Ref Cursor就是我们定义在服务器端的结果集的reference。 当我们打开一个Ref Cursor的时候，没有任何的数据返回到客户端，相反，数据在服务器上的地址 ...

Students learn the benefits of Oracle 11g powerful extended PL/SQL functionality by exploring and utilizing advanced Oracle-supplied packages, procedures, REF cursors, extended interface methods, ...

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