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 |