EBK MODERN DATABASE MANAGEMENT,
13th Edition
ISBN: 9780134792279
Author: TOPI
Publisher: YUZU
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Chapter 8, Problem 8.53PAE
Program Plan Intro
The opportunities for denormalization in the given normalized relation of sports league and the information needed to make an informed denormalization.
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Task Description: consider the following relations for a university:
Student
(sid: integer, sname: string, GPA: real, dateOfBirth: date)
Department (did: integer, dname: string, capacity: integer)
Course
(cid: integer, cname: string, credit: integer)
Enroll
(studentID: integer, courselD: integer, departmentID: Integer, enrollmentDate: date)
studentlD, courselD, and departmentID in Enroll are foreign keys referencing the primary keys of the
student, course, and department relations, respectively.
Task Description: consider the following relations for a university:
Student (sid: integer, sname: string(100 chars), GPA: real, dateOfBirth: date, Did: integer, FirstYear: integer)
Department (did: integer, dname: string(30 chars), capacity: integer)
Course (cid: integer, cname: string(50 chars), credit: integer)
Enroll (studentID: integer, courseID: integer, departmentID: integer, enrollmentDate: date, finalGrade: real)
studentID, courseID, and departmentID in Enroll are foreign keys referencing the primary keys of the student, course, and department relations, respectively. Did in Student is a foreign key referencing the primary key of the department relation.
Using SQL, develop and execute the following queries:
1- For each student with GPA between 2.5 (included) and 3.5 (included), display the student’s name, GPA,and his/her department ID. Sort the results by the students’ IDs in descending order.
2- For each student who joined the Computer Science department between 2018…
write the schema that descibes the following relations:
1- The course relation
course id
title
dept.name
credits
Intro. to Biology
Biology
Biology
Biology
Comp. Sci.
Comp. Sci.
Comp. Sci.
Comp. Sci.
Comp. Sci.
Elec. Eng.
BIO-101
4
BIO-301
BIO-399
CS-101
CS-190
CS-315
CS-319
Genetics
4
Computational Biology
Intro. to Computer Science
Game Design
Robotics
3.
4.
4
Image Processing
Database System Concepts
Intro. to Digital Systems
Investment Banking
World History
Music Video Production
CS-347
ЕЕ-181
FIN-201
3
3
Finance
HIS-351
MU-199
PHY-101
History
Music
Physical Principles
Physics
4
Chapter 8 Solutions
EBK MODERN DATABASE MANAGEMENT,
Ch. 8 - Prob. 8.1RQCh. 8 - Prob. 8.2RQCh. 8 - Prob. 8.3RQCh. 8 - Prob. 8.4RQCh. 8 - Prob. 8.5RQCh. 8 - Prob. 8.6RQCh. 8 - Prob. 8.7RQCh. 8 - Prob. 8.8RQCh. 8 - Explain why you sometimes have to reserve much...Ch. 8 - Why are field values sometimes coded?
Ch. 8 - Prob. 8.11RQCh. 8 - Prob. 8.12RQCh. 8 - Explain why normalized relations may not comprise...Ch. 8 - Prob. 8.14RQCh. 8 - List three common situations that suggest that...Ch. 8 - Explain the reasons why some experts are against...Ch. 8 - Prob. 8.17RQCh. 8 - Prob. 8.18RQCh. 8 - Prob. 8.19RQCh. 8 - Prob. 8.20RQCh. 8 - Prob. 8.21RQCh. 8 - Prob. 8.22RQCh. 8 - One of the strongest recommendations regarding...Ch. 8 - Explain why an index is useful only if there is...Ch. 8 - Indexing can clearly be very beneficial. Why...Ch. 8 - Prob. 8.26RQCh. 8 - Prob. 8.27RQCh. 8 - Describe the role of data dictionary in the...Ch. 8 - Prob. 8.29RQCh. 8 - Prob. 8.30RQCh. 8 - Explain how creating a view may increase data...Ch. 8 - Prob. 8.32RQCh. 8 - Prob. 8.33RQCh. 8 - Prob. 8.34RQCh. 8 - Prob. 8.35RQCh. 8 - Prob. 8.36RQCh. 8 - Prob. 8.37RQCh. 8 - Prob. 8.38RQCh. 8 - Prob. 8.39RQCh. 8 - How can views be used as part of data security?...Ch. 8 - Prob. 8.41RQCh. 8 - Prob. 8.42RQCh. 8 - Consider the following two relations for...Ch. 8 - Prob. 8.44PAECh. 8 - Prob. 8.45PAECh. 8 - Prob. 8.46PAECh. 8 - Prob. 8.47PAECh. 8 - Suppose you are designing a default value for the...Ch. 8 - When a student has not chosen a major at a...Ch. 8 - Prob. 8.50PAECh. 8 - Prob. 8.51PAECh. 8 - Consider the relations in Problem and Exercise...Ch. 8 - Prob. 8.53PAECh. 8 - Prob. 8.54PAECh. 8 - Prob. 8.55PAECh. 8 - Prob. 8.56PAECh. 8 - Prob. 8.57PAECh. 8 - Consider the relations specified in Problem and...Ch. 8 - Prob. 8.59PAECh. 8 - Prob. 8.60PAECh. 8 - Prob. 8.61PAECh. 8 - Prob. 8.62PAECh. 8 - Prob. 8.63PAECh. 8 - Prob. 8.64PAECh. 8 - Problems and Exercises 8-65 through 8-68 refer to...Ch. 8 - Prob. 8.66PAECh. 8 - Problems and Exercises 8-65i5 through 8-68 refer...Ch. 8 - Refer to Figure 4-5 0. For each of the following...Ch. 8 - Prob. 8.69PAECh. 8 - Prob. 8.70PAECh. 8 - Prob. 8.71PAECh. 8 - Prob. 8.72PAECh. 8 - Prob. 8.73PAECh. 8 - Prob. 8.74PAECh. 8 - Prob. 8.75PAECh. 8 - Prob. 8.76PAECh. 8 - Prob. 8.77PAE
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- Draw an Entity Relationship Diagram (ERD) based on the flat files that have been supplied. Your ERD must incorporate all the entities and attributes supplied, as well as establishing the relationships between the entitiesarrow_forward1. The table shows a class list for the XYZ UNIVERSITY, convert this user view to a set of 3NF relations. Assume the following: a. An instructor has a unique code. b. Astudent has a unique course. C. A course has a unique description. XYZ UNIVERSITY First Semester, SY 2020-2021 Course No. : COE 412 Description : Operating Systems Instructor Code : 0001 Instructor Name : Mr. X ID NUMBER STUDENT NAME COURSE 38214 BRIGHT BSCPE 40875 CORTEZ BSECE 51893 EDWARD BSITarrow_forwardA ternary relationship is a relationship which includes Select one: O a. Two entities O b. Three entities Oc. One entity O d. Four entitiesarrow_forward
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