Event raised by an application - Oracle DBA

Q.  What kind of an event  is raised when the Scheduler reacts to the event by starting a job and you can even create a schedule that references an event instead of containing date, time, and recurrence information?
- Published on 03 Aug 15

a. Event raised by the scheduler
b. Event raised by an application
c. Both A & B
d. None of the above

ANSWER: Event raised by an application
 

    Discussion

  • Nirja Shah   -Posted on 25 Aug 15
    -An event is a message sent by one application or system process to another to indicate that some action or occurrence has been detected.
    -An event is raised (sent) by one application or process, and consumed (received) by one or more applications or processes.

    -There are two kinds of events in the Scheduler:

    1.Events raised by the Scheduler - The Scheduler can raise an event to indicate state changes that occur within the Scheduler itself.
    -For example, the Scheduler can raise an event when a job starts, when a job completes, when a job exceeds its allotted run time, and so on.
    -The consumer of the event is an application that takes some action in response to the event.

    2. Events raised by an application - An application can raise an event to be consumed by the Scheduler.
    -The Scheduler reacts to the event by starting a job. You can create a schedule that references an event instead of containing date, time, and recurrence information.
    -If a job is given such a schedule (an event schedule), the job runs when the event is raised.

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