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  About Validation
Validation is basically done by the testers during the testing. While validating the product if some deviation is found in the actual result from the expected result then a bug is reported or an incident is raised. Not all incidents are bugs. But all bugs are incidents. Incidents can also be of type question where the functionality is not clear to the tester. 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. It is a process associated with the collection and production of intelligence that confirms that an intelligence collection or production requirement is sufficiently important to justify the dedication of intelligence resources, does not duplicate an existing requirement, and has not been previously satisfied.
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