Oracle OCP 082知识
剩余时间：
第 66 题 (多选题)：
Which two statements are true about the Oracle Data Dictionary.
A. Data dictionary base tables can be queried directly.
B. All data dictionary view join base tables to dynamic performance views .
C. It is owned by the SYSTEM user.
D. Data dictionary views are always created with queries that join two or more base tables .
E. It is owned by the sys user.
显示答案
正确答案：
A,E
解析：
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