Consider a relation schema R = {A, B, C, D, E, F, G} with the following set of functional dependencies: F = {BG A, A BC, BCA, BD E, E → F, CF B} The decomposition of R into R1 =A, B, C, G), R2 = {B, D, E}, R3 = {B, C, F} and R4 = {E, F} is O In 3NF but Not in BCNF. O In 3NF and in BCNF. O Not in 3NF and Not in BCNF O In BCNF but Not in 3NF.

Consider a relation schema R = {A, B, C, D, E, F, G} with the following set of functional dependencies: F = {BG A, A BC, BCA, BD E, E → F, CF B} The decomposition of R into R1 =A, B, C, G), R2 = {B, D, E}, R3 = {B, C, F} and R4 = {E, F} is O In 3NF but Not in BCNF. O In 3NF and in BCNF. O Not in 3NF and Not in BCNF O In BCNF but Not in 3NF.

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

Consider a relation schema R = {A, B, C, D, E, F, G} with the following set of functional
dependencies:
F = {BG A, A BC, BC A, BD E, E →F, CF B}
The decomposition of R into
R1 =A, B, C, G), R2 = {B, D, E), R3 = {B, C, F} and R4 = {E, F} is
O In 3NF but Not in BCNF.
O In 3NF and in BCNF.
O Not in 3NF and Not in BCNF
O In BCNF but Not in 3NF.

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