http://blogs.msdn.com/sqlprogrammability/archive/2006/05/01/MARSIntroduction1.aspxMARS is a new programming interface introduced in SQL Server 2005. It enables multiple result sets to exist at the same time for a given connection. To say it in a simple way, you can make a connection to server and then submit multiple requests to serveren-USCommunityServer 2.1 SP1 (Build: 61025.2)