既然是求交集,那么这两个表的关系模式应该是相同的了,
select a.* from
(select * from table order by table.a desc limit 10) as a, (select * from table order by table.b desc limit 10) as b
where a.primary_key = b.primary_key --先将两个结果作为两张临时表,然后通过主键 primary_key来获取交集(交集肯定就是主键相等的了,因为关系模式相同)
查询1:select * form A where keywords like '%小猫%'
查询2:
select * form A where keywords like '%小狗%'
select * from 查询1 a inenr join 查询2 on a.keywords=b.keywords
欢迎分享,转载请注明来源:内存溢出
评论列表(0条)