SQL Triggers | SQL Tutorial for Beginners in 2021| SQL Triggers with Examples | Great Learning
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In this video we discuss SQL Triggers. A SQL trigger is a database object which fires when an event occurs in a database. We can execute a SQL query that will "do something" in a database when a change occurs on a database table such as a record is inserted or updated or deleted. A trigger is a stored procedure in a database that automatically invokes whenever a special event in the database occurs. For example, a trigger can be invoked when a row is inserted into a specified table or when certain table columns are being updated.
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00:00:00 - Start
00:01:20 - Agenda
00:02:01 - Introduction
00:05:13 - Syntax of Trigger
00:06:46 - Before Insert Trigger
00:17:18 - After Insert Trigger
00:28:58 - Before Update Trigger
00:35:47 - After Update Trigger
00:45:00 - Advantages
00:45:58 - Summary
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