Oracle OCP 19c 認證1Z0-083考試題庫(第13題)-CUUG內部學員版083題庫解析
13、choose the best answer
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?
A. Database Replay
B. Automatic Database Diagnostic Monitor (ADDM) Compare Period report
C. Active Session History (ASH) report
D. SQL Performance Analyzer