多选题Which three statements correctly describe the features of the I/O calibration process?()AOnly one I/O calibration process can run at a timeBIt automates the resource allocation for the Automated Maintenance TasksCIt improves the performance of the performance-critical sessions while runningDIt can be used to estimate the maximum number of I/Os and maximum latency time for the systemEThe latency time is computed only when the TIMED_STATISTICS initialization parameter is set to TRUE
多选题
Which three statements correctly describe the features of the I/O calibration process?()
A
Only one I/O calibration process can run at a time
B
It automates the resource allocation for the Automated Maintenance Tasks
C
It improves the performance of the performance-critical sessions while running
D
It can be used to estimate the maximum number of I/Os and maximum latency time for the system
E
The latency time is computed only when the TIMED_STATISTICS initialization parameter is set to TRUE
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