Intro to Functional Dependencies
Explore the concept of functional dependencies to grasp how attributes within a database relate and depend on one another. This lesson helps you understand determinants and dependents in tables, enhancing your ability to design efficient relational databases.
We'll cover the following...
We'll cover the following...
Introduction
One important theory developed for the entity relational (ER) model involves the notion of functional dependency (FD). The aim of studying this is to improve your understanding of relationships among data and to gain enough formalism to assist with practical database design.
A functional dependency is a relationship between two attributes, typically the primary key (PK) and other non-key attributes within a table. For any relation R, attribute ...