For each one of the domain specification given below, identify all the functional dependencies, and its highest normal form. Remember that the identification of a normal form requires analysis of the valid functional dependencies and the minimal keys. Provide justification of each answer. 2. In a higher education institution, in a semester, students are allowed to enroll up to 2 running subjects, and each running subject may have many students enroll to it. The final grade the students receive for a subject, and the credit value of each subject are recorded in the following relational table. ENROLMENT(StdNum, SubNum, Grade, CreditValue) 3. When a staff is required to undertake an inspection of properties, the staff is allocated a company car for the day. A staff may inspect several properties on a given date, and a property is only inspected once on a given date. This information of the inspection are stored in the following relational table: PropertyInspection(PropertyNum, IDate, ITime, Comments, StaffNum, CarRegNum)

For each one of the domain specification given below, identify all the functional dependencies, and its highest normal form. Remember that the identification of a normal form requires analysis of the valid functional dependencies and the minimal keys. Provide justification of each answer. 2. In a higher education institution, in a semester, students are allowed to enroll up to 2 running subjects, and each running subject may have many students enroll to it. The final grade the students receive for a subject, and the credit value of each subject are recorded in the following relational table. ENROLMENT(StdNum, SubNum, Grade, CreditValue) 3. When a staff is required to undertake an inspection of properties, the staff is allocated a company car for the day. A staff may inspect several properties on a given date, and a property is only inspected once on a given date. This information of the inspection are stored in the following relational table: PropertyInspection(PropertyNum, IDate, ITime, Comments, StaffNum, CarRegNum)

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

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Question

For each one of the domain specification given below, identify all the functional
dependencies, and its highest normal form. Remember that the identification of a
normal form requires analysis of the valid functional dependencies and the minimal
keys. Providejustification of each answer.
2. In a higher education institution, in a semester, students are allowed to enroll
up to 2 running subjects, and each running subject may have many students
enroll to it. The final grade the students receive for a subject, and the credit
value of each subject are recorded in the following relational table.
ENROLMENT(Std Num, SubNum, Grade, CreditValue)
3. When a staff is required to undertake an inspection of properties, the staff is
allocated a company car for the day. A staff may inspect several properties on
a given date, and a property is only inspected once on a given date. This
information of the inspection are stored in the following relational table:
PropertyInspection(PropertyNum, IDate, ITime, Comments, StaffNum,
CarRegNum)

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