{"id":78962,"date":"2026-11-10T19:47:24","date_gmt":"2026-11-10T19:47:24","guid":{"rendered":"http:\/\/bangla.sitestree.com\/?p=78962"},"modified":"2026-11-10T19:56:42","modified_gmt":"2026-11-10T19:56:42","slug":"rewritten-sql-server-22513","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=78962","title":{"rendered":"SQL Server DMVs and DBCC Commands: A Beginner&#8217;s Primer"},"content":{"rendered":"<p>Dynamic management views and DBCC commands are two foundations of SQL Server administration. DMVs answer questions about current and accumulated engine state, while DBCC offers specific database-console operations.<\/p>\n<h2>Dynamic management views<\/h2>\n<p>Examples include sys.dm_exec_requests for active requests, sys.dm_os_wait_stats for aggregate waits, and sys.dm_db_index_usage_stats for index-use indicators. Some values reset; permissions differ by version.<\/p>\n<h2>DBCC commands<\/h2>\n<p>DBCC CHECKDB assesses logical and physical consistency; DBCC CHECKTABLE targets a table. Other DBCC commands have very different effects, so learn each syntax and risk separately.<\/p>\n<h2>A short diagnostic query<\/h2>\n<pre><code>SELECT session_id, command, status, wait_type\nFROM sys.dm_exec_requests\nWHERE session_id &gt; 50;<\/code><\/pre>\n<h2>How to learn safely<\/h2>\n<p>Begin with supported read-only queries against a development instance. Read the documentation for your SQL Server version; measure collection overhead and check permissions before attempting checks against live systems.<\/p>\n<h2>Next steps<\/h2>\n<p>Study Query Store, Extended Events, actual execution plans, restore drills, and how to use diagnostic results to form a verifiable hypothesis.<\/p>\n<hr\/>\n<p><strong>AI content and reuse notice:<\/strong> Written using AI based on <a href=\"https:\/\/bangla.sitestree.com\/?p=22513\">this site&#8217;s earlier post (22513)<\/a>, with added explanations and examples. The newly generated text may be reused, edited, or republished with or without attribution. Third-party works and trademarks remain subject to their own rights. <strong>AI can make mistakes.<\/strong> Check all code, version-specific features, and operational decisions against current vendor documentation before production use.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dynamic management views and DBCC commands are two foundations of SQL Server administration. DMVs answer questions about current and accumulated engine state, while DBCC offers specific database-console operations.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[20,182],"tags":[466],"class_list":["post-78962","post","type-post","status-publish","format-standard","hentry","category-information-technology","category---blog","tag-sql-server","item-wrap"],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":78984,"url":"http:\/\/bangla.sitestree.com\/?p=78984","url_meta":{"origin":78962,"position":0},"title":"Getting Started with SQL Server Dynamic Management Views and DBCC Commands","author":"Sayed","date":"November 10, 2026","format":false,"excerpt":"Dynamic management views (DMVs) expose diagnostic state, while DBCC commands check consistency and perform specific maintenance functions. Understanding what each tool can do is an important administration skill.","rel":"","context":"In &quot;Information Technology&quot;","block_context":{"text":"Information Technology","link":"http:\/\/bangla.sitestree.com\/?cat=20"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":78960,"url":"http:\/\/bangla.sitestree.com\/?p=78960","url_meta":{"origin":78962,"position":1},"title":"SQL Server DMVs and DBCC: Monitoring and Consistency Checks","author":"Sayed","date":"November 10, 2026","format":false,"excerpt":"Dynamic management views provide state information; DBCC commands perform diagnostic, maintenance, and consistency-related tasks. Treat them as different tool categories that sometimes complement each other.","rel":"","context":"In &quot;Information Technology&quot;","block_context":{"text":"Information Technology","link":"http:\/\/bangla.sitestree.com\/?cat=20"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4960,"url":"http:\/\/bangla.sitestree.com\/?p=4960","url_meta":{"origin":78962,"position":2},"title":"Pretty basic introduction to Microsoft Sql Server Dynamic Management Views and DBCC commands","author":"Sayed","date":"August 24, 2014","format":false,"excerpt":"Pretty basic introduction to Microsoft Sql Server Dynamic Management Views and DBCC commands","rel":"","context":"In &quot;Root&quot;","block_context":{"text":"Root","link":"http:\/\/bangla.sitestree.com\/?cat=1"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":22513,"url":"http:\/\/bangla.sitestree.com\/?p=22513","url_meta":{"origin":78962,"position":3},"title":"SQL Server: Basics of Dynamic Management Views and DBCC Commands #Root #By Sayed Ahmed #MS SQL Server #SQL Server Reporting","author":"Author-Check- Article-or-Video","date":"March 15, 2021","format":false,"excerpt":"Inspired By: Tuning Queries: SQl Server - http:\/\/salearningschool.com\/displayArticle.php?table=Articles&articleID=1156&title=Tuning%20Queries:%20SQl%20Server What are these? Dynamic Management Views, and DBCC Commands Dynamic Management Views: \"Dynamic management views and functions return server state information that can be used to monitor the health of a server instance, diagnose problems, and tune performance.\" From: http:\/\/msdn.microsoft.com\/en-us\/library\/ms188754.aspx DBCC Statements:\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":22517,"url":"http:\/\/bangla.sitestree.com\/?p=22517","url_meta":{"origin":78962,"position":4},"title":"Microsoft SQL Server Dynamic Management Views and DBCC Commands  #Root #By Sayed Ahmed #MS SQL Server #SQL Server Reporting","author":"Author-Check- Article-or-Video","date":"March 15, 2021","format":false,"excerpt":"Pretty basic introduction to Microsoft Sql Server Dynamic Management Views and DBCC commands [youtube http:\/\/www.youtube.com\/watch?v=LcVgQ7ZrYdE?feature=player_detailpage&w=640&h=360] From: http:\/\/sitestree.com\/?p=1441 Categories:Root, By Sayed Ahmed, MS SQL Server, SQL Server ReportingTags: Post Data:2014-08-24 15:26:15 Shop Online: https:\/\/www.ShopForSoul.com\/ (Big Data, Cloud, Security, Machine Learning): Courses: http:\/\/Training.SitesTree.com In Bengali: http:\/\/Bangla.SaLearningSchool.com http:\/\/SitesTree.com 8112223 Canada Inc.\/JustEtc: http:\/\/JustEtc.net (Software\/Web\/Mobile\/Big-Data\/Machine\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":23196,"url":"http:\/\/bangla.sitestree.com\/?p=23196","url_meta":{"origin":78962,"position":5},"title":"How to optimize query response time? #Root #By Sayed Ahmed","author":"Author-Check- Article-or-Video","date":"March 26, 2021","format":false,"excerpt":"Check that only the required columns are selected [in select statements] Check that the right types of joins are used Check that if re-ordering the joins will help or not Check the indexes of the tables [is indexing done on the right columns] Check that in joins you used the\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/78962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78962"}],"version-history":[{"count":1,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/78962\/revisions"}],"predecessor-version":[{"id":79024,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/78962\/revisions\/79024"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78962"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}