{"id":196293,"date":"2024-11-13T22:03:18","date_gmt":"2024-11-13T14:03:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196293\/"},"modified":"2024-11-13T22:03:19","modified_gmt":"2024-11-13T14:03:19","slug":"%e6%95%b4%e7%90%86%e7%b4%a2%e5%bc%95%e7%a2%8e%e7%89%87%ef%bc%8c%e6%8f%90%e5%8d%87sql-server%e9%80%9f%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196293\/","title":{"rendered":"\u6574\u7406\u7d22\u5f15\u788e\u7247\uff0c\u63d0\u5347SQL Server\u901f\u5ea6"},"content":{"rendered":"<h1 id=\"%e6%95%b4%e7%90%86%e7%b4%a2%e5%bc%95%e7%a2%8e%e7%89%87%ef%bc%8c%e6%8f%90%e5%8d%87sql-server%e9%80%9f%e5%ba%a6-SiBMbOFxga\">\u6574\u7406\u7d22\u5f15\u788e\u7247\uff0c\u63d0\u5347SQL Server\u901f\u5ea6<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cSQL Server\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u7684\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u6703\u5c0e\u81f4\u7d22\u5f15\u788e\u7247\u7684\u7522\u751f\uff0c\u9019\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6574\u7406\u7d22\u5f15\u788e\u7247\uff0c\u4ee5\u63d0\u5347SQL Server\u7684\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%b4%a2%e5%bc%95%e7%a2%8e%e7%89%87%ef%bc%9f-SiBMbOFxga\">\u4ec0\u9ebc\u662f\u7d22\u5f15\u788e\u7247\uff1f<\/h2>\n<p>\u7d22\u5f15\u788e\u7247\u662f\u6307\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u7d22\u5f15\u9801\u9762\u56e0\u70ba\u6578\u64da\u7684\u8b8a\u66f4\u800c\u8b8a\u5f97\u4e0d\u9023\u7e8c\u7684\u73fe\u8c61\u3002\u7576\u6578\u64da\u88ab\u63d2\u5165\u6216\u522a\u9664\u6642\uff0c\u7d22\u5f15\u9801\u9762\u53ef\u80fd\u6703\u51fa\u73fe\u7a7a\u9699\uff0c\u5c0e\u81f4\u67e5\u8a62\u6642\u9700\u8981\u66f4\u591a\u7684I\/O\u64cd\u4f5c\u4f86\u8b80\u53d6\u6578\u64da\uff0c\u5f9e\u800c\u5f71\u97ff\u6027\u80fd\u3002\u7d22\u5f15\u788e\u7247\u4e3b\u8981\u5206\u70ba\u5169\u7a2e\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u908f\u8f2f\u788e\u7247\uff1a<\/strong>\u7576\u7d22\u5f15\u9801\u9762\u4e4b\u9593\u7684\u908f\u8f2f\u9806\u5e8f\u4e0d\u518d\u9023\u7e8c\u6642\uff0c\u6703\u5c0e\u81f4\u908f\u8f2f\u788e\u7247\u3002<\/li>\n<li><strong>\u7269\u7406\u788e\u7247\uff1a<\/strong>\u7576\u7d22\u5f15\u9801\u9762\u5728\u78c1\u789f\u4e0a\u7684\u7269\u7406\u5b58\u5132\u4e0d\u518d\u9023\u7e8c\u6642\uff0c\u6703\u5c0e\u81f4\u7269\u7406\u788e\u7247\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%e7%a2%8e%e7%89%87-SiBMbOFxga\">\u5982\u4f55\u6aa2\u67e5\u7d22\u5f15\u788e\u7247<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u7d22\u5f15\u7684\u788e\u7247\u7a0b\u5ea6\uff1a<\/p>\n<pre><code>SELECT \n    DB_NAME(database_id) AS DatabaseName,\n    OBJECT_NAME(object_id) AS TableName,\n    name AS IndexName,\n    index_id,\n    avg_fragmentation_in_percent\nFROM \n    sys.dm_db_index_physical_stats(DB_ID(), NULL, NULL, NULL, NULL)\nWHERE \n    avg_fragmentation_in_percent &gt; 10;<\/code><\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u788e\u7247\u7a0b\u5ea6\u8d85\u904e10%\u7684\u7d22\u5f15\u3002\u6839\u64da\u788e\u7247\u7684\u7a0b\u5ea6\uff0c\u53ef\u4ee5\u6c7a\u5b9a\u662f\u5426\u9700\u8981\u9032\u884c\u6574\u7406\u3002<\/p>\n<h2 id=\"%e6%95%b4%e7%90%86%e7%b4%a2%e5%bc%95%e7%9a%84%e6%96%b9%e6%b3%95-SiBMbOFxga\">\u6574\u7406\u7d22\u5f15\u7684\u65b9\u6cd5<\/h2>\n<p>SQL