MariaDB Create Trigger

MariaDB’s CREATE TRIGGER statement is a powerful tool in database management that allows us to define custom actions that are automatically performed when certain events occur in a table. This feature enables us to implement complex business logic and ensure data integrity rules within our database.

It is also used to replace a trigger with a trigger name which will be associated with a table whose name must be provided after the ON keyword. The INSERT, UPDATE or DELETE keywords are used to specify the event on which the trigger must get executed.

MariaDB Create Triggers

Triggers are a very useful and powerful feature of MariaDB. It is a database object associated with a table that activates if an INSERT, UPDATE or DELETE operations are performed. The name itself reflects their action as they run immediately without any human intervention when the respective operations are performed.

In this article, you will learn about how to create triggers and use them easily so that we can automate complex tasks and perform data management easily.

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MariaDB Create Trigger

MariaDB’s CREATE TRIGGER statement is a powerful tool in database management that allows us to define custom actions that are automatically performed when certain events occur in a table. This feature enables us to implement complex business logic and ensure data integrity rules within our database....

How to Write Triggers in MariaDB?

Triggers in MariaDB are database objects that automatically perform an action when a specified event occurs. In MariaDB, the Triggers are created with the help of CREATE OR REPLACE TRIGGER Statement....

Example of CREATE TRIGGER Statement

To understand How to Delete a Trigger in MariaDB we need tables on which we will perform various operations and queries. Here we will consider a table called products and inventory_log where the products table contains id, name, price, stock and created_at as Columns. Also The inventory_log table contains id, product_id, action, quantity and timestamp as Columns....

Conclusion

Triggers are a powerful mechanism to automate data management tasks that ensures data integrity and perform complex operations. By reading through the article you understand how to create triggers and how it can be used to automate data management tasks. It is important for you to clearly understand the triggers and its usages because irresponsible use can lead to performance issues or some lead to unwanted data loss or modification....

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