Data Validation

The automated or manual process of ensuring that data entered into a system meets specific quality criteria, constraints, or predefined rules before it is processed, stored, or used in an application, or to train AI models to prevent errors and maintain data integrity.

Common examples of data validation include checking that an email address contains an @ symbol, ensuring a password meets requirements, or verifying that a date falls within a valid range.

Data validation stops bad data at the front door, enabling organizations to maintain database integrity and access to reliable analytics.