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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