question_answer

A DVD store maintains a customer database. Each new customer is asked to complete a form by providing his or her contact details, including address, phone numbers and email contact. Each time a customer borrows a DVD, the customer is asked to confirm his or her address details only, and updates are made as needed. Which statement about the quality of this data is true?

A) The data quality is good because the data stored is always up to date.

B) The data quality is good because the data stored is constantly revised.

C) The data quality is poor because much of the data could be out of date and there is no way of checking.

D) The data quality is poor because there are no verification procedures in place to ensure it is accurate.