Which is a capability that Active Session History (ASH)…

Which is a capability that Active Session History (ASH) reports enable you to perform?

A.
Compare database performance between two periods of time, and resolve performance
degradation thatmay happen from one time period to another.

B.
Analyze transient performance problems with the database that are short-lived and do not appear in theADDM analysis.

C.
Optimize the performance of data access paths by creating the proper set of materialized
views,materialized view logs, and indexes for a given workload.

D.
Analyze transient performance problems that have happened in the database since it has been started