RC_BACKUP_REDOLOG

This view lists information about archived redo logs in backup sets. It corresponds to the V$BACKUP_REDOLOG view.

You cannot back up online logs directly: you must first archive them to disk and then back them up. An archived log backup set contains one or more archived logs.

Column	Datatype	Description
`DB_KEY`	`NUMBER`	The primary key for the target database. Use this column to form a join with almost any other catalog view.
`DBINC_KEY`	`NUMBER`	The primary key for the incarnation of the target database. Use this column to form a join with `RC_DATABASE_INCARNATION`.
`DB_NAME`	`VARCHAR2(8)`	The `DB_NAME` of the database incarnation to which this record belongs.
`BRL_KEY`	`NUMBER`	The primary key of the archived redo log in the recovery catalog. If you issue the `LIST` command while connected to the recovery catalog, this value appears in the `KEY` column of the output.
`RECID`	`NUMBER`	The record identifier propagated from `V$BACKUP_REDOLOG`. `RECID` and `STAMP` form a concatenated primary key that uniquely identifies this record in the target database control file.
`STAMP`	`NUMBER`	The stamp from `V$BACKUP_REDOLOG`. `RECID` and `STAMP` form a concatenated primary key that uniquely identifies this record in the target database control file.
`BS_KEY`	`NUMBER`	The primary key of the backup set to which this record belongs in the recovery catalog. Use this column to form a join with `RC_BACKUP_SET`.
`SET_STAMP`	`NUMBER`	The `SET_STAMP` value from `V$BACKUP_SET`. `SET_STAMP` and `SET_COUNT` form a concatenated key that uniquely identifies the backup set to which this record belongs in the target database control file.
`SET_COUNT`	`NUMBER`	The `SET_COUNT` value from `V$BACKUP_SET`. `SET_STAMP` and `SET_COUNT` form a concatenated key that uniquely identifies the backup set to which this record belongs in the target database control file.
`BACKUP_TYPE`	`VARCHAR2(1)`	The type of the backup: `L` (archived redo log).
`COMPLETION_TIME`	`DATE`	The time when the backup completed.
`THREAD#`	`NUMBER`	The thread number of the redo log.
`SEQUENCE#`	`NUMBER`	The log sequence number.
`RESETLOGS_CHANGE#`	`NUMBER`	The SCN of the most recent `RESETLOGS` when the record was created.
`RESETLOGS_TIME`	`DATE`	The time stamp of the most recent `RESETLOGS` when the record was created.
`FIRST_CHANGE#`	`NUMBER`	The SCN generated when Oracle switched into the redo log.
`FIRST_TIME`	`DATE`	The time when Oracle switched into the redo log.
`NEXT_CHANGE#`	`NUMBER`	The first SCN of the next redo log in the thread.
`NEXT_TIME`	`DATE`	The first time stamp of the next redo log in the thread.
`BLOCKS`	`NUMBER`	The number of operating system blocks written to the backup.
`BLOCK_SIZE`	`NUMBER`	The number of bytes in each block of this redo log.
`STATUS`	`VARCHAR2(1)`	The status of the backup set: `A` (all pieces available), `D` (all pieces deleted), `O` (some pieces are available but others are not, so the backup set is unusable).
`BS_RECID`	`NUMBER`	The `RECID` value from `V$BACKUP_SET`.
`BS_STAMP`	`NUMBER`	The `STAMP` value from `V$BACKUP_SET`. Note that `BS_STAMP` is different from `SET_STAMP`. `BS_STAMP` is the stamp of the backup set record when created in the control file, whereas `SET_STAMP` joins with `SET_COUNT` to make a unique identifier.
`PIECES`	`NUMBER`	The number of pieces in the backup set.