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Oracle® Database Reference
11g Release 1 (11.1)
Part Number B28320-01
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V$BACKUP_CONTROLFILE_SUMMARY

V$BACKUP_CONTROLFILE_SUMMARY provides control file summary information, based on either a backup set of files, image copies, or proxy copies.

Column Datatype Description
NUM_FILES_BACKED NUMBER Number of files backed up for specific criteria
NUM_DISTINCT_FILES_BACKED NUMBER Number of distinct files backed up
MIN_CHECKPOINT_CHANGE# NUMBER Minimum checkpoint change number of the datafile for specified criteria
MAX_CHECKPOINT_CHANGE# NUMBER Maximum checkpoint change number of the datafile for specified criteria
MIN_CHECKPOINT_TIME DATE Minimum checkpoint time of the datafile for specified criteria
MAX_CHECKPOINT_TIME DATE Maximum checkpoint time of the datafile for specified criteria
INPUT_BYTES NUMBER Total input bytes of files read
OUTPUT_BYTES NUMBER Total output bytes written
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

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