Question

Which two are true about flashback features in Oracle Database 19c and later releases?
A. Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_flashback_retention_TARGET only after there is space pressure
B. Flashback logs are monitored and proactively deleted when beyond the retention period defined in db_flashback_retention_target before there is space pressure.
C. Flashback logs are automatically purged whenever the value
Of DB_FLASHBACK_RETENTION_TARGET is changed.
D. Flashback logs are monitored for being older than the retention period defined
in db_flashback_retention_target and can be deleted by an administrator written event trigger.
E. Flashback logs are automatically purged when db_flashback_retention_target is set lower
than the time they have already been retained.

Answer 1

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Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_flashback_retention_TARGET only after there is space pressure

B. Flashback logs are monitored and proactively deleted when beyond the retention period defined in db_flashback_retention_target before there is space pressure.

C. Flashback logs are automatically purged whenever the value

Of DB_FLASHBACK_RETENTION_TARGET is changed.

D. Flashback logs are monitored for being older than the retention period defined

in db_flashback_retention_target and can be deleted by an administrator written event trigger.

E. Flashback logs are automatically purged when db_flashback_retention_target is set lower

than the time they have already been retained.