185.A shoot-out has erupted between your MS development teams using .NET and your Linux
development teams using Java. Knowing that your database is in danger, which command would you use
to back up your NOARCHIVELOG mode database using RMAN with compression?
A. backup database all
B. backup compressed database
C. backup as compressed backupset database;
D. backup as compressed backup database plus archivelog all;
E. backup as compressed backupset database plus compress archivelog all;
Answer: C
这里我有点疑惑,就是直接在数据库OPEN时执行backup database是会出错的,如下图:
查询了一下,NOARCHIVELOG MODE需要在MOUNT状态下执行backup database命令:
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