SQL Server 2008 Standard is a complete data management and business intelligence platform providing best-in-class ease of use and manageability for running departmental applications. What's new in R2?Built on SQL Server 2008 SQL Server 2008 R2 delivers higher mission-critical scale more efficient IT and expanded reporting and analytics through self-service business intelligence. SQL Server 2008 R2 introduces two new premium editions to meet the needs of large scale datacenters and data warehouses.LicensingA Server License is required for each operating system environment running SQL Server 2008. A User/Device CAL is required when a user or device is directly or indirectly accessing SQL Server. A minimum of 5 CALs is also required.