Query Sharepoint Content DB for Doc Library Sizes and Number of versions

SELECT v.[id],        d.dirname,        Count(v.[version]) MaxNumberOfVersions,        Sum(v.[size])      TotalDocLibSize,        Max(v.[size])      LargestDocSize FROM   [dbo].[alldocversions] v        JOIN [dbo].alldocs d          ON v.id = d.id GROUP  BY v.id,           d.dirname ORDER  BY 4 DESC