Transact-SQL is Microsoft's and Sybase's proprietary extension to the SQL language. In order to make it more powerful, SQL has been enhanced with additional features such as:

• Control-of-flow language
• Local variables
• User authentication integrated with Microsoft Windows
• Various support functions for string processing, date processing, mathematics, etc.

External links

• Transact-SQL Reference (MSDN)

See also

• Microsoft SQL Server
• Adaptive Server Enterprise