{"id":140356,"date":"2024-10-31T20:32:43","date_gmt":"2024-10-31T12:32:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/140356\/"},"modified":"2024-10-31T20:32:44","modified_gmt":"2024-10-31T12:32:44","slug":"sql-server%e9%80%9a%e9%81%8e%e6%95%b4%e7%90%86%e7%b4%a2%e5%bc%95%e7%a2%8e%e7%89%87%e5%92%8c%e9%87%8d%e5%bb%ba%e7%b4%a2%e5%bc%95%e6%8f%90%e9%ab%98%e9%80%9f%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/140356\/","title":{"rendered":"SQL Server\u901a\u904e\u6574\u7406\u7d22\u5f15\u788e\u7247\u548c\u91cd\u5efa\u7d22\u5f15\u63d0\u9ad8\u901f\u5ea6"},"content":{"rendered":"<h1 id=\"sql-server%e9%80%9a%e9%81%8e%e6%95%b4%e7%90%86%e7%b4%a2%e5%bc%95%e7%a2%8e%e7%89%87%e5%92%8c%e9%87%8d%e5%bb%ba%e7%b4%a2%e5%bc%95%e6%8f%90%e9%ab%98%e9%80%9f%e5%ba%a6-DSwismBlgk\">SQL Server\u901a\u904e\u6574\u7406\u7d22\u5f15\u788e\u7247\u548c\u91cd\u5efa\u7d22\u5f15\u63d0\u9ad8\u901f\u5ea6<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d22\u5f15\u7684\u6027\u80fd\u5c0d\u65bc\u67e5\u8a62\u901f\u5ea6\u548c\u6574\u9ad4\u7cfb\u7d71\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cSQL Server\u4e2d\u7684\u7d22\u5f15\u53ef\u80fd\u6703\u51fa\u73fe\u788e\u7247\uff0c\u9019\u6703\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u6574\u7406\u7d22\u5f15\u788e\u7247\u548c\u91cd\u5efa\u7d22\u5f15\u4f86\u63d0\u9ad8SQL 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-DSwismBlgk\">\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\u4e4b\u9593\u7684\u7a7a\u9699\u6216\u4e0d\u9023\u7e8c\u6027\u3002\u7576\u6578\u64da\u88ab\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u6642\uff0c\u7d22\u5f15\u9801\u9762\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u518d\u9023\u7e8c\uff0c\u9019\u6703\u5c0e\u81f4\u67e5\u8a62\u6642\u9700\u8981\u66f4\u591a\u7684I\/O\u64cd\u4f5c\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\u88ab\u6253\u4e82\u6642\uff0c\u6703\u5c0e\u81f4\u67e5\u8a62\u6548\u7387\u964d\u4f4e\u3002<\/li>\n<li><strong>\u7269\u7406\u788e\u7247\uff1a<\/strong>\u7576\u7d22\u5f15\u9801\u9762\u5728\u78c1\u789f\u4e0a\u7684\u5be6\u969b\u5b58\u5132\u4f4d\u7f6e\u4e0d\u9023\u7e8c\u6642\uff0c\u6703\u589e\u52a0\u8b80\u53d6\u6578\u64da\u6240\u9700\u7684\u6642\u9593\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-DSwismBlgk\">\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\uff0c\u5e6b\u52a9\u7ba1\u7406\u54e1\u8b58\u5225\u9700\u8981\u6574\u7406\u6216\u91cd\u5efa\u7684\u7d22\u5f15\u3002<\/p>\n<h2 id=\"%e6%95%b4%e7%90%86%e7%b4%a2%e5%bc%95%e8%88%87%e9%87%8d%e5%bb%ba%e7%b4%a2%e5%bc%95%e7%9a%84%e5%8d%80%e5%88%a5-DSwismBlgk\">\u6574\u7406\u7d22\u5f15\u8207\u91cd\u5efa\u7d22\u5f15\u7684\u5340\u5225<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u6574\u7406\u7d22\u5f15\u548c\u91cd\u5efa\u7d22\u5f15\u662f\u5169\u7a2e\u4e0d\u540c\u7684\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li><strong>\u6574\u7406\u7d22\u5f15\uff1a<\/strong>\u9019\u662f\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u64cd\u4f5c\uff0c\u4e3b\u8981\u7528\u65bc\u6e1b\u5c11\u908f\u8f2f\u788e\u7247\u3002\u5b83\u6703\u91cd\u65b0\u6392\u5217\u7d22\u5f15\u9801\u9762\uff0c\u4f46\u4e0d\u6703\u6539\u8b8a\u7d22\u5f15\u7684\u7d50\u69cb\u3002\u6574\u7406\u7d22\u5f15\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/li>\n<pre><code>ALTER INDEX IndexName