Suppose Relation Rabcde Has The Following Functional #551

Suppose relation R(A,B,C,D,E) has the following functional dependencies:</p> <pre><code class="language-txt">A -> B B -> C BC -> A A -> D E -> A D -> E</code></pre> <p>Which of the following is not a key?

This multiple choice question (MCQ) is related to the book/course gs gs117 Database Management System. It can also be found in gs gs117 Normalization in Database Management System - Functional-Dependency Theory - Quiz No.1.

A -> B B -> C BC -> A A -> D E -> A D -> E