OCP-1Z0-053-V12.02-12题
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12.You performed the RMAN database backup having a backupset key number 231 with the KEEP
FOREVER option.
After some days, you want to change the status of the database backup and you issued the following
command:
RMAN>CHANGE BACKUPSET 231 NOKEEP;
What is the implication of this command?
A. The backup is deleted.
B. The backup is marked unavailable.
C. The backup overrides the backup retention policy.
D. the backup becomes eligible for deletion according to the existing retention policy
Answer: D
答案解析:
参考:http://docs.oracle.com/cd/E11882_01/backup.112/e10643/rcmsubcl011.htm#RCMRF90453
你执行RMAN数据库备份带一个键号231的、永远保持选项的备份集。过了些日子,你要更改的数据库备份的状态,并发出以下命令:
RMAN>CHANGE BACKUPSET 231 NOKEEP;
D,备份变为适合根据已有的保持策略来进行删除
NOKEEP
Specifies that any KEEP
attributes no longer apply to the backup. Thus, the backup is a normal backup that is subject to the configured backup retention policy. This is the default behavior if no KEEP
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