Undo Management & Flashback Technology Quiz Home › Oracle DBA › Undo Management & Flashback Technology ↩️ Oracle Database Administration – Undo Management & Flashback Technology 20 questions · 15 min timer · Explanations included · Free 1. What is the effect of enabling Flashback Database on Oracle's performance? It reduces the need for redo logs. It significantly improves query performance. It has no impact on performance. It may introduce a performance overhead due to additional logging. None Show Hint Enabling Flashback Database can introduce a performance overhead as it requires additional logging to maintain the flashback logs necessary for recovery operations. 2. What is the impact of setting the UNDO_RETENTION parameter to a value longer than the undo tablespace can support? It will cause the database to crash. It will result in 'snapshot too old' errors. It will have no impact as Oracle automatically adjusts retention. It will automatically increase the size of the undo tablespace. None Show Hint If UNDO_RETENTION is set longer than the undo tablespace can support, it can lead to 'snapshot too old' errors as older undo data may be overwritten before it is no longer needed. Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Loading questions... Click Submit to see your final score! Previous Start Quiz Next Time's up
