Which of the Following Is a Rule of Referential Integrity

question 19

Multiple Choice

Which of the following is a rule of referential integrity? ​

• A)A record can be added to a related table even if a matching record exists in the primary table.
• B)The value of the primary key in the primary table cannot be changed if matching records exist in a related table.
• C)A record in the primary table can be deleted if matching records exist in the related table.
• D)The Cascade Delete Related Records option cannot be used to delete records in the primary table as well as in a related table.

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