1. Database Reference
  2. Dynamic Performance Views
  3. Dynamic Performance (V$) Views: V$ACCESS to V$HVMASTER_INFO
  4. V$BACKUP_DEVICE

7.98 V$BACKUP_DEVICE

V$BACKUP_DEVICE displays information about supported backup devices.

If a device type does not support named devices, then one row with the device type and a null device name is returned for that device type. If a device type supports named devices then one row is returned for each available device of that type. The special device type DISK is not returned by this view because it is always available.

Column Datatype Description

DEVICE_TYPE

VARCHAR2(17)

Type of the backup device

DEVICE_NAME

VARCHAR2(513)

Name of the backup device

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data