Which two statements are true about the configuration and use of UNDO

Oracle 1z0-082 Question Answer

Which two statements are true about the configuration and use of UNDO_RETENTION with GURANTEED RETENTION? (Choose two.)

UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unexpired UNDO.

UNDO_RETENTION specifies how long all types of UNDO are retained.

Unexpired UNDO is always retained.

Active UNDO is always retained.

UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.

1z0-082 PDF/Engine

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Which two statements are true about the configuration and use of UNDO_RETENTION with GURANTEED RETENTION?