Consider the relation schema R(A, B, C, D, E, F) with the following set offunctional dependencies FDs F = {ABC → E, DE → A, ACE → D, BC → A, BD → E}.Is the decomposition of R into R into R1(A, B, C, E), R2(B, C, D) and R3(B, D, F) alossless decomposition? (Explain)

We are given a relation schema and it is decomposed into several schemas. We are going to find out…

Consider the relation schema R(A, B, C, D, E, F) with the following set of tional dependencies FDs F = {ABC → E, DE → A, ACE → D, BC → A, BD → E}. e decomposition of R into R into R1(A, B, C, E), R2(B, C, D) and R3(B, D, F) a less decomposition? (Explain)

Consider the relation schema R(A, B, C, D, E, F) with the following set of tional dependencies FDs F = {ABC → E, DE → A, ACE → D, BC → A, BD → E}. e decomposition of R into R into R1(A, B, C, E), R2(B, C, D) and R3(B, D, F) a less decomposition? (Explain)

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 the relation schema R(A, B, C, D, E, F) with the following set of
functional dependencies FDs F = {ABC → E, DE → A, ACE → D, BC → A, BD → E}.
Is the decomposition of R into R into R1(A, B, C, E), R2(B, C, D) and R3(B, D, F) a
lossless decomposition? (Explain)

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