7.88 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 data file for specified criteria
MAX_CHECKPOINT_CHANGE#	NUMBER	Maximum checkpoint change number of the data file for specified criteria
MIN_CHECKPOINT_TIME	DATE	Minimum checkpoint time of the data file for specified criteria
MAX_CHECKPOINT_TIME	DATE	Maximum checkpoint time of the data file for specified criteria
INPUT_BYTES	NUMBER	Total input bytes of files read
OUTPUT_BYTES	NUMBER	Total output bytes written
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
CON_ID	NUMBER	The ID of the container to which the data pertains. Possible values include: 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. 1: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data