A functional dependency in which one or more nonkey attributes are functionally dependent on part, but not all, of the primary key is called a ________ dependency.
A) partial key-based
B) partial functional
C) cross key
D) merged relation

Question

Quizplus · Accepted Answer

A partial functional dependency occurs when a nonkey attribute is dependent on only a part of a composite primary key, rather than the whole key.

A Functional Dependency in Which One or More Nonkey Attributes