多选题What methods are available to recover lost control files?()ABackup control file.BEmergency control file.CThe create controlfile command.DThe restore controlfile SQL*Plus command.ENo backup is required. The database will re-create the control file when it is discovered to be lost.

多选题
What methods are available to recover lost control files?()
A

Backup control file.

B

Emergency control file.

C

The create controlfile command.

D

The restore controlfile SQL*Plus command.

E

No backup is required. The database will re-create the control file when it is discovered to be lost.


参考解析

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单选题In your database, online redo log files are multiplexed and one of the members in a group is lost due to media failure? How would you recover the lost redo log member?()A import the database from the last exportB restore all the members in the group from the last backupC drop the lost member from the database and then add a new member to the groupD restore all the database files from the backup and then perform a complete recoveryE restore all the database files from the backup and then perform an incomplete recovery

单选题If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT, what RMAN command would you run to correct the problem?()A recover lost blocksB recover corrupt blocksC recover media corrupt blocks from listD recover corrupt blocks from listE recover corruption list

多选题What methods are available to recover lost control files?()ABackup control file.BEmergency control file.CThe create controlfile command.DThe restore controlfile SQL*Plus command.ENo backup is required. The database will re-create the control file when it is discovered to be lost.

多选题Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you.  Which two statements are true in this scenario?()AThe instance aborts.BThe database cannot be recovered.CThe database can be recovered by restoring the control files from the backup.DThe database remains opened and you have to shut it down with the ABORT option.EThe database can be restored till the point of the last closed whole database backup.

问答题What 2 methods are available for overcoming the BGP full mesh requirement?

单选题When you are performing media recover, and an archived log is lost or corrupt, which type of recover must you perform?()AUntil SCNBUntil timeCUntil cancelDRecover using backup control file.