Which of the following can be addressed by enforcing a referential integrity constraint?

A. All phone numbers must include the area code

Question #1182 of 749+ in Database Management System

📝 Question #1182

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All Options & Correct Answer

A All phone numbers must include the area code Correct

B Certain fields are required (such as the email address, or phone number) before the record is accepted

C Information on the customer must be known before anything can be sold to that customer

D Then entering an order quantity, the user must input a number and not some text (i.e., 12 rather than ‘a dozen’)

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