多选题You are working on a test database where instance recovery takes a considerable amount of time.How can reduce the recovery time？（）ABy multiplexing the control filesBBy multiplexing the redo log filesCBy decreasing the size of redo log filesDBy configur
题目
多选题
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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参考答案和解析
正确答案：
D,A
解析：
暂无解析