（128）Note the points about data dictionary views and dynamic performance views:

1) These are stored in the SYSTEM tablespace.

2) These are the based on the virtual tables.

3) These are owned by the SYS user.

4) These can be queried by a normal user only if O7_DICTIONARY_ACCESSIBILTY parameter is set to TRUE.

5) The V$FIXED_TABLE view can be queried to list the names of these views.

Which statements listed describe the data dictionary views?

A. 1 and 3

B. 2, 3, and 5

C. 1, 2, and 3

D. 2, 3, 4, and 5

答案：（A）

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Oracle 11G OCP 1Z0-052 128