Below SQL statement will create a trigger in the student database in which whenever subjects marks are entered, before inserting this data into the database, the trigger will compute those two values and insert them with the entered values. Triggers in SQL Server The trigger is a database object similar to a stored procedure that is executed automatically when an event occurs in a database. There are different kinds of events that can activate a trigger like inserting or deleting rows in a table, a user logging into a database server instance, an update to a table column, a table is created, altered, or dropped, etc. For example, consider a scenario where the salary of an employee in the Employee table is updated. You might ... SQL Server triggers are special stored procedures that are executed automatically in response to the database object, database, and server events. A trigger in SQL is a procedural code that is automatically executed in response to certain events on a specified table. It is important to understand how these small codes make such a huge difference in database performance. In this article, you will learn how to implement triggers along with examples.
