Normalise the following relation to remove modification anomalies showing all steps for 1NF, 2NF and 3NF . State any necessary assumptions to support your answer. Important : Provide appropriate justification for each normalisation step. STUDENTCOURSE(StudentNumber, StudentName, TotalCredits, GPA, AdvisorNumber, AdvisorName, Office, CourseNumber, CreditHours, Grade) Primary Key: StudentNumber, CourseNumber Functional Dependencies StudentNumber -> StudentName, TotalCredits, GPA, AdvisorNumber, AdvisorName, Office AdvisorNumber -> AdvisorName, Office CourseNumber -> CreditHours StudentNumber, CourseNumber -> Grade
Normalise the following relation to remove modification anomalies showing all steps for 1NF, 2NF and 3NF . State any necessary assumptions to support your answer. Important : Provide appropriate justification for each normalisation step. STUDENTCOURSE(StudentNumber, StudentName, TotalCredits, GPA, AdvisorNumber, AdvisorName, Office, CourseNumber, CreditHours, Grade) Primary Key: StudentNumber, CourseNumber Functional Dependencies StudentNumber -> StudentName, TotalCredits, GPA, AdvisorNumber, AdvisorName, Office AdvisorNumber -> AdvisorName, Office CourseNumber -> CreditHours StudentNumber, CourseNumber -> Grade
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
Related questions
Question
Normalise the following relation to remove modification anomalies showing all steps for 1NF, 2NF and 3NF . State any necessary assumptions to support your answer.
Important : Provide appropriate justification for each normalisation step.
STUDENTCOURSE(StudentNumber, StudentName, TotalCredits, GPA, AdvisorNumber, AdvisorName, Office, CourseNumber, CreditHours, Grade)
Primary Key: StudentNumber, CourseNumber
Functional Dependencies
StudentNumber -> StudentName, TotalCredits, GPA, AdvisorNumber, AdvisorName, Office
AdvisorNumber -> AdvisorName, Office
CourseNumber -> CreditHours
StudentNumber, CourseNumber -> Grade
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