Software QA Testing Question:

Data integrity is one of the six fundamental components of information security. Data integrity is the completeness, soundness, and wholeness of the data that also complies with the intention of the creators of the data.
In databases, important data - including customer information, order database, and pricing tables - may be stored. In databases, data integrity is achieved by preventing accidental, or deliberate, or unauthorized insertion, or modification, or destruction of data.