You notice a performance change in your production Oracle 12c database and you want to know what change caused this performance difference. You generate the compare period Automatic Database Diagnostic Monitor (ADDM) report to further investigation.
Which three findings would you get from the report?
A. It shows the resource usage for CPU, memory, and I/O in both time periods.
B. It identifies any workload change that caused a performance difference in both time periods
C. It detects any configuration change that caused a performance difference in both time periods.
D. It gives information about statistics collection in both time periods.
E. It detects the top wait events causing performance degradation.
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