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

Question #1101 of 749+ in Database Management System

📝 Question #1101

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

⌨️ Press A B C D to select
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All Options & Correct Answer

A All phone numbers must include the area code
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 Correct
D When entering an order quantity, the user must input a number and not some text (i.e., 12 rather than ‘a dozen’)

📋 Question Details

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Subject
Database Management System
🎯
Difficulty
Medium
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Year
—
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Source
Sanfoundry

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