V$BACKUP_SET

Columns
   ___________________________
 
   CONTROLFILE_INCLUDED
   BLOCK_SIZE
   ELAPSED_SECONDS
   COMPLETION_TIME
   START_TIME
   INCREMENTAL_LEVEL
   BACKUP_TYPE
   SET_COUNT
   SET_STAMP
   STAMP
   RECID
   PIECES

Related Views:

V$ARCHIVE 
V$ARCHIVED_LOG 
V$ARCHIVE_DEST 
V$ARCHIVE_PROCESSES 
V$BACKUP 
V$BACKUP_ASYNC_IO 
V$BACKUP_CORRUPTION 
V$BACKUP_DATAFILE 
V$BACKUP_DEVICE 
V$BACKUP_PIECE 
V$BACKUP_REDOLOG 
V$DELETED_OBJECT 
V$RECOVERY_FILE_STATUS 
V$RECOVERY_LOG 
V$RECOVERY_PROGRESS 
V$RECOVERY_STATUS 
V$RECOVER_FILE