Undo Management & Flashback Technology Quiz

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↩️ Oracle Database Administration – Undo Management & Flashback Technology

20 questions · 15 min timer · Explanations included · Free

What is the effect of enabling Flashback Database on Oracle's performance?

It has no impact on performance.

It significantly improves query performance.

It reduces the need for redo logs.

It may introduce a performance overhead due to additional logging.

None

Enabling Flashback Database can introduce a performance overhead as it requires additional logging to maintain the flashback logs necessary for recovery operations.

Which Oracle feature allows you to view past data without restoring from a backup?

RMAN

LogMiner

Flashback Query

Data Guard

None

Flashback Query enables users to query a table as it existed at a previous point in time, using the AS OF clause, without needing to restore from a backup.

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