You define the Warning threshold for the tablespace usage metric for the USERS tablespace
to be 35%. Because of this, several alerts are being raised. After observing this, you decide
to increase the Warning threshold and clear all old alerts related to tablespace usage metric.
Where would you find the information about cleared alerts?
A.
the alert.log file
B.
the V$ACTIVE_SESSION_HISTORY data dictionary table
C.
the DBA_ALERT_HISTORY data dictionary table
D.
the DBA_ALERT_ARGUMENTS data dictionary table
E.
the DBA_OUTSTANDING_ALERTS data dictionary table
F.
the DBA_TAB_STATS_HISTORY data dictionary table