日期:2014-05-18 浏览次数:20543 次
--2 select B.* from B where B.B_ID not in (select distinct A_ID from A ) and B.B_INFO in (1,2) --3 A,B结构一样的话 with TT as( select B_id as id,B_info as info from B except --主要是这个对比了一下两表差异 select A_id as id,A_info as info from A) select * from TT where info in(1,2)