Q2. Which three statements are true about the Oracle Data Dictionary?
Q2. Which three statements are true about the Oracle Data Dictionary? (Choose three.)
- (A). Data dictionary views are created by joins of dictionary base tables and DBA-defined tables
- (B). The data dictionary is created and maintained by the database administrator
- (C). Views with the same name but different prefixes, such as CDB, DBA, ALL and USER, reference the same base tables from the data dictionary
- (D). Base tables can be queried directly
- (E). It is owned by the SYSTEM user
- (F). Usernames of all users including database administrators are stored in the data dictionary
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