Performance

- SQL Server

http://www.dotblogs.com.tw/ricochen/archive/2009/08/23/10192.aspx

Dynamic Management Views and Functions
http://msdn.microsoft.com/en-us/library/ms188754(v=sql.105).aspx

Mapping System Tables to System Views
http://msdn.microsoft.com/en-us/library/ms187997(v=sql.105).aspx