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

Answer options:

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.

BD