http://sql-articles.com/blogs/effect-of-truncate-table-command-on-log-shipping/ One Stop for SQL Server related Queries Fri, 05 Mar 2010 14:32:07 +0000 http://wordpress.org/?v=2.9.2 hourly 1 http://sql-articles.com/blogs/effect-of-truncate-table-command-on-log-shipping/comment-page-1/#comment-49 Vidhya Sagar Sat, 18 Jul 2009 07:10:49 +0000 http://sql-articles.com/blogs/?p=665#comment-49 <a href="#comment-48" rel="nofollow">@Paul Randal</a> Thanks Paul. @Paul Randal
Thanks Paul.

]]> http://sql-articles.com/blogs/effect-of-truncate-table-command-on-log-shipping/comment-page-1/#comment-48 Paul Randal Sat, 18 Jul 2009 04:50:44 +0000 http://sql-articles.com/blogs/?p=665#comment-48 It's not a non-logged operation - everything it does is fully logged. Instead, you should describe it as a non-DML operation - in that the table rows are not deleted, but in fact the entire set of allocated pages are deallocated. In 2000 SP4 onwards, they're deallocated by unhooking the IAM chains and then deallocating the individual pages and extents using a background task - a process called deferred-drop, to avoid running out of locks during the deallocation process. It’s not a non-logged operation – everything it does is fully logged. Instead, you should describe it as a non-DML operation – in that the table rows are not deleted, but in fact the entire set of allocated pages are deallocated. In 2000 SP4 onwards, they’re deallocated by unhooking the IAM chains and then deallocating the individual pages and extents using a background task – a process called deferred-drop, to avoid running out of locks during the deallocation process.

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