Assume the following below given tables and answer the questions.

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...
icon
Related questions
Question
100%

Q3

Assume the following below given tables and answer the questions.
Teacher (teacher_ID, teacher_name, teacher_dept, teacher_salary)
Teaches (teacher_ID, course_id, sec_id, semester, year)
Course (course_id, course_title, dept_name, course_credits)
a) Query 1: write a relational algebra query to find the names of all teachers in the IT
department, along with the course titles of the courses that they teach.
b) Query 2: write a relational algebra query to find the names of all instructors in the
IT department who have taught a course in 2020, along with the titles of the
courses that they taught.
Transcribed Image Text:Assume the following below given tables and answer the questions. Teacher (teacher_ID, teacher_name, teacher_dept, teacher_salary) Teaches (teacher_ID, course_id, sec_id, semester, year) Course (course_id, course_title, dept_name, course_credits) a) Query 1: write a relational algebra query to find the names of all teachers in the IT department, along with the course titles of the courses that they teach. b) Query 2: write a relational algebra query to find the names of all instructors in the IT department who have taught a course in 2020, along with the titles of the courses that they taught.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Computer Networking: A Top-Down Approach (7th Edi…
Computer Networking: A Top-Down Approach (7th Edi…
Computer Engineering
ISBN:
9780133594140
Author:
James Kurose, Keith Ross
Publisher:
PEARSON
Computer Organization and Design MIPS Edition, Fi…
Computer Organization and Design MIPS Edition, Fi…
Computer Engineering
ISBN:
9780124077263
Author:
David A. Patterson, John L. Hennessy
Publisher:
Elsevier Science
Network+ Guide to Networks (MindTap Course List)
Network+ Guide to Networks (MindTap Course List)
Computer Engineering
ISBN:
9781337569330
Author:
Jill West, Tamara Dean, Jean Andrews
Publisher:
Cengage Learning
Concepts of Database Management
Concepts of Database Management
Computer Engineering
ISBN:
9781337093422
Author:
Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher:
Cengage Learning
Prelude to Programming
Prelude to Programming
Computer Engineering
ISBN:
9780133750423
Author:
VENIT, Stewart
Publisher:
Pearson Education
Sc Business Data Communications and Networking, T…
Sc Business Data Communications and Networking, T…
Computer Engineering
ISBN:
9781119368830
Author:
FITZGERALD
Publisher:
WILEY