Topic 17424 min readStructured Tutorial
SQL AFTER Triggers - Complete Beginner Tutorial
Quick Answer
An SQL AFTER trigger is a type of trigger that executes automatically after a specified data modification event (INSERT, UPDATE, DELETE) occurs on a table. It is used to enforce business rules, audit changes, or maintain related data after the original operation completes successfully.
Learning Objectives
- Understand what AFTER triggers are and when they execute.
- Learn how to create and use AFTER INSERT, UPDATE, and DELETE triggers.
- Apply AFTER triggers to automate database tasks and enforce data integrity.
Introduction
SQL triggers are special procedures that automatically execute in response to certain events on a table or view.
AFTER triggers specifically run after the data modification operation has been completed successfully.
They help automate tasks such as logging changes, enforcing rules, or updating related data.
