Which of the following best describes the effect of enforcing referential integrity on deletes?
A) You cannot enter data into a foreign key table unless it is related to an existing record in the primary key table
B) You cannot remove a record from the primary key table if it has related records in the foreign key table
C) You cannot change a primary key that has related records in a foreign key table
D) All of the above
B
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A. revenue bonds B. tax-exempt bonds C. requests for proposals D. public service announcements
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