Trigger is a

Options
- Statement that enables to start any DBMS
- Statement that is executed by the user when debugging an application program
- Condition the system tests for the validity of the database user.
- Statement that is executed automatically by the system as a side effect of a modification to the database.

CORRECT ANSWER : Statement that is executed automatically by the system as a side effect of a modification to the database.

Discussion Board
Explanation.

Answer : Statement that is executed automatically by the system as a side effect of a modification to the database.

A database trigger is procedural code that is automatically executed in response to certain events on a particular table or view in a database.
The trigger is mostly used for maintaining the integrity of the information on the database.
Triggers are stored programs, which are automatically executed or fired when some events occur.


Jayesh Sonar 03-3-2015 12:53 AM

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