Given R=ABCDEFG and F = {CF→B, B→C, FB→E, CBE→F, E→AG, FA→B,BG→FE, BA→CG} The following is a minimal cover: A. (CFD, FBD, BED, BAD, BDG) B. CFD→BEAG C. CF→B, FB→E, E→AG, FA→B, BA→G D. CF→B, B→C, FB→E, E→AG, FA→B, BG→F, BA→G
Given R=ABCDEFG and F = {CF→B, B→C, FB→E, CBE→F, E→AG, FA→B,BG→FE, BA→CG} The following is a minimal cover: A. (CFD, FBD, BED, BAD, BDG) B. CFD→BEAG C. CF→B, FB→E, E→AG, FA→B, BA→G D. CF→B, B→C, FB→E, E→AG, FA→B, BG→F, BA→G
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 R=ABCDEFG
and F = {CF→B, B→C, FB→E, CBE→F, E→AG, FA→B,BG→FE, BA→CG}
The following is a minimal cover:
-
A.
(CFD, FBD, BED, BAD, BDG) -
B.
CFD→BEAG -
C.
CF→B, FB→E, E→AG, FA→B, BA→G -
D.
CF→B, B→C, FB→E, E→AG, FA→B, BG→F, BA→G
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