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Which of the following statements about primary and foreign keys is correct? A A foreign key can reference multiple parent keys, and multiple foreign keys
Which of the following statements about primary and foreign keys is correct?
A A foreign key can reference multiple parent keys, and multiple foreign keys can reference the same parent key value.
B A foreign key can reference only one parent key, and multiple foreign keys can reference the same parent key value.
C A foreign key can reference only one parent key, and multiple foreign keys cannot reference the same parent key value.
D A foreign key can reference multiple parent keys, but multiple foreign keys cannot reference the same parent key value.
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Fundamentals Of Database Management Systems
Authors: Mark L. Gillenson
3rd Edition
978-1119907466
