求问超级简单的数据表查询如何写

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Release: 2016-06-13 12:08:30
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求问超级简单的数据表查询怎么写?
表A字段:id title text

表B 字段:id Aid

表A的id 存为表B的Aid。

查询出表B的 Aid,然后再通过Aid查询出表A的title ,直接写出一句SQL,怎么写?
------解决思路----------------------

selcet * from A where id IN (select Aid from b);
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不知道是不是你想要的。
------解决思路----------------------
select B.Aid,A.title from B join A on B.Aid=A.id
------解决思路----------------------
select A.title from A,B where A.id=B.Aid

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