Consider R(A1,A2,A3,A4,A5, A6) with FDs: F = {A1 → A5, A2 → A1, A3A4 → A5, A5A6 → A2, A3 → A4, A5 → As} Which of the following statements is CORRECT? Note: "F =X→ Y" means the FD X→ Y follows from F. Select one: O FHA3 → A1 O All of the four statements None of the four statements O F=A2 → A3 FEA1 - A4 O FE A5 - A4
Consider R(A1,A2,A3,A4,A5, A6) with FDs: F = {A1 → A5, A2 → A1, A3A4 → A5, A5A6 → A2, A3 → A4, A5 → As} Which of the following statements is CORRECT? Note: "F =X→ Y" means the FD X→ Y follows from F. Select one: O FHA3 → A1 O All of the four statements None of the four statements O F=A2 → A3 FEA1 - A4 O FE A5 - A4
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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![35 of 40
Consider R(A1,A2,A3,A4,A5, A6) with FDs:
F = {A1 → A5, A2 → A1, A3A4 → A5, A5A6 → A2, A3 → A4, A5 → As}
Which of the following statements is CORRECT?
Note: "F = X → Y" means the FD X → Y follows from F.
Select one:
OFHA3 → A1
All of the four statements
None of the four statements
O F=A2 → A3
FEA1 → A4
O F= A5 → A4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fca81dda1-6465-445f-beff-0692e29b9ee0%2F9a1da613-e26e-4591-94e8-2bad52f646cd%2Ffmkcw7_processed.png&w=3840&q=75)
Transcribed Image Text:35 of 40
Consider R(A1,A2,A3,A4,A5, A6) with FDs:
F = {A1 → A5, A2 → A1, A3A4 → A5, A5A6 → A2, A3 → A4, A5 → As}
Which of the following statements is CORRECT?
Note: "F = X → Y" means the FD X → Y follows from F.
Select one:
OFHA3 → A1
All of the four statements
None of the four statements
O F=A2 → A3
FEA1 → A4
O F= A5 → A4
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