Create triggers on system events
System events are particular database states that can be used to fire a system trigger. Is possibile to create triggers for these events at DATABASE or SCHEMA level. When a triggering event occurs, the database will open an autonomous transaction scope, fire the trigger and commit any transaction imbedded in the trigger. The available system events are: AFTER STARTUP Causes the DataBase to fire the trigger whenever the database is opened. This event is valid only with DATABASE, not with SCHEMA BEFORE SHUTDOWN Causes the DataBase to fire the trigger whenever an instance of the...