What are Armstrong's Axioms in Functional Dependency in DBMS?Armstrong axioms are a complete set of inference rules or axioms, introduced and developed by William W. Armstrong in 1974. The inference rules are s
Trivial Functional Dependency Non-trivial Functional Dependency Both A and B None of the aboveAnswer: C) Both A and BExplanation:There are mainly four types of Functional Dependency in DBMS:Trivial functional dependency Non-Trivial functional dependency Multivalued functional dependency Transitive ...
Multivalued dependency in DBMS About the Author I have 15 years of experience in the IT industry, working with renowned multinational corporations. Additionally, I have dedicated over a decade to teaching, allowing me to refine my skills in delivering information in a simple and easily understandabl...
In the context of databases,functional dependency is a relationship between two setsof attributes within a database table. It describes the dependency of one set of attributes, known as the dependent attributes, on another set of attributes, known as the determinant attributes. In other words, a...
Here, "x" is the determinant and "y" is the dependent or "x" determines "y".Some functional dependency is directly visible in relational model but some either set of dependencies also hold good which are not directly visible. The entire set of functional dependency is called as complete ...