{"id":190382,"date":"2024-11-12T12:07:19","date_gmt":"2024-11-12T04:07:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190382\/"},"modified":"2024-11-12T12:07:20","modified_gmt":"2024-11-12T04:07:20","slug":"%e7%b6%ad%e8%ad%b7sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e7%9a%84%e7%b4%a2%e5%bc%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190382\/","title":{"rendered":"\u7dad\u8b77SQL Server\u6578\u64da\u5eab\u8868\u4e2d\u7684\u7d22\u5f15"},"content":{"rendered":"<h1 id=\"%e7%b6%ad%e8%ad%b7sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e7%9a%84%e7%b4%a2%e5%bc%95-XaVTeIEnQt\">\u7dad\u8b77SQL Server\u6578\u64da\u5eab\u8868\u4e2d\u7684\u7d22\u5f15<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5b83\u5011\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u5c0d\u65bc\u4f7f\u7528SQL Server\u7684\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u4f86\u8aaa\uff0c\u7dad\u8b77\u7d22\u5f15\u7684\u6709\u6548\u6027\u548c\u6548\u7387\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u7dad\u8b77SQL Server\u6578\u64da\u5eab\u8868\u4e2d\u7684\u7d22\u5f15\uff0c\u5305\u62ec\u7d22\u5f15\u7684\u985e\u578b\u3001\u7dad\u8b77\u7b56\u7565\u4ee5\u53ca\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e7%9a%84%e9%a1%9e%e5%9e%8b-XaVTeIEnQt\">\u7d22\u5f15\u7684\u985e\u578b<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u4e3b\u8981\u6709\u5169\u7a2e\u7d22\u5f15\u985e\u578b\uff1a\u805a\u96c6\u7d22\u5f15\u548c\u975e\u805a\u96c6\u7d22\u5f15\u3002<\/p>\n<ul>\n<li><strong>\u805a\u96c6\u7d22\u5f15<\/strong>\uff1a\u805a\u96c6\u7d22\u5f15\u6c7a\u5b9a\u4e86\u6578\u64da\u5728\u78c1\u789f\u4e0a\u7684\u7269\u7406\u5b58\u5132\u9806\u5e8f\u3002\u6bcf\u500b\u8868\u53ea\u80fd\u6709\u4e00\u500b\u805a\u96c6\u7d22\u5f15\uff0c\u901a\u5e38\u7528\u65bc\u4e3b\u9375\u3002\u7576\u67e5\u8a62\u6d89\u53ca\u7bc4\u570d\u67e5\u8a62\u6642\uff0c\u805a\u96c6\u7d22\u5f15\u7684\u6027\u80fd\u512a\u52e2\u5c24\u70ba\u660e\u986f\u3002<\/li>\n<li><strong>\u975e\u805a\u96c6\u7d22\u5f15<\/strong>\uff1a\u975e\u805a\u96c6\u7d22\u5f15\u5247\u662f\u5c07\u7d22\u5f15\u7d50\u69cb\u8207\u6578\u64da\u5206\u958b\u5b58\u5132\u3002\u9019\u610f\u5473\u8457\u4e00\u500b\u8868\u53ef\u4ee5\u6709\u591a\u500b\u975e\u805a\u96c6\u7d22\u5f15\uff0c\u9069\u5408\u7528\u65bc\u52a0\u901f\u67e5\u8a62\u7684\u7279\u5b9a\u5217\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b6%ad%e8%ad%b7%e7%b4%a2%e5%bc%95%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-XaVTeIEnQt\">\u7dad\u8b77\u7d22\u5f15\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\u548c\u8b8a\u5316\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u518d\u9ad8\u6548\u3002\u9019\u4e3b\u8981\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u788e\u7247\u5316<\/strong>\uff1a\u96a8\u8457\u6578\u64da\u7684\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\uff0c\u7d22\u5f15\u9801\u9762\u53ef\u80fd\u6703\u8b8a\u5f97\u788e\u7247\u5316\uff0c\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u7d71\u8a08\u4fe1\u606f\u904e\u6642<\/strong>\uff1aSQL Server\u4f7f\u7528\u7d71\u8a08\u4fe1\u606f\u4f86\u512a\u5316\u67e5\u8a62\u8a08\u5283\u3002\u5982\u679c\u9019\u4e9b\u7d71\u8a08\u4fe1\u606f\u904e\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0d\u4f73\u7684\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b6%ad%e8%ad%b7%e7%b4%a2%e5%bc%95%e7%9a%84%e7%ad%96%e7%95%a5-XaVTeIEnQt\">\u7dad\u8b77\u7d22\u5f15\u7684\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u4fdd\u6301\u7d22\u5f15\u7684\u6709\u6548\u6027\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7dad\u8b77\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e5%ae%9a%e6%9c%9f%e9%87%8d%e5%bb%ba%e5%92%8c%e9%87%8d%e7%b5%84%e7%b4%a2%e5%bc%95-XaVTeIEnQt\">1. \u5b9a\u671f\u91cd\u5efa\u548c\u91cd\u7d44\u7d22\u5f15<\/h3>\n<p>\u91cd\u5efa\u7d22\u5f15\u6703\u5b8c\u5168\u91cd\u65b0\u5275\u5efa\u7d22\u5f15\uff0c\u6d88\u9664\u788e\u7247\u5316\uff0c\u800c\u91cd\u7d44\u7d22\u5f15\u5247\u662f\u91cd\u65b0\u6392\u5217\u7d22\u5f15\u9801\u9762\u3002\u4e00\u822c\u4f86\u8aaa\uff0c\u7576\u7d22\u5f15\u7684\u788e\u7247\u5316\u7a0b\u5ea6\u8d85\u904e30%\u6642\uff0c\u61c9\u8003\u616e\u91cd\u5efa\u7d22\u5f15\uff1b\u7576\u788e\u7247\u5316\u7a0b\u5ea6\u572810%\u523030%\u4e4b\u9593\u6642\uff0c\u53ef\u4ee5\u9078\u64c7\u91cd\u7d44\u7d22\u5f15\u3002<\/p>\n<pre><code>-- \u91cd\u5efa\u7d22\u5f15\u7684\u7bc4\u4f8b\nALTER