Your organization has purchased licenses for the Diagnostic Pack along with the Oracle Database 11g software.The application workload on your database is known to be stable between 10:00 PM and midnight every night, but the performance on a particular Thursday was poor between 10:00 PM and 11:00 PM.
Which tool would you consider using first to diagnose the cause of the performance degradation?
A.
Database Replay
B.
STATSPACK Report
C.
AWR Compare Report
D.
SQL Performance Analyzer