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Data validation is a process that ensures the delivery of clean and clear data to the programs, applications and services using it. It checks for the integrity and validity of data that is being inputted to different software and its components. Data validation ensures that the data complies with the requirements and quality benchmarks.
Data validation is also known as input validation.
Data validation primarily helps in ensuring that the data sent to connected applications is complete, accurate, secure and consistent. This is achieved through data validation's checks and rules that routinely check for the validity of data. These rules are generally defined in a data dictionary or are implemented through data validation software.
Some of the types of data validation include: