mysql - 寻找带有子查询的查询

Question

我的数据库中有 2 个表：

• TableA包含aId, aBId, a3, ...
• TableB包含bId, b2value, b3,...

aBId是bId的tableB。

我需要一个 mysql 查询，它从 tableA 中选择所有记录，其中来自 bId 的记录具有 b2value = 'something'...讨厌查询...

Answer 1

select a.* 
from TableA a
inner join TableB b on a.aBid = b.bId
where b.b2Value = 'something'

Answer 2

select a.* from TableA a join TableB b on a.aBId = b.bId where b.b2value = 'something'

Answer 3

    select * 
    from TableA
    inner join TableB on TableA.aBId = TableB.bId
    where TableB.b2Value = 'something'