OCP认证052考试，新加的考试题还有答案整理-23题

23、Which two are true about data dictionary and dynamic performance views (v$ views)?

A) All database users have access to ALL_* views.

B) Data dictionary view output is subject to read consistency.

C) The defining queries for Oracle supplied dynamic performance views are stored In the data dictionary.

D) All v$ views display output when queries, if the instance is in nomount state

E) All database users have access to all v$ views.

Answer:AB