根据两列的值拼接查查另一列的数据
根据两列数据相加的拼接的值的排序查询出另一个值
select top 1 rate from tbDecRate where columnname=@columnname order by (Year+Month) desc
111111
根据两列数据相加的拼接的值的排序查询出另一个值
select top 1 rate from tbDecRate where columnname=@columnname order by (Year+Month) desc