📝 Question
#1210
A primary key is combined with a foreign key creates
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Correct Answer
B. Many to many relationship between the tables that connect them
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Explanation
Using the two relationships mother and father provides us a record of a child’s mother, even if we are not aware of the father’s identity; a null value would be required if the ternary relationship parent is used. Using binary relationship sets is preferable in this case.
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