Data Validation

What Does Data Validation Mean?

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.

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Data validation is also known as input validation.

Techopedia Explains Data 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:

  • Code validation
  • Data type validation
  • Data range validation
  • Constraint validation
  • Structured validation
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Margaret Rouse

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.