Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我在 oracle 数据库中有以下三个名为 A、B 和 C 的表。
现在我在三个表上写连接条件
select a.AName from A a,B b,C c where a.BID=b.BID and b.BID=c.BID.
我在这三个表上编写连接条件的方式是否正确。请建议我。
尝试加入::
select a.AName from A a inner join B b on a.BID=b.BID inner join C c on b.BID=c.BID where c.CSalary=1000;