Change and delete backup

RMAN> change backup of tablespace users
device type disk
delete;

Ouput of the script execution

released channel: ORA_DISK_1

released channel: ORA_DISK_2

released channel: ORA_DISK_3

released channel: ORA_DISK_4

released channel: ORA_DISK_5

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=20 device type=DISK

allocated channel: ORA_DISK_2

channel ORA_DISK_2: SID=24 device type=DISK

allocated channel: ORA_DISK_3

channel ORA_DISK_3: SID=25 device type=DISK

allocated channel: ORA_DISK_4

channel ORA_DISK_4: SID=58 device type=DISK

allocated channel: ORA_DISK_5

channel ORA_DISK_5: SID=60 device type=DISK



List of Backup Pieces

BP Key  BS Key  Pc# Cp# Status      Device Type Piece Name

------- ------- --- --- ----------- ----------- ----------

223     192     1   1   AVAILABLE   DISK        /SHARED/backup1/9fp8grvh_1_1



Do you really want to delete the above objects (enter YES or NO)?