sql server取分组后的每组的第一条数据

select * from ( select F_Id,F_EnCode,F_FullName,F_LotNum,ROW_NUMBER() OVER(PARTITION BY F_EnCode,F_FullName ORDER By F_CreatorTime Desc) AS Row_Sort,F_CreatorTime from Mst_Test  ) A where A.Row_Sort=1

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