try this
select idno,name from TABLE1 where idno in (select idno from TABLE2 where skill='sql' and year>=2) and idno in (select idno from TABLE2 where skill='Vb' and year>=2)
select idno,name from TABLE1 where idno in (select idno from TABLE2 where skill='sql' and year>=2) and idno in (select idno from TABLE2 where skill='Vb' and year>=2)
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