Microsoft
Microsoft Sql Server Home Page
The home page for Microsoft SQL Server relational database product.
Other
Sql Server Tutorial
This site contains an overview of SQL Server as well as a variety of tutorials.
AulaClic
Aula Clic: Curso De Sql Server
This site provides extensive tutorials with graphics for using SQL Server successfully. Exercises and evaluations are also provided.
Wikimedia
Wikipedia: Sql Server
A Wikipedia description of the Microsoft SQL Server relational database product.