Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Expert Solution & Answer
Chapter 6, Problem 8PE
Explanation of Solution
Justification:
Consider a relation generated from a many-to-one relationship that having primary key and foreign key constraints.
- In the above diagram, “sec_ID”, “semester”, and “year” are the primary key in the “Section” entity.
- The “Course” entity contains “course_ID”, “title”, and “credit” attributes. The “course_ID” is the primary key.
- So, they are together and become a primary key for “sec_course” relation...
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
What are the steps you will follow in order to check the database and fix any problems with it and normalize it?
Give two references with your answer.
What are the steps you will follow in order to check the database and fix any problems with it? Have in mind that you SHOULD normalize it as well. Consider that the database offline is not allowed since people are connected to it and personal data might be bridged and not secured. Provide three refernces with you answer.
Should software manufacturers should be tolerant of the practice of software piracy in third-world countries to allow these countries an opportunity to move more quickly into the information age? Why or why not?
Chapter 6 Solutions
Database System Concepts
Ch. 6 - Prob. 1PECh. 6 -
Consider a database that includes the entity sets...Ch. 6 -
Design an E-R diagram for keeping track of the...Ch. 6 - Prob. 4PECh. 6 - Prob. 5PECh. 6 - Prob. 6PECh. 6 - Prob. 7PECh. 6 -
Consider a relation such as sec_course, generated...Ch. 6 -
Suppose the advisor relationship set were...Ch. 6 - Prob. 10PE
Ch. 6 - Prob. 11PECh. 6 - Prob. 12PECh. 6 - Prob. 13PECh. 6 - Prob. 14ECh. 6 - Prob. 15ECh. 6 - Prob. 16ECh. 6 - Prob. 17ECh. 6 -
Consider two entity sets A and B that both have...Ch. 6 - Prob. 19ECh. 6 - Prob. 20ECh. 6 - Prob. 21ECh. 6 - Prob. 22ECh. 6 - Prob. 23ECh. 6 -
Design a database for an airline. The database...Ch. 6 - Prob. 25ECh. 6 -
Design a generalization – specialization...Ch. 6 -
Explain the distinction between disjoint and...Ch. 6 -
Explain the distinction between total and partial...
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.Similar questions
- I would like to know about the features of Advanced Threat Protection (ATP), AMD-V, and domain name space (DNS).arrow_forwardPlease show the code for the Tikz figurearrow_forwardWhat is Windows Server and what is the Differences between Windows Server 2019 and the Windows Operating System that people have installed on their personal computer.arrow_forward
- solve and show the tree on paperarrow_forwardI need help to resolve the following activityarrow_forwardModern life has been impacted immensely by computers. Computers have penetrated every aspect of oursociety, either for better or for worse. From supermarket scanners calculating our shopping transactionswhile keeping store inventory; robots that handle highly specialized tasks or even simple human tasks,computers do much more than just computing. But where did all this technology come from and whereis it heading? Does the future look promising or should we worry about computers taking over theworld? Or are they just a necessary evil? Provide three references with your answer.arrow_forward
- What are the steps you will follow in order to check the database and fix any problems with it? Have in mind that you SHOULD normalize it as well. Describe in full, consider the following:• Taking the database offline is not allowed since people are connected to it.• Personal data might be bridged and not secured. Provide three refernces with you answerarrow_forwardYou are called by your supervisor to go and check a potential data bridge problem. What are the stepsyou will follow in order to check the database and fix any problems with it? Have in mind that youSHOULD normalize it as well. Describe in full, consider the following:• Taking the database offline is not allowed since people are connected to it.• Personal data might be bridged and not secured. Provide three refernces with you answerarrow_forward(A) A cellular system has 12 microcells with 10 channels per cell. The microcells are split into 3 microcells, and each microcell is further split into 4 picocells. Determine the number of channels available in system after splitting into picocelles.arrow_forward
- Question 8 (10 points) Produce a relational schema diagram that corresponds to the following ER diagram for a Vacation Property Rentals database. Your relational schema diagram should include primary & foreign keys. Upload your relational schema diagram as a PDF document. Don't forget that the relation schemas for "Beach Property" and "Mountain Property" should each have primary keys. FYI: "d" in this notation denotes a subclass. Figure 2: ER Diagram for Question 8 id first RENTER name middle last address phone email 1 signs N id begin date RENTAL AGREEMENT end date amount N street address books city id 1 state address num. rooms PROPERTY zip code base rate type propertyType blocks to beach activity "B" "M" BEACH PROPERTY MOUNTAIN PROPERTYarrow_forwardNotes: 1) Answer All Question, 2) 25 points for each question QI Figurel shows the creation of the Frequency Reuse Pattern Using the Cluster Size K: (A) illustrates how i and j can be used to locate a co-channel cell. huster 3 Cluster Cluster 2 X=7(i=2,j1)arrow_forwardYou are called by your supervisor to go and check a potential data bridge problem. What are the stepsyou will follow in order to check the database and fix any problems with it? Have in mind that youSHOULD normalize it as well. Describe in full, consider the following taking the database offline is not allowed since people are connected to it and how personal data might be bridged and not secured.Provide three references with you answer.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Database System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill Education
Starting Out with Python (4th Edition)Computer ScienceISBN:9780134444321Author:Tony GaddisPublisher:PEARSON
Digital Fundamentals (11th Edition)Computer ScienceISBN:9780132737968Author:Thomas L. FloydPublisher:PEARSON 
C How to Program (8th Edition)Computer ScienceISBN:9780133976892Author:Paul J. Deitel, Harvey DeitelPublisher:PEARSON
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781337627900Author:Carlos Coronel, Steven MorrisPublisher:Cengage Learning
Programmable Logic ControllersComputer ScienceISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
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)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education
Enhanced Entity Relationship Model; Author: Data Science Center;https://www.youtube.com/watch?v=ocQUtXPumdQ;License: Standard YouTube License, CC-BY