{"id":140216,"date":"2024-10-31T20:23:55","date_gmt":"2024-10-31T12:23:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/140216\/"},"modified":"2024-10-31T20:23:55","modified_gmt":"2024-10-31T12:23:55","slug":"sql-server%e7%b4%a2%e5%bc%95%e5%af%86%e5%ba%a6%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/140216\/","title":{"rendered":"SQL Server\u7d22\u5f15\u5bc6\u5ea6\u7684\u5be6\u969b\u64cd\u4f5c"},"content":{"rendered":"<h1 id=\"sql-server%e7%b4%a2%e5%bc%95%e5%af%86%e5%ba%a6%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c-bgEoKIfwqN\">SQL Server\u7d22\u5f15\u5bc6\u5ea6\u7684\u5be6\u969b\u64cd\u4f5c<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002SQL Server\u4e2d\u7684\u7d22\u5f15\u5bc6\u5ea6\u662f\u6307\u7d22\u5f15\u4e2d\u552f\u4e00\u503c\u7684\u6578\u91cf\u8207\u7e3d\u884c\u6578\u7684\u6bd4\u7387\u3002\u7406\u89e3\u548c\u7ba1\u7406\u7d22\u5f15\u5bc6\u5ea6\u5c0d\u65bc\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0eSQL Server\u7d22\u5f15\u5bc6\u5ea6\u7684\u6982\u5ff5\u3001\u5f71\u97ff\u56e0\u7d20\u53ca\u5176\u5be6\u969b\u64cd\u4f5c\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b4%a2%e5%bc%95%e5%af%86%e5%ba%a6%ef%bc%9f-bgEoKIfwqN\">\u4ec0\u9ebc\u662f\u7d22\u5f15\u5bc6\u5ea6\uff1f<\/h2>\n<p>\u7d22\u5f15\u5bc6\u5ea6\u662f\u7528\u4f86\u8861\u91cf\u7d22\u5f15\u7684\u6709\u6548\u6027\u7684\u4e00\u500b\u6307\u6a19\u3002\u5b83\u7684\u8a08\u7b97\u516c\u5f0f\u70ba\uff1a<\/p>\n<pre><code>\u7d22\u5f15\u5bc6\u5ea6 = \u552f\u4e00\u503c\u6578\u91cf \/ \u7e3d\u884c\u6578<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u500b\u7d22\u5f15\u67091000\u884c\u6578\u64da\uff0c\u5176\u4e2d\u6709200\u500b\u552f\u4e00\u503c\uff0c\u90a3\u9ebc\u8a72\u7d22\u5f15\u7684\u5bc6\u5ea6\u70ba0.2\u3002\u9019\u610f\u5473\u8457\u6bcf\u500b\u552f\u4e00\u503c\u5e73\u5747\u5c0d\u61c95\u884c\u6578\u64da\u3002\u7d22\u5f15\u5bc6\u5ea6\u8d8a\u4f4e\uff0c\u8868\u793a\u8a72\u7d22\u5f15\u7684\u9078\u64c7\u6027\u8d8a\u9ad8\uff0c\u67e5\u8a62\u6027\u80fd\u901a\u5e38\u6703\u66f4\u597d\u3002<\/p>\n<h2 id=\"%e7%b4%a2%e5%bc%95%e5%af%86%e5%ba%a6%e7%9a%84%e5%bd%b1%e9%9f%bf%e5%9b%a0%e7%b4%a0-bgEoKIfwqN\">\u7d22\u5f15\u5bc6\u5ea6\u7684\u5f71\u97ff\u56e0\u7d20<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u5206\u4f48\uff1a<\/strong>\u6578\u64da\u7684\u5206\u4f48\u60c5\u6cc1\u6703\u76f4\u63a5\u5f71\u97ff\u7d22\u5f15\u7684\u5bc6\u5ea6\u3002\u5982\u679c\u67d0\u4e9b\u503c\u51fa\u73fe\u7684\u983b\u7387\u975e\u5e38\u9ad8\uff0c\u5247\u6703\u5c0e\u81f4\u7d22\u5f15\u5bc6\u5ea6\u964d\u4f4e\u3002<\/li>\n<li><strong>\u6578\u64da\u66f4\u65b0\uff1a<\/strong>\u983b\u7e41\u7684\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u6703\u5f71\u97ff\u7d22\u5f15\u7684\u7d50\u69cb\uff0c\u5f9e\u800c\u6539\u8b8a\u7d22\u5f15\u7684\u5bc6\u5ea6\u3002<\/li>\n<li><strong>\u7d22\u5f15\u985e\u578b\uff1a<\/strong>\u4e0d\u540c\u985e\u578b\u7684\u7d22\u5f15\uff08\u5982\u805a\u96c6\u7d22\u5f15\u548c\u975e\u805a\u96c6\u7d22\u5f15\uff09\u5c0d\u5bc6\u5ea6\u7684\u5f71\u97ff\u4e5f\u6709\u6240\u4e0d\u540c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e7%b4%a2%e5%bc%95%e5%af%86%e5%ba%a6-bgEoKIfwqN\">\u5982\u4f55\u6aa2\u67e5\u7d22\u5f15\u5bc6\u5ea6<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u7d22\u5f15\u7684\u5bc6\u5ea6\uff1a<\/p>\n<pre><code>SELECT \n    OBJECT_NAME(i.object_id) AS TableName,\n    