select C.i_name
from jiwangshi A,illness B,invalid C
where A.ill_id=B.id and A.i_id=C.id
and B.ill_name in ('病1','病2',.....'病n')
group by C.i_name
having count(distinct B.ill_name)=n
from jiwangshi A,illness B,invalid C
where A.ill_id=B.id and A.i_id=C.id
and B.ill_name in ('病1','病2',.....'病n')
group by C.i_name
having count(distinct B.ill_name)=n
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