Modern Database Management (12th Edition)
12th Edition
ISBN: 9780133544619
Author: Jeffrey A. Hoffer, Ramesh Venkataraman, Heikki Topi
Publisher: PEARSON
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Chapter 1, Problem 1.23PAE
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)?
The drawbacks of file processing systems may also be limits of databases, according to the section "Disadvantages of File Processing Systems," which states this. To begin, why do companies have numerous databases when they might have a single database that could handle all of their data processing requirements? In other words, what are the organizational and individual variables at play that might cause a company to have several, separately maintained databases?
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.
Chapter 1 Solutions
Modern Database Management (12th Edition)
Ch. 1 - Prob. 1.1RQCh. 1 - Match the following terms and definitions:...Ch. 1 - Prob. 1.3RQCh. 1 - Prob. 1.4RQCh. 1 - Prob. 1.5RQCh. 1 - How are relationships between tables expressed in...Ch. 1 - What does the term data independence mean, and why...Ch. 1 - Prob. 1.8RQCh. 1 - Prob. 1.9RQCh. 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. 1.20PAECh. 1 - Prob. 1.21PAECh. 1 - Prob. 1.22PAECh. 1 - Prob. 1.23PAECh. 1 - Prob. 1.24PAECh. 1 - Prob. 1.25PAECh. 1 - Great Lakes Insurance would like to implement a...Ch. 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 - Prob. 1.33PAECh. 1 - Prob. 1.34PAECh. 1 - Prob. 1.35PAECh. 1 - Prob. 1.36PAECh. 1 - Prob. 1.37PAECh. 1 - Consider the project data model shown in Figure...Ch. 1 - Prob. 1.39PAECh. 1 - Prob. 1.40PAECh. 1 - Helen Jarvis wants to determine the most important...Ch. 1 - In this chapter, we described four important data...
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- The more traditional function of file processing has been taken over by a management system for databases. The use of this new database technique has brought about a variety of advantageous results as a consequence. The database approach, despite the fact that it provides a huge number of advantages, has a few restrictions that need to be discussed in further detail.arrow_forwardDo 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_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
- The 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_forwardIn contrast to a database, which stores information, an information system utilizes it. Does this relationship have any consequences for database architecture?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
- Suppose 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_forwardUnlike 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_forwardAre there any worries or challenges that might arise from employing a disjointed database?arrow_forward
- A 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_forwardThe National Science Foundation (NSF) is a significant funder of academic research in the United States. Researchers submit proposals to various programs (for example, the “INFO INTEGRATION & INFORMATICS” (III) program in the the “Computer Science Engineering” (CSE) directorate is primarily responsible for funding research on database systems.) Panels of peer reviewers (other academics in related fields) decide which proposals will be funded, and there are some managers in NSF that are managing the funds. Once the grants are awarded, the university (Organization) administers them on behalf of the researchers. These grants typically range from $50,000 to millions of dollars, and they are used by researchers to pay graduate students, postdocs, and staff, acquire equipment and supplies, and cover expenses like travel. It is important that each grant have a PI that known as the owner of the grant and he/she is a researcher in that organization. Given the vast number of grants awarded…arrow_forwardPossible 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_forward
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