Which two are true about the Automatic Database Diagnostic Monitor (ADDM)? (Choose two.)

• A.?It analyzes a period of time corresponding to the 12 hours of activity.
• B.?It runs automatically after each AWR snapshot.
• C.?A DBA can run it manually.
• D.?Results are written to the alert log.
• E.?It analyzes a period of time corresponding to the last day of activity.

Answer:?bc

An ADDM analysis task is performed and its findings and recommendations stored in the database every time an AWR snapshot is taken provided the STATISTICS_LEVEL parameter is set to TYPICAL or ALL

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