Neco 2025 Data Processing Question 27

Practice objective / multiple choice question 27 from the 2025 Neco Data Processing examination.

Neco 2025 Data Processing Objective / Multiple Choice Medium Difficulty
Question 27 NECO • 2025 • DATA_PROCESSING • objective

Consider a relation STUDENT(CourseID, StudentID, Instructor, Grade) with the functional dependencies:\n\(\text{CourseID, StudentID} \rightarrow \text{Instructor, Grade}\) and \(\text{CourseID} \rightarrow \text{Instructor}\).\n\nDetermine the highest normal form of STUDENT and give a lossless‑join, dependency‑preserving decomposition of STUDENT into relations that are in BCNF.

Answer Options

A. Highest normal form: 2NF; Decomposition: R1(CourseID, Instructor) and R2(CourseID, StudentID, Grade)
B. Highest normal form: 3NF; Decomposition: R1(CourseID, Instructor, Grade) and R2(StudentID, Instructor)
C. Highest normal form: 1NF; Decomposition: R1(CourseID, StudentID) and R2(CourseID, Instructor, Grade)
Correct Answer D. Highest normal form: 1NF; Decomposition: R1(CourseID, Instructor) and R2(CourseID, StudentID, Grade)
Correct Answer
D
Correct Option:
Highest normal form: 1NF; Decomposition: R1(CourseID, Instructor) and R2(CourseID, StudentID, Grade)

About This Question

This is Neco 2025 Data Processing Question 27. It is one of the objective questions from the 2025 Neco Data Processing examination.

Difficulty level: Medium .

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