试试吧:)我这里是3.26无法测试union
(select a.id,sum(a.count) as count from TableA a left outer join TableB b on a.id=b.id group by a.id)
union
(select a.id,sum(a.count) as count from TableB a left outer join TableA b on a.id=b.id group by a.id )
(select a.id,sum(a.count) as count from TableA a left outer join TableB b on a.id=b.id group by a.id)
union
(select a.id,sum(a.count) as count from TableB a left outer join TableA b on a.id=b.id group by a.id )
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货