see this guys. It is really helpful

http://sajha.com/sajha/html/openThread.cfm?forum=2&threadid=65979

As a DBA,

You have to know about T-SQL for Reporting Services and DBA basics routine.

T-SQL is important.

1)When you have to deal with developers about their code and how to improve performance.

2) When working with SSRS

3)When you have to write scripts for DBA tasks like monitoring blocking, backup,Server-side traces

and more...