单项选择题

To perform a database point-in-time recovery using RMAN， after database restoration， you must ensure that the database is in which of the following states？（）

A.OPEN
B.MOUNT
C.NOMOUNT
D.CLOSE

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单项选择题

Using the command shown here， what time format must you specify to recover the database until a point-in-time？（）
SQL> RECOVER DATABASE UNTIL TIME ’<time format>’；

A.YYYY-DD-MM:HH24:SS:MI
B.YYYY-DD-MM:HH24:SS:MM
C.YYYY-MM-DD:HH24:MI:SS
D.YYYY-DD-MM:SS:MI:HH24

单项选择题

Which of the following statements is NOT true about RMAN？（）

A.It improves usability by enabling you to reuse the scripts to perform recovery operations.
B.It detects block corruption while restoration and recovery operations.
C.It enables you to perform block media recovery.
D.It is capable to recover through unrecoverable operations， with only full database backups.

单项选择题

Which of the following would you use to enable automatic media recovery for a database？（）

A.SET AUTORECOVERY ON
B.SET RECOVERY ON
C.SET AUTO ON
D.You cannot enable automatic media recovery.