SQL TOP 和 DISTINCT 结合使用

SELECT  TOP  4  * FROM 
            (SELECT  DISTINCT  TBL1.*

              FROM TBL1
          LEFT JOIN  dbo.VinGrape  ON TBL1.VinID
= dbo.VinGrape.VinID AND
             TBL1.VintageID = dbo.VinGrape.VintageID