You are working on a test database where instance recovery takes a considerable amount of time.How can reduce the recovery time？（）A、By multiplexing the control filesB、By multiplexing the redo log filesC、By decreasing the size of redo log filesD、By configuring mean time to recover （MTTR） to a lower valueE、By setting the UNDO_RETENTION parameter to a higher value
You are working on a test database where instance recovery takes a considerable amount of time.How can reduce the recovery time？（）
- A、By multiplexing the control files
- B、By multiplexing the redo log files
- C、By decreasing the size of redo log files
- D、By configuring mean time to recover （MTTR） to a lower value
- E、By setting the UNDO_RETENTION parameter to a higher value
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