What Is Oracle Trigger

What is an Oracle trigger. A trigger is a named PL/SQL block stored in the Oracle Database and executed automatically when a triggering event takes place. The event can be any of the following: A data manipulation language (DML

How do Oracle triggers work?

For enabled triggers, Oracle automatically performs the following actions: Oracle runs triggers of each type in a planned firing sequence when more than one trigger is fired by a single SQL statement. First, statement level triggers are fired, and then row level triggers are fired.

What is the purpose of trigger?

A trigger is a special type of stored procedure that automatically runs when an event occurs in the database server. DML triggers run when a user tries to modify data through a data manipulation language (DML) event.