{"id":139604,"date":"2024-10-31T18:57:19","date_gmt":"2024-10-31T10:57:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/139604\/"},"modified":"2024-10-31T18:57:19","modified_gmt":"2024-10-31T10:57:19","slug":"sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bd%bf%e7%94%a8dbcc-showcontig%e6%aa%a2%e6%9f%a5%e7%b4%a2%e5%bc%95%e7%a2%8e%e7%89%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/139604\/","title":{"rendered":"SQL Server\u6578\u64da\u5eab\u4f7f\u7528DBCC ShowContig\u6aa2\u67e5\u7d22\u5f15\u788e\u7247"},"content":{"rendered":"<h1 id=\"sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bd%bf%e7%94%a8dbcc-showcontig%e6%aa%a2%e6%9f%a5%e7%b4%a2%e5%bc%95%e7%a2%8e%e7%89%87-dxQlcRpEEp\">SQL Server\u6578\u64da\u5eab\u4f7f\u7528DBCC ShowContig\u6aa2\u67e5\u7d22\u5f15\u788e\u7247<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d22\u5f15\u7684\u6027\u80fd\u5c0d\u65bc\u67e5\u8a62\u7684\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\u548c\u8b8a\u66f4\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u51fa\u73fe\u788e\u7247\uff0c\u9019\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\uff0cSQL Server\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5de5\u5177\u4f86\u6aa2\u67e5\u548c\u7dad\u8b77\u7d22\u5f15\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662fDBCC ShowContig\u547d\u4ee4\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afdbcc-showcontig%ef%bc%9f-dxQlcRpEEp\">\u4ec0\u9ebc\u662fDBCC ShowContig\uff1f<\/h2>\n<p>DBCC ShowContig\u662f\u4e00\u500b\u7528\u65bc\u6aa2\u67e5SQL Server\u6578\u64da\u5eab\u4e2d\u7d22\u5f15\u788e\u7247\u7684\u547d\u4ee4\u3002\u5b83\u53ef\u4ee5\u63d0\u4f9b\u6709\u95dc\u6578\u64da\u9801\u7684\u9023\u7e8c\u6027\u548c\u7d22\u5f15\u7684\u788e\u7247\u7a0b\u5ea6\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u9019\u4e9b\u4fe1\u606f\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u4f86\u8aaa\u975e\u5e38\u91cd\u8981\uff0c\u56e0\u70ba\u5b83\u5011\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u9700\u8981\u91cd\u5efa\u6216\u91cd\u7d44\u7684\u7d22\u5f15\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8dbcc-showcontig-dxQlcRpEEp\">\u5982\u4f55\u4f7f\u7528DBCC ShowContig<\/h2>\n<p>\u4f7f\u7528DBCC ShowContig\u547d\u4ee4\u975e\u5e38\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u8a9e\u6cd5\u793a\u4f8b\uff1a<\/p>\n<pre><code>DBCC SHOWCONTIG ('table_name') WITH ALL_INDEXES;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c&#8217;table_name&#8217;\u662f\u60a8\u60f3\u8981\u6aa2\u67e5\u7684\u8868\u7684\u540d\u7a31\u3002\u9019\u500b\u547d\u4ee4\u5c07\u8fd4\u56de\u6709\u95dc\u8a72\u8868\u6240\u6709\u7d22\u5f15\u7684\u788e\u7247\u4fe1\u606f\u3002<\/p>\n<h3 id=\"%e8%bf%94%e5%9b%9e%e7%9a%84%e4%b8%bb%e8%a6%81%e4%bf%a1%e6%81%af-dxQlcRpEEp\">\u8fd4\u56de\u7684\u4e3b\u8981\u4fe1\u606f<\/h3>\n<p>\u57f7\u884cDBCC ShowContig\u5f8c\uff0c\u60a8\u5c07\u7372\u5f97\u4ee5\u4e0b\u5e7e\u500b\u91cd\u8981\u7684\u6307\u6a19\uff1a<\/p>\n<ul>\n<li><strong>Scan Density:<\/strong> \u9019\u500b\u503c\u8868\u793a\u6578\u64da\u9801\u7684\u9023\u7e8c\u6027\uff0c\u503c\u8d8a\u9ad8\u8868\u793a\u9023\u7e8c\u6027\u8d8a\u597d\u3002<\/li>\n<li><strong>Logical