SELECT  DECODE((COUNT(trigger_name)),0,’LOGON trigger missing’,  ‘Number of logon triggers: ‘ || COUNT(trigger_name) ) "INFO" FROM sys.dba_triggers WHERE  TRIGGERING_EVENT LIKE ‘LOGON%’  AND status=’ENABLED’  AND owner=’SYS’ UNION SELECT  DECODE((COUNT(trigger_name)),0,’LOGOFF trigger missing’,”,  ‘Number of logoff triggers:’ || COUNT(trigger_name)) "INFO" FROM sys.dba_triggers WHERE  TRIGGERING_EVENT LIKE ‘LOGOFF%’  AND status=’ENABLED’  AND owner=’SYS’

The field TRIGGERING_EVENT could have the spaces at the end! […]