City Guilds Model Questions Vol1 2021 Information Technology Question 1

Practice objective / multiple choice question 1 from the 2021 City Guilds Model Questions Vol1 Information Technology examination.

City Guilds Model Questions Vol1 2021 Information Technology Objective / Multiple Choice Medium Difficulty
Question 1 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2021 • INFORMATION_TECHNOLOGY • objective

Relation (R(A, B, C, D, E)) is defined by the functional dependencies (A \rightarrow B), (A \rightarrow C), (BC \rightarrow D) and (D \rightarrow E). Determine a lossless‑join, dependency‑preserving decomposition of (R) into Third Normal Form (3NF) and list the resulting relation schemas.

Answer Options

A. R1(A,B,C), R2(B,D), R3(C,D,E)
B. R1(A,B), R2(B,C,D), R3(D,E)
Correct Answer C. R1(A,B,C), R2(B,C,D), R3(D,E)
D. R1(A,B,C,D), R2(D,E)
Correct Answer
C
Correct Option:
R1(A,B,C), R2(B,C,D), R3(D,E)

About This Question

This is City Guilds Model Questions Vol1 2021 Information Technology Question 1. It is one of the objective questions from the 2021 City Guilds Model Questions Vol1 Information Technology examination.

Difficulty level: Medium .

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