Question

What is functional dependency with example in dbms?

Answer 1

FUNCTION DEPENDENCY AND TYPES & EXAMPLE. ... Functional dependencyis a relationship that exists when one attribute uniquely determines another attribute. If R is a relation with attributes X and Y, a functional dependency between the attributes is represented as X->Y, which specifies Y is functionally dependent on X..

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Answer 2

FUNCTION DEPENDENCY AND TYPES & EXAMPLE. ... Functional dependencyis a relationship that exists when one attribute uniquely determines another attribute. If R is a relation with attributes X and Y, a functional dependency between the attributes is represented as X->Y, which specifies Y is functionally dependent on X.