We don't need to argue that Microsoft SQL Server technology is a leading database information system.
I discovered some cool resources relevant about SQL stuff today.
Professional Association for SQL Server
http://www.sqlpass.org/Community.aspx
Data Warehousing
http://www.microsoft.com/sqlserver/2008/en/us/fasttrack.aspx
Master Data Services
http://www.microsoft.com/sqlserver/2008/en/us/MDS.aspx
PowerPivot
http://www.powerpivot.com/
SQL Server 2008 R2 Update
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=fffaad6a-0153-4d41-b289-a3ed1d637c0d
