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RMAN is configured to create backupset backups for your database. You issue the command to back up the
database:
RMAN> BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT;
Which two statements are true about the backup performed by the command?

A.
Only the used blocks in the data files are backed up.

B.
It backs up all the data files and deletes obsolete backups after the backup is complete.

C.
It backs up only those archived log files that are not backed up at least once.

D.
It backs up all the archived log files and deletes the ones that were just backed up.

E.
It backs up all archived redo log files and online log files and deletes the archived log files after the backup
is complete.

Explanation:

You can use BACKUP … DELETE to back up archived redo logs, data file copies, or backup sets and then delete the input files after successfully backing them up.
The BACKUP ARCHIVELOG … DELETE INPUT command deletes archived log files after they are backed up.
This command eliminates the separate step of manually deleting archived redo logs.
References: Oracle Database, Backup and Recovery User’s Guide, 12 Release 2 (January 2017), page 9-31

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