Gce Model Questions Vol1 2024 Computer Studies Question 32

Practice objective / multiple choice question 32 from the 2024 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2024 Computer Studies Objective / Multiple Choice Hard Difficulty
Question 32 GCE_MODEL_QUESTIONS_VOL1 • 2024 • COMPUTER_STUDIES • objective

Consider a relation \(R(A,B,C,D)\) with functional dependencies: \(A\rightarrow B\), \(B\rightarrow C\), \(C\rightarrow D\), and \(A\rightarrow D\). Determine the highest normal form of \(R\) and give a lossless‑decomposition of \(R\) into relations that are in Boyce‑Codd Normal Form (BCNF).

Answer Options

A. R is in 2NF but not 3NF; a BCNF decomposition is R1(A,B) and R2(C,D)
B. R is in 1NF only; a BCNF decomposition is R1(A,D) and R2(B,C)
C. R is in 3NF and also BCNF; a BCNF decomposition is R1(A,B,C) and R2(D)
Correct Answer D. R is in 3NF but not BCNF; a BCNF decomposition is R1(B,C) and R2(A,B,D)
Correct Answer
D
Correct Option:
R is in 3NF but not BCNF; a BCNF decomposition is R1(B,C) and R2(A,B,D)

About This Question

This is Gce Model Questions Vol1 2024 Computer Studies Question 32. It is one of the objective questions from the 2024 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Hard .

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