ON TableName REORGANIZE;<\/code><\/pre>\n<li><strong>\u91cd\u5efa\u7d22\u5f15\uff1a<\/strong>\u9019\u662f\u4e00\u7a2e\u66f4\u70ba\u5fb9\u5e95\u7684\u64cd\u4f5c\uff0c\u6703\u5b8c\u5168\u522a\u9664\u4e26\u91cd\u65b0\u5275\u5efa\u7d22\u5f15\u3002\u9019\u4e0d\u50c5\u80fd\u6d88\u9664\u908f\u8f2f\u788e\u7247\uff0c\u9084\u80fd\u6d88\u9664\u7269\u7406\u788e\u7247\u3002\u91cd\u5efa\u7d22\u5f15\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/li>\n<pre><code>ALTER INDEX IndexName ON TableName REBUILD;<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e4%bd%95%e6%99%82%e9%80%b2%e8%a1%8c%e6%95%b4%e7%90%86%e6%88%96%e9%87%8d%e5%bb%ba%e7%b4%a2%e5%bc%95-DSwismBlgk\">\u4f55\u6642\u9032\u884c\u6574\u7406\u6216\u91cd\u5efa\u7d22\u5f15<\/h2>\n<p>\u4e00\u822c\u4f86\u8aaa\uff0c\u7576\u7d22\u5f15\u7684\u788e\u7247\u7a0b\u5ea6\u8d85\u904e30%\u6642\uff0c\u5efa\u8b70\u9032\u884c\u91cd\u5efa\uff1b\u800c\u7576\u788e\u7247\u7a0b\u5ea6\u572810%\u523030%\u4e4b\u9593\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u9032\u884c\u6574\u7406\u3002\u5b9a\u671f\u6aa2\u67e5\u548c\u7dad\u8b77\u7d22\u5f15\u662f\u4fdd\u6301SQL Server\u6027\u80fd\u7684\u95dc\u9375\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-DSwismBlgk\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7dad\u8b77SQL Server\u7d22\u5f15\u7684\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u76e3\u63a7\u7d22\u5f15\u788e\u7247\u7a0b\u5ea6\uff0c\u6839\u64da\u9700\u8981\u9032\u884c\u6574\u7406\u6216\u91cd\u5efa\u3002<\/li>\n<li>\u5728\u4f4e\u5cf0\u6642\u6bb5\u9032\u884c\u91cd\u5efa\u64cd\u4f5c\uff0c\u4ee5\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u81ea\u52d5\u5316\u8173\u672c\u4f86\u5b9a\u671f\u57f7\u884c\u7d22\u5f15\u7dad\u8b77\u4efb\u52d9\u3002<\/li>\n<li>\u5728\u91cd\u5efa\u7d22\u5f15\u4e4b\u524d\uff0c\u78ba\u4fdd\u6709\u5b8c\u6574\u7684\u6578\u64da\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DSwismBlgk\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u5b9a\u671f\u6574\u7406\u548c\u91cd\u5efa\u7d22\u5f15\uff0cSQL Server\u7684\u6027\u80fd\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u3002\u9019\u4e0d\u50c5\u80fd\u6e1b\u5c11\u67e5\u8a62\u7684\u97ff\u61c9\u6642\u9593\uff0c\u9084\u80fd\u63d0\u9ad8\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u5eab\u7684\u61c9\u7528\uff0c\u7dad\u8b77\u7d22\u5f15\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\uff0c\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u6d41\u66a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u901a\u904e\u6574\u7406\u548c\u91cd\u5efaSQL Server\u7d22\u5f15\u4f86\u6e1b\u5c11\u788e\u7247\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u548c\u67e5\u8a62\u901f\u5ea6\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-140356","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140356","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=140356"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140356\/revisions"}],"predecessor-version":[{"id":140357,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140356\/revisions\/140357"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=140356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=140356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=140356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}