Schema Note: “breadth” is a boolean indicating whether or not a course satisfies the breadth requirement for degrees in the Faculty of Arts and Science. Student(sID, surName, firstName, campus, email, cgpa) Course(dept, cNum, name, breadth) Offering(oID, dept, cNum, term, instructor) Took(sID, oID, grade) Department and cNum of all courses that have been taught in every term when csc448 was taught. Name of all students who have taken, at some point, every course Gries has taught (but not necessarily taken them from Gries). Department and course number of courses that have never been offered
Schema Note: “breadth” is a boolean indicating whether or not a course satisfies the breadth requirement for degrees in the Faculty of Arts and Science. Student(sID, surName, firstName, campus, email, cgpa) Course(dept, cNum, name, breadth) Offering(oID, dept, cNum, term, instructor) Took(sID, oID, grade) Department and cNum of all courses that have been taught in every term when csc448 was taught. Name of all students who have taken, at some point, every course Gries has taught (but not necessarily taken them from Gries). Department and course number of courses that have never been offered
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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For the provided Schema solve the queries given below using Relational Algebra
Schema
Note: “breadth” is a boolean indicating whether or not a course satisfies the breadth requirement for degrees in the Faculty of Arts and Science.
Student(sID, surName, firstName, campus, email, cgpa)
Course(dept, cNum, name, breadth)
Offering(oID, dept, cNum, term, instructor)
Took(sID, oID, grade)
- Department and cNum of all courses that have been taught in every term when csc448 was taught.
- Name of all students who have taken, at some point, every course Gries has taught (but not necessarily taken them from Gries).
- Department and course number of courses that have never been offered
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