Database Management System20795 marksFunctional Dependencies
Define functional dependencies. Explain 2nd normal form with example.
Define functional dependencies. Explain 2nd normal form with example. [5]
--- A functional dependency is a constraint between two sets of attributes in a relation. For a relation R, a functional dependency X → Y means that the value of attribute set X uniquely determines the value of attribute set Y. - X is called the determinant - Y is called the dependent Example: In...