{"id":150859,"date":"2024-11-01T16:49:01","date_gmt":"2024-11-01T08:49:01","guid":{"rendered":"https:\/\/server.hk\/cnblog\/150859\/"},"modified":"2024-11-01T16:49:02","modified_gmt":"2024-11-01T08:49:02","slug":"%e6%8c%89%e7%85%a7%e4%ba%8b%e5%8b%99%e9%a1%9e%e5%9e%8b%e5%88%86%e6%9e%90db2%e4%ba%8b%e7%89%a9%e7%9a%84%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/150859\/","title":{"rendered":"\u6309\u7167\u4e8b\u52d9\u985e\u578b\u5206\u6790DB2\u4e8b\u7269\u7684\u6027\u80fd"},"content":{"rendered":"<h1 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id=\"%e6%80%a7%e8%83%bd%e5%88%86%e6%9e%90-gKVwcQaYpG\">\u6027\u80fd\u5206\u6790<\/h2>\n<h3 id=\"%e8%ae%80%e5%8f%96%e4%ba%8b%e5%8b%99%e7%9a%84%e6%80%a7%e8%83%bd-gKVwcQaYpG\">\u8b80\u53d6\u4e8b\u52d9\u7684\u6027\u80fd<\/h3>\n<p>\u5728DB2\u4e2d\uff0c\u8b80\u53d6\u4e8b\u52d9\u7684\u6027\u80fd\u4e3b\u8981\u53d6\u6c7a\u65bc\u67e5\u8a62\u7684\u8907\u96dc\u6027\u548c\u6578\u64da\u7684\u7d50\u69cb\u3002\u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e00\u500b\u5927\u578b\u7684\u5ba2\u6236\u6578\u64da\u8868\uff0c\u5efa\u7acb\u57fa\u65bc\u5ba2\u6236ID\u7684\u7d22\u5f15\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\uff1a<\/p>\n<pre><code>CREATE INDEX idx_customer_id ON customers(customer_id);<\/code><\/pre>\n<p>\u6b64\u5916\uff0cDB2\u7684\u67e5\u8a62\u512a\u5316\u5668\u6703\u6839\u64da\u7d71\u8a08\u4fe1\u606f\u9078\u64c7\u6700\u4f73\u7684\u57f7\u884c\u8a08\u5283\uff0c\u56e0\u6b64\u5b9a\u671f\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u4e5f\u662f\u63d0\u9ad8\u8b80\u53d6\u6027\u80fd\u7684\u95dc\u9375\u3002<\/p>\n<h3 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id=\"%e7%b5%90%e8%ab%96-gKVwcQaYpG\">\u7d50\u8ad6<\/h2>\n<p>DB2\u4e8b\u7269\u7684\u6027\u80fd\u5206\u6790\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u901a\u904e\u4e86\u89e3\u4e0d\u540c\u4e8b\u52d9\u985e\u578b\u7684\u7279\u6027\u548c\u6027\u80fd\u5f71\u97ff\u56e0\u7d20\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u63a1\u53d6\u76f8\u61c9\u7684\u512a\u5316\u63aa\u65bd\uff0c\u4ee5\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002\u7121\u8ad6\u662f\u8b80\u53d6\u3001\u5beb\u5165\u9084\u662f\u6df7\u5408\u4e8b\u52d9\uff0c\u5408\u7406\u7684\u8a2d\u8a08\u548c\u914d\u7f6e\u90fd\u80fd\u986f\u8457\u63d0\u5347DB2\u7684\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u6790DB2\u4e8b\u7269\u6027\u80fd\uff0c\u6839\u64da\u4e8b\u52d9\u985e\u578b\u6df1\u5165\u63a2\u8a0e\u5176\u6548\u7387\u8207\u512a\u5316\u7b56\u7565\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u80fd\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-150859","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/150859","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=150859"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/150859\/revisions"}],"predecessor-version":[{"id":150860,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/150859\/revisions\/150860"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=150859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=150859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=150859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}