What is Validation Rules?

Validation rules are constraints or checks applied to data to ensure its accuracy, consistency, and integrity. They are commonly used to prevent invalid data from being entered into a system, database, or application, reducing errors and improving data quality. Validation rules can be implemented in various forms, such as data type checks, range checks, format checks, uniqueness checks, and custom business logic validations. They are essential for maintaining reliable and trustworthy data.