（343）What is the impact of the following backup if it exceeds the duration allowance? (Choose all that apply.)

Backup as compressed backupset duration 2:00 partial minimize load database ;

A. The entire backup will fail. It will not be usable for recovery.

B. The entire backup will fail, but any datafile successfully backed up will be usable for recovery.

C. If this backup fails, subsequent backups will prioritize datafiles not backed up.

D. If this backup fails, an error will be raised and any other commands will not be executed.

E. If this backup fails, no error will be raised and any other commands will be executed.

答案：（B）

解析：

BACKUP命令

DURATION hh:mm, 指定了backup命令运行的最长时间. 如果backup命令在指定的时间内没有完成,则backup命令停止.

如果没有PARTIAL选项,如果在指定的时间内没有完成,则认为该命令失败了,并且RMAN报告一个错误

如果这个backup命令是RUN块的一部分,则后面的命令不被执行.

ITPub博客

Oracle 11G OCP 1Z0-053 343