Which statement is correct about server-generated alerts?
A.
All server-generated alerts are based on threshold levels.
B.
Alerts are not issued for locally managed tablespaces in read-only mode.
C.
The STATISTIC_LEVEL initialization parameter must be set to ALL to enable server-generated
alerts.
D.
Alerts for both locally managed tablespaces and dictionary-managed tablespaces are server
generated.
A is wrong. alerts are threshold based or event occurred
B is right. alerts are not issued if a tablespace is offline or read-only
C is wrong. STATISTICS_LEVEL can be TYPICAL
D is wrong. only locally managed tablespace, alerts are server-generated.