Oracle OCP 082知识
剩余时间：
第 80 题 (多选题)：
Which three statements are true about dynamic performance views.
A. They are owned by the SYSTEM user.
B. V$FIXED_TABLE can be queried to display the name of all dynamic performance views.
C. Data displayed by querying dynamic performance views is derived from metadata in the data dictionary.
D. Data displayed by querying dynamic performance views is derived from memory structures.
E. They can be queried only when the database is open.
F. Read consistency is not guaranteed.
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正确答案：
B,D,F
解析：
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