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Oracle® Database Reference
11g Release 2 (11.2)

Part Number E17110-04
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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 SCH range time
INPUT_BYTES NUMBER Total input bytes read
OUTPUT_BYTES NUMBER Output size of backups
COMPRESSION_RATIO NUMBER Compression ratio
INPUT_BYTES_DISPLAY VARCHAR2(4000) Displayable format for input bytes
OUTPUT_BYTES_DISPLAY VARCHAR2(4000) Displayable format for output bytes