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.

<上一题目录下一题>

热门试题

单项选择题Whichofthefollowingshutdownoptionsshouldnotbeusedbeforeperformingaconsistentwholedatabasebackup？（）

A.NORMAL
B.TRANSACTIONAL
C.ABORT
D.IMMEDIATE
E.INCONSISTENT

单项选择题WhichofthefollowingcommandscannotusethefunctionalityassosciatedwiththeNLS_DATE_FORMATvariable？（）

A.RESTORE
B.RECOVER
C.REPORT
D.BACKUP

单项选择题WhatisthemaximumnumberofARCnprocessesthatcanbedefinedusingtheinitializationparameterLOG_ARCHIVE_MAX_PROCESSES？（）

A.1
B.5
C.10
D.15
E.Depends on system memory resources

单项选择题Whichbackgroundprocessisresponsibleforwritingthedirtybuffersfromthewritelisttothedatafilesduringacheckpoint？（）

A.CKPT
B.SMON
C.LGWR
D.DBWn
E.ARCn

单项选择题WhichofthefollowingstatementisincorrectregardingRMAN？（）

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）.