V$BACKUP_SPFILE_SUMMARY provides summary information for input SP file, based on either a backup job or time range applicable to jobs.
| Column | Datatype | Description | 
|---|---|---|
| NUM_FILES_BACKED | NUMBER | Number of files backed up | 
| NUM_DISTINCT_FILES_BACKED | NUMBER | Number of distinct SP files backed up (with modification timestamp) | 
| MIN_MODIFICATION_TIME | DATE | Minimum modification time | 
| MAX_MODIFICATION_TIME | DATE | Maximum modification time | 
| INPUT_BYTES | NUMBER | Total input bytes for all SP files backed up | 
| INPUT_BYTES_DISPLAY | VARCHAR2(4000) | Displayable format for all input bytes |