Oracle 19c-Automatically Deleting Flashback Logs
- Oracle Database Release 19c New Features.
- The COMPATIBLE initialization parameter must be set to 19.0.0 or higher for flashback logs to be automatically deleted.
- Fast recovery area management and database health are improved by automatically deleting flashback logs that are beyond the retention period.
- The fast recovery area is critical for databases because it stores backups, online redo logs, archived redo logs, and flashback logs.
- Because many databases can all use the fast recovery area, multiple databases are impacted when the fast recovery area becomes full.
- This feature makes flashback space usage become predictable from a storage management perspective, since flashback uses no more space than is required by retention.
- It also allows you to control cumulative space pressure by adjusting the flashback retention.
Note:You cannot back up flashback logs. Thus, the BACKUP RECOVERY AREA operation does not include the flashback logs when backing up the fast recovery area contents to tape.
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