MicrosoftВ® SQL Server(TM) 2005 Reporting Services Step by Step (Step by Step (Microsoft))

As with most skills, the best way to become proficient at creating ad hoc reports with the Report Builder is to do it. Use the model built on the Galactic database to practice your data analysis. Better yet, have one or more models created from your own organization’s data and jump right in.

Remember, you can’t break anything, so give it a try.