V$BACKUP_ARCHIVELOG_SUMMARY

V$BACKUP_ARCHIVELOG_SUMMARY provides archive log summary information based on archive logs in the backup set or on proxy copies.

Column Datatype Description
NUM_FILES_BACKED NUMBER Number of files backed up
NUM_DISTINCT_FILES_BACKED NUMBER Number of distinct archive log files backed up
MIN_FIRST_CHANGE# NUMBER Lowest SCN range value
MAX_NEXT_CHANGE# NUMBER Highest SCN range value
MIN_FIRST_TIME DATE Lowest SCN range time
MAX_NEXT_TIME DATE Highest SCN range time
INPUT_BYTES NUMBER Total input bytes read
OUTPUT_BYTES NUMBER Output size of backups
COMPRESSION_RATIO NUMBER The ratio between the total blocks in the datafile and the blocks that RMAN backed up. This is not the the ratio from the AS COMPRESSED BACKUPSET clause of the BACKUP command.
INPUT_BYTES_DISPLAY VARCHAR2(4000) Displayable format for input bytes
OUTPUT_BYTES_DISPLAY VARCHAR2(4000) Displayable format for output bytes