ENT news states:
"Microsoft released its third Community Technical Preview for SQL Server 2005 this month with a new ad hoc reporting tool and 64-bit support for more components of Microsoft's flagship database.
As the schedule for the Beta 3 version of SQL Server 2005 stretched further out from the summer 2004 Beta 2 version, Microsoft began releasing Community Technical Previews. One came out in October and another shipped in December. They are available on MSDN and to SQL Server beta testers. Microsoft must deliver the Beta 3 version of SQL Server 2005 this month to meet the current schedule, which calls for the test version in the first quarter of this year.
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