Microsoft released Service Pack 2 for SQL Server 2005. You can download the SP2 here.

Some of the changes are

·                                trigger on logon event

·                                vardecimal data type

To find out what is new in SQL Server SP2, click here 

APPLIES TO:

• Microsoft SQL Server 2005 Standard Edition
• Microsoft SQL Server 2005 Standard X64 Edition
• Microsoft SQL Server 2005 Standard Edition for Itanium-based Systems
• Microsoft SQL Server 2005 Enterprise Edition
• Microsoft SQL Server 2005 Enterprise X64 Edition
• Microsoft SQL Server 2005 Enterprise Edition for Itanium-based Systems
• Microsoft SQL Server 2005 Developer Edition
• Microsoft SQL Server 2005 Workgroup Edition
• Microsoft SQL Server 2005 Express Edition