Modern Database Management
13th Edition
ISBN: 9780134773650
Author: Hoffer
Publisher: PEARSON
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Chapter 4, Problem 4.20RQ
Program Plan Intro
M: N ternary relationship represented in a relational data model.
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Chapter 4 Solutions
Modern Database Management
Ch. 4 - Define each of the following terms: determinant...Ch. 4 - Prob. 4.2RQCh. 4 - Prob. 4.3RQCh. 4 - Describe the primary differences between the...Ch. 4 - Summarize six important properties of relations.Ch. 4 - Describe two properties that each candidate key...Ch. 4 - Describe the three types of anomalies that can...Ch. 4 - Demonstrate each of the anomaly types with an...Ch. 4 - Fill in the blanks in each of the following...Ch. 4 - What is a well-structured relation? Why are...
Ch. 4 - Prob. 4.11RQCh. 4 - Describe how the following components of an E-R...Ch. 4 - Prob. 4.13RQCh. 4 - Prob. 4.14RQCh. 4 - Briefly describe four typical problems that often...Ch. 4 - Prob. 4.16RQCh. 4 - Explain how each of the following types of...Ch. 4 - Prob. 4.18RQCh. 4 - Prob. 4.19RQCh. 4 - Prob. 4.20RQCh. 4 - Prob. 4.21RQCh. 4 - What is the relationship between the primary key...Ch. 4 - Prob. 4.23RQCh. 4 - Explain what can be done with primary keys to...Ch. 4 - Prob. 4.25RQCh. 4 - Explain three conditions that suggest a surrogate...Ch. 4 - Prob. 4.27RQCh. 4 - For each of the following E-R diagrams from...Ch. 4 - Prob. 4.29PAECh. 4 - Prob. 4.30PAECh. 4 - For your answers to the following Problems and...Ch. 4 - Figure 4-3212 shows a class list for Millennium...Ch. 4 - Prob. 4.33PAECh. 4 - Prob. 4.34PAECh. 4 - Prob. 4.35PAECh. 4 - Prob. 4.36PAECh. 4 - Prob. 4.37PAECh. 4 - Prob. 4.38PAECh. 4 - Prob. 4.39PAECh. 4 - Transform Figure 2-15a, attribute version, to 3NF...Ch. 4 - The Public Safety office at Millennium College...Ch. 4 - Prob. 4.42PAECh. 4 - Prob. 4.43PAECh. 4 - Prob. 4.44PAECh. 4 - For your answers to Problem and Exercise 3-33 from...Ch. 4 - Prob. 4.46PAECh. 4 - Prob. 4.47PAECh. 4 - Figure 4-38 includes an EER diagram for a...Ch. 4 - Prob. 4.49PAECh. 4 - Prob. 4.50PAECh. 4 - Prob. 4.51PAECh. 4 - Prob. 4.52PAECh. 4 - Figure 4-40 shows an EER diagram for a university...Ch. 4 - Explore the data included in Table 4-9. Assume...Ch. 4 - Prob. 4.55PAECh. 4 - Prob. 4.56PAECh. 4 - Prob. 4.57PAECh. 4 - Prob. 4.58PAE
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- The ______________ model is a simple but highly useful way to organize data into collections of two-dimensional tables called relations.arrow_forwardExplain the concept of surrogate keys in data modeling and their advantages.arrow_forwardWhat are surrogate keys, and why are they used in data modeling?arrow_forward
- How do data modeling considerations change when dealing with temporal databases?arrow_forwardHow do surrogate keys and natural keys differ in data modeling, and when might one be preferred over the other?arrow_forwardWhat is the purpose of a business rule in the context of data modeling?arrow_forward
- Discuss the concept of a fuzzy relation. How are fuzzyrelations used?arrow_forwardHow can data normalization be used to check the results of the E-R diagram-to-relational database conversion process?arrow_forwardConvert the Entity Relationship Diagram in to relational database by using MS Access (Note: Students has to create tables in the MS Access by giving appropriate Primary key and Foreign key relationships) QI. Customer Order OrderDetail CustomeriD OrderiD OrderiD (FK) OrderDetaillD Name Mail ZipCode Address Telephone CustomeriD (FK) OrderDate TotalPrice ProductiD (FK) Amount Price Product ProductiD Name Kind Pricearrow_forward
- In what situations would a "graph-based" database model be preferred over a relational model?arrow_forwardApply the ER-to-Relational Mapping Algorithm to get the relational model (database schema) from the above ERD diagramarrow_forwardMongoDB's benefits over relational data models will be discussed in this article.arrow_forward
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