Relational algebra: Get the student#, course# and midterm grade of the enrollments for courses of the CS department. StudentEnrollmentstudentNrclassif100 FR200 SO300 JRstudentNr courseNr section100 CS 1713100 ENG1043100 HIS1033midTerm final958580nationalityUS180US185CN85100100 MAT1224200 CS 1713200 CS 3743200 MAT1224300 CS 1083300 CS 1713300 CS 3743500 CS 1713500 HIS1033700 HIS1033100909580758090400 SRCN1291500 FR600 SRGTUS855050655810095951700 SOUS11800 SOUS380190190CoursecourseNr deptCS 1083CS 1713CS 3743titleIntro to CS IIntro to CS IIDatabase SystemEnglish IHistory of the World Part ICalculus ICSCSCSENG1043 ENGHIS1033 HISMAT1224 MAT22

Relational Algebra :- A procedural query language is relational algebra. It walks you through the…

Answered: Get the student#, course# and midterm…

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Computer Science

Get the student#, course# and midterm grade of the enrollments for courses of the CS department.

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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Concept explainers

Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.

Question

Relational algebra:

Get the student#, course# and midterm grade of the enrollments for courses of the CS department.

Student
Enrollment
studentNrclassif
100 FR
200 SO
300 JR
studentNr courseNr section
100 CS 1713
100 ENG1043
100 HIS1033
midTerm final
95
85
80
nationality
US
1
80
US
1
85
CN
85
100
100 MAT1224
200 CS 1713
200 CS 3743
200 MAT1224
300 CS 1083
300 CS 1713
300 CS 3743
500 CS 1713
500 HIS1033
700 HIS1033
100
90
95
80
75
80
90
400 SR
CN
1
2
91
500 FR
600 SR
GT
US
85
50
50
65
58
100
95
95
1
700 SO
US
1
1
800 SO
US
3
80
1
90
1
90
Course
courseNr dept
CS 1083
CS 1713
CS 3743
title
Intro to CS I
Intro to CS II
Database System
English I
History of the World Part I
Calculus I
CS
CS
CS
ENG1043 ENG
HIS1033 HIS
MAT1224 MAT
22

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