functions and userdefined functions

Question

can any one tell me the best blogs to learn functions and userdefined functions in sql server(with basics and advanced)

Abhay Shanker · Answer

http://technet.microsoft.com/en-us/library/ms177499(v=sql.105).aspx http://msdn.microsoft.com/en-us/library/ms186755.aspx http://searchsqlserver.techtarget.com/feature/SQL-Server-2008-function-types-in-T-SQL

Ajay Patel · Answer

http://msdn.microsoft.com/en-us/magazine/cc164062.aspx