英文版 Microsoft SQL Server 2005 Service Pack 2 下载地址:

http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=d07219b2-1e23-49c8-8f0c-63fa18f26d3a

中文版 Microsoft SQL Server 2005 Service Pack 2 下载地址:
http://www.microsoft.com/downloads/details.aspx?displaylang=zh-cn&FamilyID=d07219b2-1e23-49c8-8f0c-63fa18f26d3a

SQL Server 2005 SP2 的新增功能

http://download.microsoft.com/download/e/2/b/e2baa171-0995-42f9-befc-526ae4683ea2/WhatsNewSQL2005SP2.htm