RC_BACKUP_DATAFILE

5.13 RC_BACKUP_DATAFILE_SUMMARY

RC_BACKUP_DATAFILE_SUMMARY provides summary information about available backups of data files.

This view is primarily intended to be used internally by Enterprise Manager.

Column	Data Type	Description
`DB_KEY`	`NUMBER`	The primary key for this database in the recovery catalog. Use this column to join with almost any other catalog view.
`DB_NAME`	`VARCHAR2(8)`	The `DB_NAME` of the database incarnation to which this record belongs.
`NUM_FILES_BACKED`	`NUMBER`	Number of data files backed up for this value of `DB_KEY` and `DB_NAME`.
`NUM_DISTINCT_FILES_BACKED`	`NUMBER`	Number of distinct files backed up for this value of `DB_KEY` and `DB_NAME`.
`NUM_DISTINCT_TS_BACKED`	`NUMBER`	Number of distinct tablespaces backed up for this value of `DB_KEY` and `DB_NAME`.
`MIN_CHECKPOINT_CHANGE#`	`NUMBER`	Minimum checkpoint of any data file backed up for this value of `DB_KEY` and `DB_NAME`.
`MAX_CHECKPOINT_CHANGE#`	`NUMBER`	Maximum checkpoint change number of any data file backed up for this value of `DB_KEY` and `DB_NAME`.
`MIN_CHECKPOINT_TIME`	`DATE`	Minimum checkpoint time for any data file backed up for this value of `DB_KEY` and `DB_NAME`.
`MAX_CHECKPOINT_TIME`	`DATE`	Maximum checkpoint time for any data file backed up for this value of `DB_KEY` and `DB_NAME`.
`INPUT_BYTES`	`NUMBER`	Total input bytes read for all files backed up for this value of `DB_KEY` and `DB_NAME`.
`OUTPUT_BYTES`	`NUMBER`	Sum of sizes of all output pieces generated by backups for this value of `DB_KEY` and `DB_NAME`.
`COMPRESSION_RATIO`	`NUMBER`	Compression ratio across all backups.
`INPUT_BYTES_DISPLAY`	`VARCHAR2(32K)`	Same value as `INPUT_BYTES`, but converted to a user-displayable format, for example, 798.01M or 5.25G.
`OUTPUT_BYTES_DISPLAY`	`VARCHAR2(32K)`	Same value as `OUTPUT_BYTES`, but converted to a user-displayable format, for example, 798.01M or 5.25G.