After the keynote, Microsoft officially released the community technical preview for Service Pack 2 of SQL Server 2005. SP2, due in the first quarter next year, works with Windows Vista and Office 2007 and features enhancements such as data compression, which Flessner said can cut the amount of disk space required by 40%. The company also announced a release candidate for SQL Server 2005 Compact Edition and said that Visual Studio Team Edition for Database Professionals will be released to manufacturing on Nov. 30.