Functional dependencies are the types of constraints that are based on _____?

فنکشنل انحصار رکاوٹوں کی وہ قسمیں ہیں جو _____ پر مبنی ہیں۔

Key

Key revisited

Super set key

None of these

The functional dependency is a relationship that exists between two attributes.

It typically exists between the primary key and non-key attribute within a table.