Chapter 4 – How to know Relation in 2NF or 3NF?

First, we need to know about dependencies 1. Functional Dependencies -Dependency can be understand as one/more attributes depend on other one/more attributes Example: studentid –> (studentname, dob) (semesterid, courseid) –> coursefee 1.1 Functional Dependency (FD): This is the dependency of non-key attributes to key attributes… Read More