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OCP 1Z0-051-48

原创 Oracle 作者:LuiseDalian 时间:2014-05-13 07:25:31 0 删除 编辑
(48)Which two statements are true regarding indexes? (Choose two.)

A. They can be created on tables and clusters.

B They can be created on tables and simple views.

C. You can create only one index by using the same columns.

D. You can create more than one index by using the same columns if you specify distinctly different combinations of the columns.

答案:(A、D)

解析:

B(X),不能在视图上创建索引

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