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 POOL operand of the Recovery Manager BACKUP command. | 
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 indicates normal copies. S indicated standby copies. | 
KEEP | 
VARCHAR2(3) | 
(YES|NO) Indicates whether or not this backup set has a retention policy that is different than the value for the configure retention policy | 
KEEP_UNTIL | 
DATE | 
If specified, this is the date after which the backup becomes obsolete. If this column is null, then the backup never expires. | 
KEEP_OPTIONS | 
VARCHAR2(10) | 
Additional retention options for this backup set:
 | 
OUTPUT_BYTES_DISPLAY | 
VARCHAR2(4000) | 
Size of backup set to display |