我想查询 相同vUserCode里的最新时间,
我自己写的sql 语句,select * from table group by vUserCode order by cDate desc
回复讨论(解决方案)
select * from (select * from table order by cDate desc) t group by vUserCode
select max(cDate) from table group by vUserCode
我想查询 相同vUserCode里的最新时间,
我自己写的sql 语句,select * from table group by vUserCode order by cDate desc
select * from (select * from table order by cDate desc) t group by vUserCode
select max(cDate) from table group by vUserCode
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