MSSQL 分组后取每组第一条(group by order by)

MSSQL 分组后取每组第一条(group by order by)

select * from ( select ROW_NUMBER() over(partition by x order by y desc) RowNum ,testTable.* from testTable) as t1 where RowNum = 1

记录一下,以后会用到

原文地址:https://www.cnblogs.com/li5206610/p/7447338.html