考试
2021-02-25 12:23:51

(单选题)What is&#81

题目描述

A A backup set that is missing one or more backup set pieces

B A backup that has exceeded the retention criteria and is no longer needed

C A backup set that does not include archived redo logs

D A backup set that can not be recovered due to corruption

E A backup set superceded by a datafile copy

答案解析

[db:答案解析]

B

加载中...
AI正在思考中,请稍候...