select b1 b2 b3 b4 from a a,b b where a.id = b.id
select b1,b2,b3,b4 from b where b1=" & a1 & " or b2=" & a1 & " or b3=" & a1 & " or b3= " & a1
28,409
社区成员
356,971
社区内容
加载中
试试用AI创作助手写篇文章吧