Fragmentation:<\/strong> \u9019\u662f\u6307\u908f\u8f2f\u9801\u9762\u4e4b\u9593\u7684\u788e\u7247\u7a0b\u5ea6\uff0c\u901a\u5e38\u4ee5\u767e\u5206\u6bd4\u8868\u793a\u3002<\/li>\n<li><strong>Extent Fragmentation:<\/strong> \u9019\u662f\u6307\u5728\u64f4\u5c55\u4e2d\u7684\u9801\u9762\u788e\u7247\u7a0b\u5ea6\u3002<\/li>\n<li><strong>Page Count:<\/strong> \u9019\u662f\u7d22\u5f15\u4e2d\u9801\u9762\u7684\u7e3d\u6578\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a7%a3%e8%ae%80dbcc-showcontig%e7%9a%84%e7%b5%90%e6%9e%9c-dxQlcRpEEp\">\u5982\u4f55\u89e3\u8b80DBCC ShowContig\u7684\u7d50\u679c<\/h2>\n<p>\u5728\u5206\u6790DBCC ShowContig\u7684\u7d50\u679c\u6642\uff0c\u60a8\u9700\u8981\u95dc\u6ce8\u4ee5\u4e0b\u5e7e\u500b\u6307\u6a19\uff1a<\/p>\n<ul>\n<li>\u5982\u679c<strong>Logical Fragmentation<\/strong>\u7684\u503c\u8d85\u904e30%\uff0c\u5247\u5efa\u8b70\u91cd\u5efa\u7d22\u5f15\u3002<\/li>\n<li>\u5982\u679c\u503c\u572810%\u523030%\u4e4b\u9593\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u91cd\u7d44\u7d22\u5f15\u3002<\/li>\n<li>\u5982\u679c\u503c\u4f4e\u65bc10%\uff0c\u5247\u7d22\u5f15\u7684\u788e\u7247\u7a0b\u5ea6\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b6%ad%e8%ad%b7%e7%b4%a2%e5%bc%95%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-dxQlcRpEEp\">\u7dad\u8b77\u7d22\u5f15\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u70ba\u4e86\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5b9a\u671f\u6aa2\u67e5\u548c\u7dad\u8b77\u7d22\u5f15\u662f\u5fc5\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u904b\u884cDBCC ShowContig\u4ee5\u76e3\u63a7\u7d22\u5f15\u7684\u72c0\u614b\u3002<\/li>\n<li>\u6839\u64da\u788e\u7247\u7a0b\u5ea6\u5b9a\u671f\u91cd\u5efa\u6216\u91cd\u7d44\u7d22\u5f15\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528SQL Server\u7684\u81ea\u52d5\u7dad\u8b77\u8a08\u5283\u4f86\u81ea\u52d5\u5316\u9019\u4e9b\u4efb\u52d9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-dxQlcRpEEp\">\u7d50\u8ad6<\/h2>\n<p>DBCC ShowContig\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u6aa2\u67e5\u548c\u7dad\u8b77SQL Server\u4e2d\u7684\u7d22\u5f15\u788e\u7247\u3002\u901a\u904e\u5b9a\u671f\u4f7f\u7528\u9019\u500b\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6027\u80fd\u4fdd\u6301\u5728\u6700\u4f73\u72c0\u614b\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9019\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u6258\u7ba1\u60a8\u7684\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528DBCC ShowContig\u6aa2\u67e5SQL Server\u6578\u64da\u5eab\u4e2d\u7684\u7d22\u5f15\u788e\u7247\uff0c\u512a\u5316\u6027\u80fd\u4e26\u63d0\u9ad8\u67e5\u8a62\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-139604","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139604","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=139604"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139604\/revisions"}],"predecessor-version":[{"id":139605,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139604\/revisions\/139605"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=139604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=139604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=139604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}