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?References: http://docs.oracle.com/cd/E24628_01/server.121/e17635/tdppt_degrade.htm
Question:
Which method or feature should you use?
Options:
Database Replay
Automatic Database Diagnostic Monitor (ADDM) Compare Period report
Active Session History (ASH) report
SQL Performance Analyzer
Correct Answer
The Correct Answer for this Question is
Automatic Database Diagnostic Monitor (ADDM) Compare Period report
