{"id":801,"date":"2009-08-25T11:35:00","date_gmt":"2009-08-25T11:35:00","guid":{"rendered":"\/blogs\/paul\/post\/SQL-Server-2008-R2-bumps-the-database-version.aspx"},"modified":"2017-04-13T11:41:08","modified_gmt":"2017-04-13T18:41:08","slug":"sql-server-2008-r2-bumps-the-database-version","status":"publish","type":"post","link":"https:\/\/www.sqlskills.com\/blogs\/paul\/sql-server-2008-r2-bumps-the-database-version\/","title":{"rendered":"SQL Server 2008 R2 bumps the database version"},"content":{"rendered":"<p>\n<font face=\"verdana,geneva\" size=\"2\">(Be sure to <a href=\"https:\/\/www.sqlskills.com\/join-the-sqlskills-insider-community\/\">join our community<\/a> to get our monthly newsletter with exclusive content, advance notice of classes with discount codes, and other SQL Server goodies!)&nbsp;&nbsp;<\/font>\n<\/p>\n<p>\n<font face=\"verdana,geneva\" size=\"2\">SQL Server 2008 R2 has been out for a while now (see <\/font><a href=\"http:\/\/www.microsoft.com\/en-us\/server-cloud\/products\/sql-server\/\"><font face=\"verdana,geneva\" size=\"2\">http:\/\/www.microsoft.com\/sqlserver\/2008\/en\/us\/R2.aspx<\/font><\/a><font face=\"verdana,geneva\" size=\"2\">) and many people are trying it out.<\/font>\n<\/p>\n<p>\n<font face=\"verdana,geneva\" size=\"2\">One word of caution: any database attached to a 2008 R2 server will have the database physical version number increased to 661. The database version number for 2008 RTM and SP1 is 655. This means that you won&#39;t be able to take that 2008 R2 database and attach it back (or backup\/restore it back) to 2008 RTM, SP1, or SP2.<\/font>\n<\/p>\n<p>\n<font face=\"verdana,geneva\" size=\"2\">I don&#39;t mean this as a reason to not play around with R2, just be careful you don&#39;t inadvertently upgrade a database that you still need to run on 2008 RTM, SP1, or SP2.<\/font>\n<\/p>\n<p>\n<font face=\"verdana,geneva\" size=\"2\">For more info on database version number and how previous versions are not forward-version compatible, see these blog posts:<\/font>\n<\/p>\n<ul>\n<li>\n<div>\n\t<a href=\"https:\/\/www.sqlskills.com\/blogs\/paul\/search-engine-qa-13-difference-between-database-version-and-database-compatibility-level\/\"><font face=\"verdana,geneva\" size=\"2\">Search Engine Q&amp;A #13: Difference between database version and database compatibility level<\/font><\/a>\n\t<\/div>\n<\/li>\n<li>\n<div>\n\t<a href=\"https:\/\/technet.microsoft.com\/en-us\/magazine\/2008.08.sqlqa.aspx\"><font face=\"verdana,geneva\" size=\"2\">TechNet Magazine August 2008 SQL Q&amp;A column<\/font><\/a><font face=\"verdana,geneva\" size=\"2\"> which discusses physical version changes during upgrades<\/font>\n\t<\/div>\n<\/li>\n<li>\n<div>\n\t<a href=\"https:\/\/www.sqlskills.com\/blogs\/paul\/msg-602-level-21-state-50-line-1\/\"><font face=\"verdana,geneva\" size=\"2\">Msg 602, Level 21, State 50, Line 1<\/font><\/a><font face=\"verdana,geneva\" size=\"2\">&nbsp;on errors you&#39;ll see trying to attach or restore an uplevel database on a downlevel version<\/font>\n\t<\/div>\n<\/li>\n<\/ul>\n<p>\n<font face=\"verdana,geneva\" size=\"2\">Hope this helps!<\/font><\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Be sure to join our community to get our monthly newsletter with exclusive content, advance notice of classes with discount codes, and other SQL Server goodies!)&nbsp;&nbsp; SQL Server 2008 R2 has been out for a while now (see http:\/\/www.microsoft.com\/sqlserver\/2008\/en\/us\/R2.aspx) and many people are trying it out. One word of caution: any database attached to a [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-801","post","type-post","status-publish","format-standard","hentry","category-general"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SQL Server 2008 R2 bumps the database version - Paul S. 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