MCTS 70-431 Exam Cram: Implementing and Maintaining Microsoft SQL Server 2005 Exam

On the Web

Inside SQL Server: www.insidesqlserver.com (The material was based on SQL Server 2000, with the 2005 release to come in the future.)

Solid Quality Learning: www.solidqualitylearning.com

SQL Server Books Online Help Facility

"SQL Server Database Engine -> Administering the Database Engine -> Monitoring and Tuning for Performance"