How do SQL CALs work and what are the licensing requirements?
A. SQL Server 2008 now offers two types of CALs. The first is called SQL CAL, and the second one is called Workgroup CAL.SQL CAL. Any SQL CAL can be used against any licensed SQL Server regardless of the platform (32 bit, 64 bit, and IA64).Workgroup CAL. Workgroup CALs can only be used against a licensed SQL Workgroup Server.