i.name AS IndexName,\n    dm.avg_fragmentation_in_percent,\n    dm.page_count,\n    dm.row_count,\n    (dm.row_count \/ NULLIF(dm.page_count, 0)) AS Density\nFROM \n    sys.indexes AS i\nJOIN \n    sys.dm_db_index_physical_stats(DB_ID(), NULL, NULL, NULL, NULL) AS dm\nON \n    i.object_id = dm.object_id AND i.index_id = dm.index_id\nWHERE \n    i.type &gt; 0;<\/code><\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u5c07\u8fd4\u56de\u6bcf\u500b\u7d22\u5f15\u7684\u540d\u7a31\u3001\u884c\u6578\u3001\u9801\u6578\u4ee5\u53ca\u8a08\u7b97\u51fa\u7684\u5bc6\u5ea6\u3002\u901a\u904e\u9019\u4e9b\u6578\u64da\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u8a55\u4f30\u7d22\u5f15\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96%e7%b4%a2%e5%bc%95%e5%af%86%e5%ba%a6-bgEoKIfwqN\">\u5982\u4f55\u512a\u5316\u7d22\u5f15\u5bc6\u5ea6<\/h2>\n<p>\u512a\u5316\u7d22\u5f15\u5bc6\u5ea6\u7684\u4e3b\u8981\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u91cd\u5efa\u7d22\u5f15\uff1a<\/strong>\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u53ef\u4ee5\u6e1b\u5c11\u788e\u7247\uff0c\u5f9e\u800c\u63d0\u9ad8\u7d22\u5f15\u7684\u5bc6\u5ea6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u5efa\u7d22\u5f15\uff1a<\/li>\n<pre><code>ALTER INDEX ALL ON TableName REBUILD;<\/code><\/pre>\n<li><strong>\u91cd\u65b0\u7d44\u7e54\u7d22\u5f15\uff1a<\/strong>\u5982\u679c\u7d22\u5f15\u7684\u788e\u7247\u7387\u8f03\u4f4e\uff0c\u53ef\u4ee5\u9078\u64c7\u91cd\u65b0\u7d44\u7e54\u7d22\u5f15\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u7684\u5f71\u97ff\u3002<\/li>\n<pre><code>ALTER INDEX ALL ON TableName REORGANIZE;<\/code><\/pre>\n<li><strong>\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u4e0d\u518d\u4f7f\u7528\u7684\u7d22\u5f15\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-bgEoKIfwqN\">\u7d50\u8ad6<\/h2>\n<p>\u7d22\u5f15\u5bc6\u5ea6\u662f\u5f71\u97ffSQL Server\u6027\u80fd\u7684\u91cd\u8981\u56e0\u7d20\u4e4b\u4e00\u3002\u901a\u904e\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u7d22\u5f15\u5bc6\u5ea6\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u7cfb\u7d71\u6548\u7387\u3002\u4e86\u89e3\u7d22\u5f15\u5bc6\u5ea6\u7684\u6982\u5ff5\u53ca\u5176\u5f71\u97ff\u56e0\u7d20\uff0c\u4e26\u63a1\u53d6\u76f8\u61c9\u7684\u64cd\u4f5c\u63aa\u65bd\uff0c\u5c07\u6709\u52a9\u65bc\u7dad\u8b77\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u9999\u6e2f\u7684\u74b0\u5883\u4e2d\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u63d0\u5347\u696d\u52d9\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server\u7d22\u5f15\u5bc6\u5ea6\u7684\u5be6\u969b\u64cd\u4f5c\uff0c\u4e86\u89e3\u5982\u4f55\u512a\u5316\u67e5\u8a62\u6027\u80fd\u548c\u6578\u64da\u5b58\u5132\u6548\u7387\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-140216","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140216","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=140216"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140216\/revisions"}],"predecessor-version":[{"id":140217,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140216\/revisions\/140217"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=140216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=140216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=140216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}