Given relation R(u, y, c, d, e, f, w) where there are two keys: {y,c} and {w}. Given a set of functionaldependencies F ={fd1: {y,c} -> {u,d,e,f,w},fd2: u -> c,fd3: w -> {u,y,c,d,e,f}}.Is R in 3NF? Explain why.

Given relation R have attributes u,y,c,d,e,f and w and {y,c} and {w} are two keys. so that the…

Answered: {u,d,e,f,w}, y,c,d,e,f}}. -Y,C,d,e

Engineering

Computer Science

{u,d,e,f,w}, y,c,d,e,f}}. -Y,C,d,e

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Given relation R(u, y, c, d, e, f, w) where there are two keys: {y,c} and {w}. Given a set of functional
dependencies F =
{fd1: {y,c} -> {u,d,e,f,w},
fd2: u -> c,
fd3: w -> {u,y,c,d,e,f}}.
Is R in 3NF? Explain why.

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