Server\u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u65b9\u6cd5\u4f86\u6574\u7406\u7d22\u5f15\uff1a<\/p>\n<ul>\n<li><strong>\u91cd\u5efa\u7d22\u5f15\uff1a<\/strong>\u9019\u7a2e\u65b9\u6cd5\u6703\u5b8c\u5168\u91cd\u5efa\u7d22\u5f15\uff0c\u6d88\u9664\u6240\u6709\u7684\u788e\u7247\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u91cd\u5efa\u7d22\u5f15\uff1a<\/li>\n<pre><code>ALTER INDEX ALL ON TableName REBUILD;<\/code><\/pre>\n<li><strong>\u91cd\u7d44\u7d22\u5f15\uff1a<\/strong>\u9019\u7a2e\u65b9\u6cd5\u6703\u5c0d\u7d22\u5f15\u9032\u884c\u8f15\u5fae\u7684\u6574\u7406\uff0c\u9069\u5408\u788e\u7247\u7a0b\u5ea6\u8f03\u4f4e\u7684\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u91cd\u7d44\u7d22\u5f15\uff1a<\/li>\n<pre><code>ALTER INDEX ALL ON TableName REORGANIZE;<\/code><\/pre>\n<\/ul>\n<p>\u4e00\u822c\u4f86\u8aaa\uff0c\u7576\u788e\u7247\u7a0b\u5ea6\u8d85\u904e30%\u6642\uff0c\u5efa\u8b70\u91cd\u5efa\u7d22\u5f15\uff1b\u7576\u788e\u7247\u7a0b\u5ea6\u572810%\u523030%\u4e4b\u9593\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u91cd\u7d44\u7d22\u5f15\u3002<\/p>\n<h2 id=\"%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e7%b4%a2%e5%bc%95%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-SiBMbOFxga\">\u5b9a\u671f\u7dad\u8b77\u7d22\u5f15\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u5b9a\u671f\u7dad\u8b77\u7d22\u5f15\u662f\u78ba\u4fddSQL Server\u6027\u80fd\u7684\u95dc\u9375\u3002\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\u548c\u8b8a\u66f4\uff0c\u7d22\u5f15\u788e\u7247\u6703\u9010\u6f38\u589e\u52a0\uff0c\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u5efa\u8b70\u5b9a\u671f\u6aa2\u67e5\u7d22\u5f15\u788e\u7247\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u6574\u7406\u3002\u53ef\u4ee5\u4f7f\u7528SQL Server\u4ee3\u7406\u4f86\u81ea\u52d5\u5316\u9019\u4e00\u904e\u7a0b\uff0c\u8a2d\u7f6e\u5b9a\u671f\u7684\u7dad\u8b77\u8a08\u5283\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-SiBMbOFxga\">\u7d50\u8ad6<\/h2>\n<p>\u6574\u7406\u7d22\u5f15\u788e\u7247\u662f\u63d0\u5347SQL Server\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u5b9a\u671f\u6aa2\u67e5\u548c\u7dad\u8b77\u7d22\u5f15\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u67e5\u8a62\u5ef6\u9072\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7684\u6574\u9ad4\u6548\u7387\u3002\u5c0d\u65bc\u4f7f\u7528SQL Server\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9019\u662f\u4e00\u9805\u4e0d\u53ef\u5ffd\u8996\u7684\u7dad\u8b77\u5de5\u4f5c\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f18\u5316SQL Server\u6027\u80fd\uff0c\u901a\u8fc7\u6574\u7406\u7d22\u5f15\u788e\u7247\uff0c\u63d0\u5347\u67e5\u8be2\u901f\u5ea6\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u9ad8\u6548\u8fd0\u884c\uff0c\u51cf\u5c11\u54cd\u5e94\u65f6\u95f4\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-196293","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196293","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=196293"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196293\/revisions"}],"predecessor-version":[{"id":196294,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196293\/revisions\/196294"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}