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
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