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You notice performance degradation in your production Oracle 12c database. You want to know what caused this performance difference.
Which method or feature should you use? 1Z0-067 pdf
A. Database Replay
B. Automatic Database Diagnostic Monitor (ADDM) Compare Period report
C. Active Session History (ASH) report
D. SQL Performance Analyzer
Correct Answer: B
Which two are prerequisites for setting up Flashback Data Archive?