http://blogs.msdn.com/microsoft_dynamics_nav_sustained_engineering/archive/2008/10/14/simple-query-to-check-the-recent-performance-history-ii-now-including-query-plan-information.aspxOne of the queries I use the most, is the pplan-cache query from this post: Simple query to check the recent performance history The good thing about the query is that it shows information that could otherwise require a lot of work (collecting and analysingen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/microsoft_dynamics_nav_sustained_engineering/archive/2008/10/14/simple-query-to-check-the-recent-performance-history-ii-now-including-query-plan-information.aspx#9442980Tue, 24 Feb 2009 21:32:37 GMT91d46819-8472-40ad-a661-2c78acb4018c:9442980Microsoft Dynamics NAV Sustained Engineering Team <p>One of the changes in Microsoft Dynamics NAV version 5, was to change from primarily making use of Fast</p> http://blogs.msdn.com/microsoft_dynamics_nav_sustained_engineering/archive/2008/10/14/simple-query-to-check-the-recent-performance-history-ii-now-including-query-plan-information.aspx#9775266Thu, 18 Jun 2009 12:23:23 GMT91d46819-8472-40ad-a661-2c78acb4018c:9775266Microsoft Dynamics NAV Sustained Engineering Team Blog<p>One of the changes in Microsoft Dynamics NAV version 5, was to change from primarily making use of Fast-Forward</p>