{"id":588,"date":"2024-12-08T21:03:16","date_gmt":"2024-12-08T13:03:16","guid":{"rendered":"http:\/\/www.cmd137blog.top\/?p=588"},"modified":"2025-01-03T14:46:24","modified_gmt":"2025-01-03T06:46:24","slug":"sql-%e7%b4%a2%e5%bc%95-index","status":"publish","type":"post","link":"http:\/\/www.cmd137blog.top\/?p=588","title":{"rendered":"SQL-\u7d22\u5f15 index"},"content":{"rendered":"\n<p>\u7d22\u5f15\u662f\u5e2e\u52a9\u6570\u636e\u5e93\u9ad8\u6548\u83b7\u53d6\u6570\u636e\u7684\u6570\u636e\u7ed3\u6784(\u9ed8\u8ba4B+\u6811)\u3002<\/p>\n\n\n\n<p>\u6ca1\u6709\u7d22\u5f15\u65f6 \u67e5\u627e\u4e3a\u987a\u5e8f\u8868\u904d\u5386\u3002<\/p>\n\n\n\n<p>\u4f18\u70b9\uff1a\u63d0\u9ad8\u6548\u7387\uff0c\u964d\u4f4e\u6570\u636e\u5e93IO\u5f00\u9500\u3002<\/p>\n\n\n\n<p>\u7f3a\u70b9\uff1a\u7d22\u5f15\u4f1a\u5360\u7528\u5b58\u50a8\u7a7a\u95f4\uff1b\u867d\u7136\u63d0\u5347\u4e86\u67e5\u627e\u6548\u7387\uff0c\u4f46\u662f\u964d\u4f4e\u4e86\u589e\u5220\u6539\u7684\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed3\u6784\uff1a<\/h3>\n\n\n\n<p>\u9ed8\u8ba4\u4e3aB+\u6811\uff0c\u4e5f\u6709Hash\u7d22\u5f15\u3001Full-Text\u7d22\u5f15\u7b49\u7b49\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u64cd\u4f5c\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u7d22\u5f15\uff1acreat [unique] index \u7d22\u5f15\u540d on \u8868\u540d\uff08\u5b57\u6bb5\u540d\uff0c&#8230;\uff09 \uff1b<\/li>\n\n\n\n<li>\u67e5\u8be2\u7d22\u5f15\uff1a show index from \u8868\u540d;<\/li>\n\n\n\n<li>\u5220\u9664\u7d22\u5f15\uff1adrop index \u7d22\u5f15\u540d on \u8868\u540d\uff1b<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>\u6ce8\u610f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u952e\u5b57\u6bb5\uff0c\u518d\u5efa\u8868\u65f6\u4f1a\u81ea\u52a8\u521b\u5efa\u4e3b\u952e\u7d22\u5f15\u3002<\/li>\n\n\n\n<li>\u6dfb\u52a0\u552f\u4e00\u7ea6\u675f\u65f6\uff0c\u6570\u636e\u5e93\u4f1a\u6dfb\u52a0\u552f\u4e00\u7d22\u5f15\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7d22\u5f15\u662f\u5e2e\u52a9\u6570\u636e\u5e93\u9ad8\u6548\u83b7\u53d6\u6570\u636e\u7684\u6570\u636e\u7ed3\u6784(\u9ed8\u8ba4B+\u6811)\u3002 \u6ca1\u6709\u7d22\u5f15\u65f6 \u67e5\u627e\u4e3a\u987a\u5e8f\u8868\u904d\u5386\u3002 \u4f18\u70b9\uff1a\u63d0\u9ad8\u6548\u7387\uff0c\u964d\u4f4e\u6570 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[14],"class_list":["post-588","post","type-post","status-publish","format-standard","hentry","category-sql","tag-sql"],"_links":{"self":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=588"}],"version-history":[{"count":1,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/588\/revisions"}],"predecessor-version":[{"id":589,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/588\/revisions\/589"}],"wp:attachment":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=588"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}