The ISBN is used to identify and differentiate them from each other.

A mathematical algorithm that is used to validate identification numbers, such as credit card numbers, is called the Luhn .

9. Input validation checks can help prevent and improve data quality.

6. The purpose of a check is to prevent input that is outside of acceptable limits.

1. The process of verifying that input meets certain criteria is known as .

The International Standard Book Number (ISBN) is a unique identifier for books and is typically a 10 or 13 digit number. It is used to identify .

A process used to ensure that data is useful and relevant and meets certain criteria is called .