日期:2014-05-18 浏览次数:20462 次
select * from a union select * from b union select * from c
------解决方案--------------------
select a.id aid,b.id bid,c.id cid from (select * from @表A where id = 2) a full join @表B b on a.id = b.id full join @表C c on a.id = c.id