Consider the relations Courses1. Courses2. Enrollment and Students B Hary L (1) Give the results of the following relational algebra expressions: a) Tit (- Hay O Computing (Courses2)) b) Coursesl-Courses2 AB HC Ties THE HE AL c) Courses Courses2 d) Courses Enrollment
Consider the relations Courses1. Courses2. Enrollment and Students B Hary L (1) Give the results of the following relational algebra expressions: a) Tit (- Hay O Computing (Courses2)) b) Coursesl-Courses2 AB HC Ties THE HE AL c) Courses Courses2 d) Courses Enrollment
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
![Consider the relations Courses1. Courses2.
Enrollment and Students.
Corust
AS I
Larvinn
Kary 114
b) Courses1-Courses2
Chestion
(1) Give the results of the following relational
algebra expressions:
a) (History ORComp (Courses2))
c) Courses Courses2
d) Courses Enrollment
Faralment
WH
HEAT
HC AS
HOBE
HC AL
TUA
e)
Enrollment/(Courses!)
(2) Write the following query in Relational Algebra.
a) Eind the sids of students who bave enrolled.in
course Calculus
b) Find the names of students who have enrolled in
course Calculus
c) Find the names of students who have enrolled at
least one course,
d) Find the names of students who have enrolled in
Calculus or Algebra.
e) Find the sids of students who have enrolled in all
courses (both Courses1 and Courses2).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F232a77b3-b439-445e-a6bd-a35d803f20af%2F1b07448e-48f4-4db0-a540-d971047981ac%2Ffkdf2cp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the relations Courses1. Courses2.
Enrollment and Students.
Corust
AS I
Larvinn
Kary 114
b) Courses1-Courses2
Chestion
(1) Give the results of the following relational
algebra expressions:
a) (History ORComp (Courses2))
c) Courses Courses2
d) Courses Enrollment
Faralment
WH
HEAT
HC AS
HOBE
HC AL
TUA
e)
Enrollment/(Courses!)
(2) Write the following query in Relational Algebra.
a) Eind the sids of students who bave enrolled.in
course Calculus
b) Find the names of students who have enrolled in
course Calculus
c) Find the names of students who have enrolled at
least one course,
d) Find the names of students who have enrolled in
Calculus or Algebra.
e) Find the sids of students who have enrolled in all
courses (both Courses1 and Courses2).
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Recommended textbooks for you
![Database System Concepts](https://www.bartleby.com/isbn_cover_images/9780078022159/9780078022159_smallCoverImage.jpg)
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
![Starting Out with Python (4th Edition)](https://www.bartleby.com/isbn_cover_images/9780134444321/9780134444321_smallCoverImage.gif)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
![Digital Fundamentals (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780132737968/9780132737968_smallCoverImage.gif)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
![Database System Concepts](https://www.bartleby.com/isbn_cover_images/9780078022159/9780078022159_smallCoverImage.jpg)
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
![Starting Out with Python (4th Edition)](https://www.bartleby.com/isbn_cover_images/9780134444321/9780134444321_smallCoverImage.gif)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
![Digital Fundamentals (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780132737968/9780132737968_smallCoverImage.gif)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
![C How to Program (8th Edition)](https://www.bartleby.com/isbn_cover_images/9780133976892/9780133976892_smallCoverImage.gif)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
![Database Systems: Design, Implementation, & Manag…](https://www.bartleby.com/isbn_cover_images/9781337627900/9781337627900_smallCoverImage.gif)
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
![Programmable Logic Controllers](https://www.bartleby.com/isbn_cover_images/9780073373843/9780073373843_smallCoverImage.gif)
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education