Pearson eText for Modern Database Management -- Instant Access (Pearson+)
13th Edition
ISBN: 9780137305940
Author: Jeffrey Hoffer, Ramesh Venkataraman
Publisher: PEARSON+
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 1, Problem 1.34PAE
Figure 1-22 shows an enterprise data model for a music store.
Figure 1-22 Data model for Problem and Exercise
- What is the relationship between Album and Store (one-to-one, many-to-many, or one-to-many)?
- What is the relationship between Artist and Album?
- Do you think there should be a relationship between Artist and Store? Describe at least one possible scenario that could justify such a relationship.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
According to the data model, is it required that every entity instance in the PRODUCT table be associated with an entity instance in the CD table? Why, or why not?
Draw an E-R Diagram for:
-Customers pay with credit cards.
-Customers have: id, name, address, phone
-Credit cards have: type, number, exp_date, ccv_number, zip_code
-Each customer can pay with several credit cards
-Each credit card belongs to only one customer
Decipher the business rules for this ER Diagram
:
Chapter 1 Solutions
Pearson eText for Modern Database Management -- Instant Access (Pearson+)
Ch. 1 - Prob. 1.1RQCh. 1 - Prob. 1.2RQCh. 1 - Prob. 1.3RQCh. 1 - Prob. 1.4RQCh. 1 - Prob. 1.5RQCh. 1 - Prob. 1.6RQCh. 1 - Prob. 1.7RQCh. 1 - How are relationships between tables expressed in...Ch. 1 - What does the term data independence mean, and why...Ch. 1 - Prob. 1.10RQ
Ch. 1 - Prob. 1.11RQCh. 1 - Prob. 1.12RQCh. 1 - Prob. 1.13RQCh. 1 - Prob. 1.14RQCh. 1 - Prob. 1.15RQCh. 1 - Prob. 1.16RQCh. 1 - Prob. 1.17RQCh. 1 - Prob. 1.18RQCh. 1 - Prob. 1.19RQCh. 1 - Prob. 1.20RQCh. 1 - Prob. 1.21RQCh. 1 - Prob. 1.22RQCh. 1 - Prob. 1.23RQCh. 1 - Prob. 1.24RQCh. 1 - Prob. 1.25RQCh. 1 - Prob. 1.26RQCh. 1 - Prob. 1.27PAECh. 1 - Prob. 1.28PAECh. 1 - Prob. 1.29PAECh. 1 - Prob. 1.30PAECh. 1 - Prob. 1.31PAECh. 1 - Prob. 1.32PAECh. 1 - Great Lakes Insurance would like to implement a...Ch. 1 - Figure 1-22 shows an enterprise data model for a...Ch. 1 - Prob. 1.35PAECh. 1 - Prob. 1.36PAECh. 1 - Prob. 1.37PAECh. 1 - Prob. 1.38PAECh. 1 - Prob. 1.39PAECh. 1 - Prob. 1.40PAECh. 1 - Prob. 1.41PAECh. 1 - Prob. 1.42PAECh. 1 - Prob. 1.43PAECh. 1 - Prob. 1.44PAECh. 1 - Consider the project data model shown in Figure...Ch. 1 - Answer the following questions concerning Figures...Ch. 1 - Prob. 1.47PAECh. 1 - Helen Jarvis wants to determine the most important...Ch. 1 - In this chapter, we described four important data...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
If the following statement were used in a Java program, it would cause something to be written to the screen. W...
Absolute Java (6th Edition)
Run the hello, world program on your system. Experiment with leaving out parts of the program, to see what erro...
C Programming Language
Porter’s competitive forces model: The model is used to provide a general view about the firms, the competitors...
Management Information Systems: Managing the Digital Firm (15th Edition)
Porter’s competitive forces model: The model is used to provide a general view about the firms, the competitors...
Management Information Systems: Managing The Digital Firm (16th Edition)
Give a Java statement that will display a dialog window on the screen with the message I Love You.
Java: An Introduction to Problem Solving and Programming (8th Edition)
Suppose that we create an array A of GameEntry objects, which has an integer scores field, and we clone A and s...
