<\/p>\n<pre><code>CREATE INDEX my_index ON my_table (column1, column2);<\/code><\/pre>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%ad%a4%e5%95%8f%e9%a1%8c-kMGlxhrhSc\">\u5982\u4f55\u89e3\u6c7a\u6b64\u554f\u984c<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u201c\u7f3a\u5c11\u5de6\u62ec\u865f\u201d\u7684\u932f\u8aa4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u4ed4\u7d30\u6aa2\u67e5\u8a9e\u6cd5\uff1a<\/strong>\u5728\u7de8\u5bebSQL\u8a9e\u53e5\u6642\uff0c\u52d9\u5fc5\u4ed4\u7d30\u6aa2\u67e5\u6bcf\u4e00\u500b\u7b26\u865f\uff0c\u78ba\u4fdd\u6240\u6709\u7684\u62ec\u865f\u90fd\u6b63\u78ba\u914d\u5c0d\u3002<\/li>\n<li><strong>\u4f7f\u7528SQL\u7de8\u8f2f\u5668\uff1a<\/strong>\u8a31\u591a\u73fe\u4ee3\u7684SQL\u7de8\u8f2f\u5668\u63d0\u4f9b\u8a9e\u6cd5\u9ad8\u4eae\u548c\u81ea\u52d5\u88dc\u5168\u529f\u80fd\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u53ca\u6642\u767c\u73fe\u8a9e\u6cd5\u932f\u8aa4\u3002<\/li>\n<li><strong>\u53c3\u8003\u5b98\u65b9\u6587\u6a94\uff1a<\/strong>\u5728\u5275\u5efa\u7d22\u5f15\u6642\uff0c\u53c3\u8003\u6578\u64da\u5eab\u7684\u5b98\u65b9\u6587\u6a94\uff0c\u78ba\u4fdd\u4f7f\u7528\u6b63\u78ba\u7684\u8a9e\u6cd5\u548c\u7d50\u69cb\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kMGlxhrhSc\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d22\u5f15\u7684\u5275\u5efa\u662f\u4e00\u500b\u91cd\u8981\u7684\u6b65\u9a5f\uff0c\u800c\u201c\u7d22\u5f15\u5275\u5efa\u5931\u6557\uff0c\u539f\u56e0\u7adf\u662f\u7f3a\u5c11\u5de6\u62ec\u865f\u201d\u9019\u4e00\u932f\u8aa4\u5e38\u5e38\u662f\u7531\u65bc\u8a9e\u6cd5\u4e0d\u7576\u9020\u6210\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u8a9e\u6cd5\u3001\u4f7f\u7528\u5408\u9069\u7684\u5de5\u5177\u4ee5\u53ca\u53c3\u8003\u5b98\u65b9\u6587\u6a94\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6b64\u985e\u554f\u984c\u7684\u767c\u751f\u3002\u82e5\u60a8\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5eab\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>\u4f86\u63d0\u5347\u60a8\u7684\u696d\u52d9\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7d22\u5f15\u5275\u5efa\u5931\u6557\u7684\u539f\u56e0\u53ef\u80fd\u662f\u7f3a\u5c11\u5de6\u62ec\u865f\uff0c\u9019\u5728\u6578\u64da\u5eab\u8868\u4e2d\u5e38\u898b\uff0c\u4e86\u89e3\u5982\u4f55\u907f\u514d\u6b64\u932f\u8aa4\u81f3\u95dc\u91cd\u8981\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-188216","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188216","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=188216"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188216\/revisions"}],"predecessor-version":[{"id":188217,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188216\/revisions\/188217"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}