Database events enable an application or the DBMS Server to notify other applications that a specific event has occurred. An event is any occurrence that your application program is designed to handle.

The following diagram illustrates a typical use of database events: various applications or database procedures raise database events, and the DBMS Server notifies a monitor (receiving) application that is registered to receive the database events. The monitor application responds to the database events by performing the actions the application designer specified when writing the monitor application.

Database events can be raised by any of the following entities: