问题

You&ensp;performed&ensp;the&ensp;RMAN

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.

参考答案

参考解析：

分类：1Z0-053题库

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