User talk:Thiyagu12345

Trigger:

Trigger is an database object which fires automatically when an event occurs.

Procedure: - A procedure is a block of PL/SQL code stored within a Database.

Function: -

A function is a block of pl/sql code stored within a database.A function always return a single value to its caller.

Package: ---

A package is a collection of procedures and functions stored within a database.