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In terms of the following relations: (Primary Key, Foreign Key)                   Student (StudentNumber, StudentName, CourseCode)                   Enrolment (StudentNumber, OfferingNumber)                   Offering (OfferingNumber, UnitCode, Semester, Year)                   Unit (UnitCode, Title)                   Course (CourseCode, CourseTitle)                   Formulate relational algebra (NOT SQL) expressions for each of the following: List the StudentNumber of the student with the name ‘Bob Builder’ List the StudentNumber of students who have taken ICT285 or ICT284 in 2020  List the StudentNumber of students who have taken ICT285 but not ICT284 in 2020  List the StudentNumber of any students who have taken ALL units offered in Trimester 2, 2020

In terms of the following relations: (Primary Key, Foreign Key)                   Student (StudentNumber, StudentName, CourseCode)                   Enrolment (StudentNumber, OfferingNumber)                   Offering (OfferingNumber, UnitCode, Semester, Year)                   Unit (UnitCode, Title)                   Course (CourseCode, CourseTitle)                   Formulate relational algebra (NOT SQL) expressions for each of the following: List the StudentNumber of the student with the name ‘Bob Builder’ List the StudentNumber of students who have taken ICT285 or ICT284 in 2020  List the StudentNumber of students who have taken ICT285 but not ICT284 in 2020  List the StudentNumber of any students who have taken ALL units offered in Trimester 2, 2020

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter3: The Relational Database Model
Section: Chapter Questions
Problem 16RQ: Create the table that results from applying an INTERSECT relational operator to the tables shown in...
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In terms of the following relations:

(Primary Key, Foreign Key)

                  Student (StudentNumber, StudentName, CourseCode)

                  Enrolment (StudentNumber, OfferingNumber)

                  Offering (OfferingNumber, UnitCode, Semester, Year)

                  Unit (UnitCode, Title)

                  Course (CourseCode, CourseTitle)

                 

Formulate relational algebra (NOT SQL) expressions for each of the following:

  1. List the StudentNumber of the student with the name ‘Bob Builder’
  2. List the StudentNumber of students who have taken ICT285 or ICT284 in 2020 
  • List the StudentNumber of students who have taken ICT285 but not ICT284 in 2020 
  1. List the StudentNumber of any students who have taken ALL units offered in Trimester 2, 2020

 

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