UNION ALL

select field1,field2,field3,field4 from table1 where ...

UNION ALL 

select field1,field2,field3,field4 from table1 where ...

将上面的结果集和下面的结果集加起来显示,字段要相同

posted @ 2014-09-26 11:00  递龟  阅读(102)  评论(0编辑  收藏  举报