Which of the following is not prevented by enforcing referential integrity on a one-to-many relationship? a. Incorrect
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Which of the following is not prevented by enforcing referential integrity on a one-to-many relationship?
a. Incorrect entry into a primary key field value
b. Entry into a foreign key field that doesn’t have a match in the table that contains the primary key field
c. Deleting a record in the parent table that has a matching record in a child table
d. Changing a primary key field value that has matching records in a related table
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Related Book For
Concepts Of Database Management
ISBN: 9780357422083
10th Edition
Authors: Lisa Friedrichsen, Lisa Ruffolo, Ellen Monk, Joy L. Starks, Philip J. Pratt
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