DATABASE SYSTEMS
13th Edition
ISBN: 9780357095607
Author: Coronel
Publisher: CENGAGE L
expand_more
expand_more
format_list_bulleted
Concept explainers
Expert Solution & Answer
Chapter 5, Problem 11RQ
Explanation of Solution
Entity cluster:
- An entity cluster is used to represent many entities and relationships in the ER (Entity Relationship) diagram. It is a virtual entity type.
- Combining many interrelated entities into a one abstract entity object is called as an entity cluster.
- It is consider as “abstract” or “virtual” which means it is not actually an entity in the final ER diagram, but in...
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Data communıcatıon digital data is transmitted via analog ASK and PSK are used together to increase the number of bits transmitted a)For m=8,suggest a solution and define signal elements , and then draw signals for the following sent data data = 0 1 0 1 1 0 0 0 1 0 1 1
DatacommunicationData = 1 1 0 0 1 0 0 1 0 1 1 1 1 0 0a) how many bıts can be detected and corrected by this coding why prove?b)what wıll be the decision of the reciever if it recieve the following codewords why?
pattern recognitionPCA algor'thm
Chapter 5 Solutions
DATABASE SYSTEMS
Ch. 5 - Prob. 1RQCh. 5 - What kinds of data would you store in an entity...Ch. 5 - Prob. 3RQCh. 5 - What is a subtype discriminator? Give an example...Ch. 5 - Prob. 5RQCh. 5 - What is a disjoint subtype? Give an example.Ch. 5 - What is the difference between partial...Ch. 5 - Prob. 8RQCh. 5 - According to the data model, is it required that...Ch. 5 - Prob. 10RQ
Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - When implementing a 1:1 relationship, where should...Ch. 5 - What is time-variant data, and how would you deal...Ch. 5 - Prob. 17RQCh. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - Prob. 3PCh. 5 - Prob. 4PCh. 5 - Prob. 5PCh. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Prob. 8CCh. 5 - Prob. 9CCh. 5 - Prob. 10C
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
- Consider the following program: LOAD AC, IMMEDIATE(30) ADD AC, REGISTER(R1) STORE AC, MEMORY(20) Given that the value of R1 is 50, determine the value stored at memory address 20 after the program is executed. Provide an explanation to support your answer.arrow_forwardPattern RecognitonDecision Tree please write the steps not only last answerarrow_forwardPattern RecognitionPCA algorithmplease write the steps not only last answerarrow_forward
- Please original work Final Project: Part I Background Information: E-TechMart, established in 2005, has grown to become a leading global electronics retailer, renowned for its extensive range of electronic devices and accessories. With a robust online platform and numerous brick-and-mortar stores spread across various regions, E-TechMart serves millions of customers worldwide. The company's product offerings include the latest smartphones, laptops, tablets, smart home devices, and a variety of electronic accessories, catering to both individual consumers and businesses. E-TechMart has always prioritized customer satisfaction and aims to provide an exceptional shopping experience. This commitment is evident in their comprehensive customer service, competitive pricing, and a well-organized loyalty program that rewards repeat customers. Despite these strengths, E-TechMart faces increasing competition from other major players in the electronics retail market. To maintain its competitive…arrow_forwardCan you show me how to redesign the GameStop website using HTML and CSS using Sublime Text?arrow_forwardManhattan distancearrow_forward
- Aiwhat cost from Oradea to Goal which Eforie us A* Algorithm G(n)+H(n) last what ıs the costarrow_forwardWhat is the SELECT statement? give one reference with your answer What is a URL and what is it used for? give one reference with your answer What is e-mail, and what are its advantages? Give one reference with your answerarrow_forwardWhat is the difference between the World Wide Web (WWW) and the Internet? Give two references from a journal along with your answer.arrow_forward
- Discuss with appropriate examples, the types of relationship in a database. Give two references from an article.arrow_forwardWhat is a cloud and why do we use it? Give one reference with your answer.arrow_forwardWhat are triggers and how do you invoke a trigger on demand? give one reference with your anwer.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781285196145Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos CoronelPublisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Cengage Learning