Partial Dependency (Databases)
A FD (functional dependency) that holds in a relation is partial when removing one of the determining attributes gives a FD that holds in the relation. A FD that isn’t partial is full. Eg: Suppose {A,B} → {C} but also {A} → {C}. Then {A,B} → {C} is partial; {C} is partially functionally dependent on … Read more