Data Structures and Algorithms in Java
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
- ER modeling is one approach in creating a data model. There are several approaches in creating a data model (bottom up, top down, inside out, and mix). 1. explain each of these approaches!2. Then explain when we use top down, bottom up, inside out and mix? what is the function of each of the approaches?arrow_forwardDiscuss the various types of relationships that can exist between entities in a data model, including one-to-one, one-to-many, and many-to-many.arrow_forwardWhich data model does not support the many-to-many relationship between entities? Explain that model with advantages and disadvantages?arrow_forward
- Draw an E-R diagram for the ordering system in Figure 13.24. Based your E-R diagram, draw a data flow diagram.arrow_forwardIf you want to build a data warehouse, do you need to have a dimensional model in place?arrow_forwardDevelop a simple data model for a student database that includes student data, student contact data, student demographic data, student grades data, and student financial data. Determine the data attributes that should be present in each table, and identify the primary key for each table. Develop a complete entity relationship diagram that shows how these tables are related to one another.arrow_forward
- Design ER Diagram for a hotel reservation database, your ER Diagram should include the following: * Hotel * Hotel Branch * Room * Customer * Employee * Supplier: supplies beds, bed sheets, pillows, ... etc * Customers can reserve rooms Think of attributes and relationships that you need to have in your ER Diagram. • Your ER diagram should include entities, attributes, relationship and cardinality constraints.arrow_forwardDATABASE SYSTEM DRAWING E/R DIAGRAM AND RELATIONAL SCHEMA.Draw the ERD with appropriate mapping cardinalities for mail order database in which employees, each identified by unique employee number, first name last name and ZIP code. Employee are categorized as manager, clerk ad delivery staff. Each customer of the company is identified by a unique employee number, first and last name and ZIP code. Each part sold by the company is identified by unique part number, part name, price and quantity stock. Each order placed by a customer is taken by a clerk and is given a unique order number. Each order contains specified quantities of one or more parts. Each order has a date of receipt as well as an expected ship date. The actual ship date is also recorded. The delivery boy places the order of specified customers. There is a provision of replacing one or many fault parts to the customer but before that it must be verified by the manager.arrow_forwardI am learning ER diagrams learning one, many, one and only, zero or one, one or many, and zero or many for the cardinality rules to create databases with. Question: How can I make plans for a ProResume database and turn them into an ER diagram? Also, what ER diagram tools might you know of that are possibly free and nice to use with MySQL? This is the plan I have thus far; ENTITIES Employers: These will be the companies or organizations that are hiring. Attributes: Employer ID, Company Name, Location, Contact Information Customers: These will be the Job Applicants or Candidates. Attributes: Customer ID, Name, Contact Information, Education, Experience References: These will be the references from customers. Attributes: Reference ID, Name, Contact Information, Relationship to Customer Skills: Will be software and hardware skill of the customer. Attributes: Skill ID, Skill Name, Proficiency Level Employment Positions: These will be…arrow_forward
- According to the data model, is it required that every entity instance in the PRODUCT table be associated with an entity instance in the CD table? Why or why not?arrow_forwardData modelling is most often accomplished through the use of a(an) ________________. a. entity-relationship diagram b. data-flow diagram c. functional decomposition diagram d. activity diagramarrow_forwardThink of a retail clothing store in a mall and list relevant data flows, data stores, processes, and sources/sinks. Includes three(3) sales transactions. Draw a context diagram and a level 1 diagram that represents the selling system at the store. Explain why you choose certain elements as processes versus sources/sinks.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Information Systems (MindTap Course...Computer ScienceISBN:9781285867168Author:Ralph Stair, George ReynoldsPublisher:Cengage LearningFundamentals of Information SystemsComputer ScienceISBN:9781305082168Author:Ralph Stair, George ReynoldsPublisher:Cengage LearningDatabase 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
Principles of Information Systems (MindTap Course...
Computer Science
ISBN:9781285867168
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
Fundamentals of Information Systems
Computer Science
ISBN:9781305082168
Author:Ralph Stair, George Reynolds
Publisher: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
Enhanced Entity Relationship Model; Author: Data Science Center;https://www.youtube.com/watch?v=ocQUtXPumdQ;License: Standard YouTube License, CC-BY