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


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1.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.

2.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.

7.单项选择题Which of the following statement is incorrect regarding RMAN?()

A.It detects corrupt blocks.
B.It performs only offline database backups.
C.It omits empty blocks during backups.
D.It performs tablespace point-in-time recovery (TSPITR).

9.单项选择题Connection Manager features cannot be used with which of the following naming method? ()

A.Oracle names
B.Local Naming
C.Host Naming
D.Names Server

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