You started a long transaction before committing; you executed a query on one of the tables currently being modified. You received the following error: ORA- 01555: snapshot too old. How would you prevent such an error in future? (Choose three)

technology databases

  1. Guarantee undo retention

  2. Add one more redo log group.

  3. Configure an appropriate undo retention interval.

  4. Size the UNDO tablespace appropriately.

  5. Size the SYSTEM tablespace appropriately.

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Correct Option: A,C,D

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