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單項選擇題

Which one of the following parameters must be specified when exporting objects that has integrity constraints referencing objects that are currently being accessed by other users？（）

A.IGNORE=Y
B.DIRECT=Y
C.CONSISTENT=Y
D.BUFFER=Y

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單項選擇題

Which of the following roles provides the privileges to maintain and query the recovery catalog schema？（）

A.EXECUTE_CATALOG_ROLE
B.CONNECT
C.RESOURCE
D.RECOVERY_CATALOG_OWNER
E.RECOVERY_CATALOG_USER

單項選擇題

Which of the following files cannot be cataloged using the CATALOG command？（）

A.Data files
B.Control files
C.Archived log files
D.Files storing RMAN scripts

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