Backup database plus archivelog Delete input;

Backup Database plus Archivelog
The archive log is backed up
Backup database plus archivelog Delete input;
The archive log is backed up and the archive log, datafile copy, and backup set are deleted from the default directory at the end of the backup. Applies to a single archive dest path such as Fra.
Backup database plus archivelog Delete all input;
The archive log is backed up and the archive log, datafile copy, and backup set are removed from all directories after the backup is finished. Applies to complex archive dest paths.

Backup database plus archivelog Delete input;