Pearson eText for Modern Database Management -- Instant Access (Pearson+)
13th Edition
ISBN: 9780137305940
Author: Jeffrey Hoffer, Ramesh Venkataraman
Publisher: PEARSON+
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Chapter 1, Problem 1.30PAE
Program Plan Intro
The reason organizations make multiple databases instead of creating one inclusive
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In the section “Disadvantages of File Processing Systems,” the statement is made that the disadvantages of file processing systems can also be limitations of databases, depending on how an organization manages its databases. First, why do organizations create multiple databases, not just one all-inclusive database supporting all data processing needs? Second, what organizational and personal factors are at work that might lead an organization to have multiple, independently managed databases (and, hence, not completely follow the database approach)?
A database system has taken the role of the traditional file processing system. In the case of this new database strategy, there are a number of advantages. However, despite its many benefits, the database system has several downsides that should be examined in further detail.
A database system has taken the role of the traditional file processing system. Utilizing this fresh database approach comes with a number of beneficial outcomes. The database technique provides a number of benefits, but it also has a number of restrictions that need to be explained in further detail.
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...
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- Do those who design databases need to be aware of any specific approach that, depending on the context in which it is used, may have the potential to have a significant impact on the efficiency with which a database performs?arrow_forwardThe readers and writers dilemma may be posed in many different ways, depending on which set of processes is being considered. Explain three alternative permutations of the issue, each of which may favor one set of procedures over another. For each iteration, detail what occurs when a reader or writer is ready to access the database, and when a procedure is complete.arrow_forwardDo individuals who design databases need to be aware of any particular method that, depending on the circumstances, may have the ability to significantly affect the effectiveness with which a database functions?arrow_forward
- A database system has replaced the traditional processing of files. As a consequence of this new database strategy, there are several advantages. Despite its many benefits, the database system has several limitations that should be properly examined.arrow_forwardSuppose that a stock exchange (market) uses a relational database to store data on stocks and the brokers who own them. Assume that numerous sales of stocks may take place concurrently between different pairs of brokers. (a) Describe the properties that transactions must have. (b) Discuss the extent to which a database management system alone can ensure that the stock market’s database remains in a consistent state. Illustrate your answer using the sale of some stock. (c) What are the benefits to the stock market of using a database management system to support concurrent transactions?arrow_forwardSYSTEMS DESIGN Robin Alper, a manager of the credit collections department for ACME Building Supplies, is extremely unhappy with a new system that was installed three months ago. Her complaint is that the data flows from the billing and accounts receivable departments are not occurring in the manner originally requested. Further, the updates to the database files are not occurring as frequently as she had envisioned. Thus, the hope that the new system would provide more current and timely information has not materialized. She claims that the systems analysts spent three days interviewing her and other workers. During that time, she and the other workers thought they had clearly conveyed their needs. She feels as if their needs were ignored and their time was wasted. Required What went wrong during the systems design process? What suggestions would you make for future projects? please explain in detail to better understand.arrow_forward
- Unlike a database, which stores data, an information system makes use of it. Is there any impact on database design as a result of this relationship?arrow_forwardThere are several pros and downsides to database systems. Consider a few examples of how these main drawbacks have been put to use.arrow_forwardAre there any worries or challenges that might arise from employing a disjointed database?arrow_forward
- Possible implications for the design of a distributed database may be drawn from the differences between a local area network and a wide area network.arrow_forwardA database keeps track of information, while an information system makes use of that information. Are there any implications for database architecture as a result of this connection?arrow_forwardDistinguish between physical database independence and logical database independence as they pertain to database systems.arrow_forward
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