Let R(A, B, C, D, E, F) be a relation with FD's: {D → C, C → D, D → E, C → E, E → AD, AF → E, D → B}. Which of the following statements is correct?
Let R(A, B, C, D, E, F) be a relation with FD's: {D → C, C → D, D → E, C → E, E → AD, AF → E, D → B}. Which of the following statements is correct?
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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![8 of 40
Let R(A, B, C, D, E, F) be a relation with
FD's: {D → C, C → D, D – E, C → E, E → AD, AF → E, D → B}.
Which of the following statements is correct?
Select one:
O R is not in 3NF but in BCNF.
Ris not in 3NF and not in BCNF.
O Ris in 3NF but not in BCNF.
O R is in 3NF and in BCNF.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fca81dda1-6465-445f-beff-0692e29b9ee0%2F7564f768-eb53-44cf-8876-b28acf1d2b30%2F0cl4rde_processed.png&w=3840&q=75)
Transcribed Image Text:8 of 40
Let R(A, B, C, D, E, F) be a relation with
FD's: {D → C, C → D, D – E, C → E, E → AD, AF → E, D → B}.
Which of the following statements is correct?
Select one:
O R is not in 3NF but in BCNF.
Ris not in 3NF and not in BCNF.
O Ris in 3NF but not in BCNF.
O R is in 3NF and in BCNF.
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