Modern Database Management
13th Edition
ISBN: 9780134792293
Author: Hoffer
Publisher: PEARSON
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Chapter 9, Problem 9.28RQ
Program Plan Intro
Differences between data federation and data propagation.
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Chapter 9 Solutions
Modern Database Management
Ch. 9 - Prob. 9.1RQCh. 9 - Prob. 9.2RQCh. 9 - Prob. 9.3RQCh. 9 - List the five major trends that necessitate data...Ch. 9 - Prob. 9.5RQCh. 9 - Prob. 9.6RQCh. 9 - Prob. 9.7RQCh. 9 - Prob. 9.8RQCh. 9 - Prob. 9.9RQCh. 9 - Prob. 9.10RQ
Ch. 9 - List four objectives of derived data.Ch. 9 - Prob. 9.12RQCh. 9 - Prob. 9.13RQCh. 9 - Explain the pros and cons of logical data marts.Ch. 9 - Prob. 9.15RQCh. 9 - What is a helper table, and why is it often used...Ch. 9 - Describe the characteristics of a surrogate key as...Ch. 9 - Prob. 9.18RQCh. 9 - What is the purpose of conformed dimensions for...Ch. 9 - Prob. 9.20RQCh. 9 - Prob. 9.21RQCh. 9 - Prob. 9.22RQCh. 9 - Prob. 9.23RQCh. 9 - Prob. 9.24RQCh. 9 - Prob. 9.25RQCh. 9 - Describe the current key trends in data...Ch. 9 - Discuss the benefits of offering data warehousing...Ch. 9 - Prob. 9.28RQCh. 9 - List six typical characteristics of reconciled...Ch. 9 - Prob. 9.30RQCh. 9 - Prob. 9.31RQCh. 9 - Prob. 9.32RQCh. 9 - Prob. 9.33RQCh. 9 - Describe some field-level and record-level data...Ch. 9 - Prob. 9.35PAECh. 9 - Prob. 9.36PAECh. 9 - Prob. 9.37PAECh. 9 - Prob. 9.38PAECh. 9 - You are to construct a star schema for Simplified...Ch. 9 - Simplified Automobile Insurance Company would like...Ch. 9 - Prob. 9.41PAECh. 9 - Prob. 9.42PAECh. 9 - Prob. 9.43PAECh. 9 - Prob. 9.45PAECh. 9 - Prob. 9.46PAECh. 9 - Prob. 9.47PAECh. 9 - Prob. 9.48PAECh. 9 - Prob. 9.49PAECh. 9 - Prob. 9.50PAECh. 9 - Prob. 9.51PAECh. 9 - Prob. 9.52PAECh. 9 - Prob. 9.53PAECh. 9 - Prob. 9.54PAE
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- How are logical data flow diagrams and physical data flow diagrams different from one another?arrow_forwardWhat separates a logical data flow diagram from the physical data flow diagram, which is its physical counterpart?arrow_forwardIn the context of software development, what is two-way data binding, and how does it differ from one-way data binding? Provide examples of when each approach might be used.arrow_forward
- What differentiates a logical data flow diagram from a physical data flow diagram?arrow_forwardData transformation can range from as simple as a change in data format or representation to as sophisticated as a data integration technique involving numerous data sources and many data sources. Is this statement correct or incorrect?arrow_forwardWhat differentiates logical data flow diagrams from physical data flow diagrams, and why is this important?arrow_forward
- Which methodologies are in place to prevent data pollution in two-way data binding?arrow_forwardWhy are DFDs used in data and processing models so frequently?arrow_forwardData transformation may range from something as simple as a change in the format or representation of the data to something as complicated as an integration strategy incorporating many and various data sources. Does this claim have any merit as being true or false?arrow_forward
- What distinguishes a logical data flow diagram from its physical counterpart, the physical data flow diagram?arrow_forwardData transformation may be as basic as a change in data format or representation to as complicated as a data integration operation involving several data sources. Is this true or false?arrow_forwardTwo types of data flow diagrams exist, each with its own set of pros and downsides. Why is MetaData so critical in a data warehouse?arrow_forward
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