insert into tableA (column1)
select min(tableC.column1)
from tableB
inner join tableC on (tableC.coumn2 = tableB.column1
and tableB.column2 = tableA.column2)
group by tableA.column2
如何根據條件tableB.column2 = tableA.column2
將上述內容更改爲組更新而不是插入組?帶有羣組的SQL Server更新通過
請注意,我用的SQL SERVER 2008.
可能重複(http://stackoverflow.com/questions/2853403/sql-server-update-group-by) –