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 sound which is used to test logical inferences of functional dependencies. The axiom ...
First three rules are functionally complete and known as RAT rule or RAT axioms and also called Armstrong rule which means only theses rules are sufficient enough to find closure set. Related Tutorials Data Models and Their Types in DBMS
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...
6. Which of the following is a type of functional dependency? Trivial Functional Dependency Non-trivial Functional Dependency Both A and B None of the above Answer:C) Both A and B Explanation: There are mainly four types of Functional Dependency in DBMS: ...