What is the operation when trigger is not executing?

What is the operation when trigger is not executing?

An enabled trigger executes its trigger action if a triggering statement is issued and the trigger restriction (if any) evaluates to TRUE. A disabled trigger does not execute its trigger action, even if a triggering statement is issued and the trigger restriction (if any) would evaluate to TRUE.

What is the difference between views stored procedures and triggers?

Stored procedures are a pieces of the code in written in PL/SQL to do some specific task. Stored procedures can be invoked explicitly by the user. On the other hand, trigger is a stored procedure that runs automatically when various events happen (eg update, insert, delete).

What is the difference between procedure and trigger?

Trigger and Procedure both perform a specified task on their execution. The fundamental difference between Trigger and Procedure is that the Trigger executes automatically on occurrences of an event whereas, the Procedure is executed when it is explicitly invoked.

Can you fire a procedure from a trigger?

Yes you can fire a procedure from a Trigger. But, keep in mind that trigger & procedur e should not acess the same table. Yes you can. Just keep in mind that a trigger can fire for every row affected with a DML trigger. So your stored procedure should be optimized or you could will run into performance issues.

How is a trigger procedure defined in PL / pgSQL?

PL/pgSQL can be used to define trigger procedures. A trigger procedure is created with the CREATE FUNCTION command, declaring it as a function with no arguments and a return type of trigger.

Is it possible to execute a stored procedure inside a trigger?

Is it possible to execute a stored procedure inside a trigger? Yes you can fire a procedure from a Trigger. But, keep in mind that trigger & procedur e should not acess the same table. Yes you can. Just keep in mind that a trigger can fire for every row affected with a DML trigger.

What are the arguments in the create trigger statement?

Data type integer; the number of arguments given to the trigger procedure in the CREATE TRIGGER statement. Data type array of text; the arguments from the CREATE TRIGGER statement. The index counts from 0. Invalid indexes (less than 0 or greater than or equal to tg_nargs) result in a null value.