你可以利用表的互连:
select a.xuehao,a.ziduan,b.ziduan into c from a full outer join b
on a.xuehao=b.xuehao where ....
group by a.xuehao....
select a.xuehao,a.ziduan,b.ziduan into c from a full outer join b
on a.xuehao=b.xuehao where ....
group by a.xuehao....
解决方案 »
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