V$BACKUP_SPFILE_SUMMARY

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