INDEX ALL ON YourTableName REBUILD;\n\n-- \u91cd\u7d44\u7d22\u5f15\u7684\u7bc4\u4f8b\nALTER INDEX ALL ON YourTableName REORGANIZE;<\/code><\/pre>\n<h3 id=\"2-%e6%9b%b4%e6%96%b0%e7%b5%b1%e8%a8%88%e4%bf%a1%e6%81%af-XaVTeIEnQt\">2. \u66f4\u65b0\u7d71\u8a08\u4fe1\u606f<\/h3>\n<p>\u5b9a\u671f\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u53ef\u4ee5\u5e6b\u52a9SQL Server\u751f\u6210\u66f4\u512a\u5316\u7684\u67e5\u8a62\u8a08\u5283\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\uff1a<\/p>\n<pre><code>-- \u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u7684\u7bc4\u4f8b\nUPDATE STATISTICS YourTableName;<\/code><\/pre>\n<h3 id=\"3-%e7%9b%a3%e6%8e%a7%e7%b4%a2%e5%bc%95%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-XaVTeIEnQt\">3. \u76e3\u63a7\u7d22\u5f15\u4f7f\u7528\u60c5\u6cc1<\/h3>\n<p>\u4f7f\u7528SQL Server\u7684\u52d5\u614b\u7ba1\u7406\u8996\u5716\uff08DMVs\uff09\u4f86\u76e3\u63a7\u7d22\u5f15\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u9019\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u4e0d\u518d\u4f7f\u7528\u7684\u7d22\u5f15\uff0c\u5f9e\u800c\u9032\u884c\u522a\u9664\u4ee5\u7bc0\u7701\u8cc7\u6e90\u3002<\/p>\n<pre><code>-- \u67e5\u8a62\u7d22\u5f15\u4f7f\u7528\u60c5\u6cc1\u7684\u7bc4\u4f8b\nSELECT \n    OBJECT_NAME(i.object_id) AS TableName,\n    i.name AS IndexName,\n    i.type_desc AS IndexType,\n    s.user_seeks,\n    s.user_scans,\n    s.user_lookups,\n    s.user_updates\nFROM \n    sys.indexes AS i\nJOIN \n    sys.dm_db_index_usage_stats AS s \nON \n    i.object_id = s.object_id AND i.index_id = s.index_id\nWHERE \n    OBJECTPROPERTY(i.object_id, 'IsUserTable') = 1;<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-XaVTeIEnQt\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u7dad\u8b77SQL Server\u7d22\u5f15\u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u9ad8\u6027\u80fd\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u9032\u884c\u7d22\u5f15\u7dad\u8b77\uff0c\u6839\u64da\u6578\u64da\u8b8a\u5316\u7684\u983b\u7387\u8abf\u6574\u7dad\u8b77\u8a08\u5283\u3002<\/li>\n<li>\u907f\u514d\u5728\u9ad8\u5cf0\u6642\u6bb5\u9032\u884c\u91cd\u5efa\u6216\u91cd\u7d44\u7d22\u5f15\uff0c\u4ee5\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u586b\u5145\u56e0\u5b50\u4f86\u63a7\u5236\u7d22\u5f15\u9801\u9762\u7684\u586b\u5145\u7a0b\u5ea6\uff0c\u4ee5\u6e1b\u5c11\u788e\u7247\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XaVTeIEnQt\">\u7e3d\u7d50<\/h2>\n<p>\u7dad\u8b77SQL Server\u6578\u64da\u5eab\u8868\u4e2d\u7684\u7d22\u5f15\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u6027\u80fd\u7684\u95dc\u9375\u6b65\u9a5f\u3002\u901a\u904e\u5b9a\u671f\u91cd\u5efa\u548c\u91cd\u7d44\u7d22\u5f15\u3001\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u4ee5\u53ca\u76e3\u63a7\u7d22\u5f15\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u5982\u4f55\u7dad\u8b77\u7d22\u5f15\u5c07\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7dad\u8b77SQL Server\u6578\u64da\u5eab\u8868\u4e2d\u7684\u7d22\u5f15\uff0c\u78ba\u4fdd\u6578\u64da\u67e5\u8a62\u6548\u7387\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u6e1b\u5c11\u788e\u7247\uff0c\u512a\u5316\u6578\u64da\u5eab\u7ba1\u7406\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-190382","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190382","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=190382"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190382\/revisions"}],"predecessor-version":[{"id":190383,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190382\/revisions\/190383"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}