Gce Model Questions Vol1 2020 Computer Studies Question 34

Practice objective / multiple choice question 34 from the 2020 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2020 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 34 GCE_MODEL_QUESTIONS_VOL1 • 2020 • COMPUTER_STUDIES • objective

Consider a relation R(StudentID, CourseCode, Instructor, Room) with functional dependencies: (StudentID, CourseCode) → Instructor, Room and Instructor → Room. Determine the highest normal form that R satisfies and give a lossless‑decomposition of R into relations that are in Boyce‑Codd Normal Form (BCNF).

Answer Options

Correct Answer A. Highest NF: 2NF; BCNF decomposition: R1(Instructor, Room) and R2(StudentID, CourseCode, Instructor)
B. Highest NF: 1NF; BCNF decomposition: R1(Instructor) and R2(StudentID, CourseCode, Instructor, Room)
C. Highest NF: 3NF; BCNF decomposition: R1(Instructor, Room) and R2(StudentID, CourseCode, Instructor)
D. Highest NF: 2NF; BCNF decomposition: R1(StudentID, CourseCode) and R2(Instructor, Room)
Correct Answer
A
Correct Option:
Highest NF: 2NF; BCNF decomposition: R1(Instructor, Room) and R2(StudentID, CourseCode, Instructor)

About This Question

This is Gce Model Questions Vol1 2020 Computer Studies Question 34. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Medium .

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