SQL删除重复行

Question

我有下一个查询

select No,
       Item,
       Quantity,
       Status
from myTable

执行查询时我得到

我想要区分No，但最后的导入数量是这样的：

仅从

获取此表组中的最后一个数据

Answer 1

WITH CTE (No, DuplicateCount)
AS
(
    SELECT No,
    ROW_NUMBER() OVER(PARTITION BY  No
    ORDER BY  No) AS DuplicateCount
    FROM myTable

)
Delete from CTE WHERE DuplicateCount >1

Answer 2

如果我正确理解了这个问题 试试这个  SELECT * FROM myTable GROUP BY No

Answer 3

如果您使用的是 MS SQL Server

试试这个

;WITH CTE AS
(
    select ROW_NUMBER() over (partition by [No] order by [No] desc) as rn,*
    from myTable
) 

select No,
       Item,
       Quantity,
       Status
from CTE where rn=1;