Q17. Which two statements are true about the configuration and use of UNDO_RETENTION with no GUATANTEED RETENTION?

Q17. Which two statements are true about the configuration and use of UNDO_RETENTION with no GUATANTEED RETENTION?

  • A) UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unexpired UNDO.
  • B) UNDO_RETENTION specifies how long all types of UNDO are retained.
  • C) Unexpired UNDO is always retained.
  • D) Active UNDO is always retained.
  • E) UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.
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