Define triggers. Give its applications.

Question

Accepted Answer

Triggers are events that initiate an action or set of actions. They are commonly used in databases and automation systems.

Triggers are used in databases to automatically execute a set of actions when a certain event occurs, such as inserting or updating data.
They can also be used in automation systems to initiate a process or workflow when a specific event occurs, such as receiving an email or a file upload.
Triggers can be programmed to perform a variety of actions, such as sending notifications, updating records, or executing scripts.
Examples of trigger applications include sending an email notification when a new user is added to a system, updating inventory levels when a product is sold, or initiating a backup process when a file is modified.

Accepted Answer

A database trigger is special stored procedure that is run when specific actions occur within a database. Triggers are used to maintain the referential integrity of data by changing the data in a systematic fashion. Each trigger is attached to a single, specified table in the database. Triggers can be viewed as similar to stored procedures in that both consist of procedural logic that is stored at the database level.

Define triggers. Give its applications.

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