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Question :-

When do you get the first notification after you execute the following command on instance RDBA1? exec DBMS_SERVER_ALERT.SET_THRESHOLD(- METRICS_ID => dbms_server_alert.elapsed_time_per_call, WARNING_OPERATOR => dbms_server_alert.operator_ge, WARNING_VALUE => '500000', CRITICAL_OPERATOR => dbms_server_alert.operator_ge, CRITICAL_VALUE => '750000', OBSERVATION_PERIOD => 15, CONSECUTIVE_OCCURRENCES => 3, INSTANCE_NAME => 'RDBA1', OBJECT_TYPE => dbms_server_alert.object_type_service, OBJECT_NAME => 'ERP');
when the average elapsed time per call for the ERP service over a 45-minute period exceeds 0.5 seconds
when the average elapsed time per call for the ERP service over a 45-minute period exceeds 0.75 seconds
when the average elapsed time per call for the ERP service over a 15-minute period exceeds 0.5 seconds three consecutive times
when the average elapsed time per call for the ERP service over a 15-minute period exceeds 0.75 seconds three consecutive times

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