| SESSION_KEY | NUMBER | Session identifier | 
| SESSION_RECID | NUMBER | Session recid | 
| SESSION_STAMP | NUMBER | Session stamp | 
| COPY_KEY | NUMBER | Copy identifier | 
| FILE# | NUMBER | Absolute datafile number, or 0 if this is a control file backup | 
| HANDLE | VARCHAR2(513) | Proxy copy handle identifies the copy for restore | 
| MEDIA | VARCHAR2(65) | Name of the media on which the copy resides. This value is informational only. It is not needed for restore. | 
| MEDIA_POOL | NUMBER | Media pool in which the copy resides. This is the same value that was entered in the POOLoperand of the Recovery ManagerBACKUPcommand. | 
| TAG | VARCHAR2(32) | Proxy copy tag | 
| CREATION_CHANGE# | NUMBER | Datafile creation change number | 
| CREATION_TIME | DATE | Datafile creation timestamp | 
| CHECKPOINT_CHANGE# | NUMBER | Checkpoint change number of the datafile when the copy was made | 
| CHECKPOINT_TIME | DATE | Checkpoint timestamp of the datafile when the copy was made | 
| OUTPUT_BYTES | NUMBER | Total output bytes written | 
| COMPLETION_TIME | DATE | Completion time | 
| CONTROLFILE_TYPE | VARCHAR2(1) | Type of control file: 
B- Normal control file
S- Standby control file
 | 
| KEEP | VARCHAR2(3) | Indicates whether this backup set has a retention policy that is different than the value for the configure retention policy ( YES) or not (NO) | 
| KEEP_UNTIL | DATE | If specified, then this is the date after which the backup becomes obsolete. If this column is NULL, then the backup never expires. | 
| KEEP_OPTIONS | VARCHAR2(11) | Additional retention options for this backup set: 
LOGS- Indicates a long-term backup made with theLOGSkeyword, which is now deprecated
BACKUP_LOGS- Indicates that the backup was made in open mode, so archived log backups must be applied to make it consistent
NOLOGS- Indicates a consistent backup made when the database was mounted.
NULL - Indicates that this backup has no KEEPoptions and becomes obsolete based on the retention policy | 
| OUTPUT_BYTES_DISPLAY | VARCHAR2(4000) | Displayable format for output bytes |