obsOperandList subclause used to specify which criteria are used to mark backups as obsolete.
RECOVERY WINDOW and
REDUNDANCY in a single
REPORT OBSOLETE or
DELETE OBSOLETE command is not supported.
Reports as obsolete those backup sets and image copies that are not needed to recover the database to any point within the last
Specifies the minimum level of redundancy considered necessary for a backup set or image copy to be obsolete.
A data file copy is obsolete if there are at least
Example 4-33 Deleting Obsolete Backups
The following command deletes all backups and copies not needed to recover the database to an SCN within the last 30 days:
DELETE OBSOLETE RECOVERY WINDOW OF 30 DAYS;