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’);
A.
when the average elapsed time per call for the ERP service over a 45-minute period exceeds 0.5 seconds
B.
when the average elapsed time per call for the ERP service over a 45-minute period exceeds 0.75 seconds
C.
when the average elapsed time per call for the ERP service over a 15-minute period exceeds 0.5 seconds three consecutive times
D.
when the average elapsed time per call for the ERP service over a 15-minute period exceeds 0.75 seconds three consecutive times