产生的查询如下:
SELECT [zData Navy FY15 AFS].[Journal Voucher ID], Count([zData Navy FY15 AFS].[DB_ID]) AS [DB_ID], First([zData Navy FY15 AFS].[Source]) AS [Source], First([zData Navy FY15 AFS].[Reason])) AS [Length] FROM [zData Navy FY15 AFS] GROUP BY [zData <