OCP-052考试题库汇总(7)-CUUG内部解答版

  Which is true about invalid PL/SQL objects?

  A)They are automatically recompiled against the new definition of a referenced object when they are called.

  B)They must be manually recompiled before they can be used if a DDL is performed on a table that is referenced in the PL/SQL object.

  C)They are automatically recompiled against the new definition of a referenced object at the same time as the referenced object is modified.

  D)They can be manually recompiled only by using SQL commands.

  Answer: A

  赵:

  A 译:它们在被调用时根据引用对象的新定义自动重新编译。

  B 译:如果在 PL/SQL 对象中引用的表上执行 DDL,则必须手动重新编译它们才能使用它们。

上一篇:The Product-Minded Software Engineer


下一篇:23 期-原文 6.30