What would you recommend to accomplish the task?

You are managing an online transaction processing (OLTP) application database. Some users on
the system are reporting degradation in the performance of SQL statements. To diagnose the
problem, you want to identify the SQL statements that are expensive on system resources.What
would you recommend to accomplish the task? (Choose all that apply.)

A.
running SQL Access Advisor

B.
running SQL Performance Analyzer

C.
querying the V$SQLSTATS and V$SQL_PLAN views to get the information

D.
creating an Automatic Workload Repository (AWR) report for the problematic period