Modern Database Management
13th Edition
ISBN: 9780134773650
Author: Hoffer
Publisher: PEARSON
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Chapter 9, Problem 9.32RQ
Program Plan Intro
Ways in which phrase “extract-transform-load” is related to data reconciliation process.
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Explain how the phrase “extract–transform–load” relates to the data reconciliation process
Explain the term reconciliation
Explain the concept of distributed data consistency models, including eventual consistency, strong consistency, and causal consistency. Provide examples of scenarios where each model is appropriate.
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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- Fragmentation of data may be characterised in a variety of ways. Does the term "data fragmentation" evoke any associations for you?arrow_forwardExplain the concept of distributed data consistency models, including strong consistency, eventual consistency, and causal consistency.arrow_forwardExplain the concept of distributed data consistency models, such as eventual consistency and strong consistency. Provide real-world examples of scenarios where each model is suitable.arrow_forward
- How do data dictionaries contribute to enhancing the efficiency of data cleansing processes?arrow_forwardHow does data binding simplify the update process when underlying data changes?arrow_forwardExplain the role of data consistency models (e.g., eventual consistency, strong consistency) in distributed databases. Provide examples of scenarios where each model is suitable.arrow_forward
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- explain what problems can occur because of a data discrepancyarrow_forwardExplain the challenges and benefits of data consistency in a distributed system. How do various consistency models (e.g., strong consistency, eventual consistency) address these challenges?arrow_forwardDescribe the role of data consistency models (e.g., strong consistency, eventual consistency) in distributed databases and their impact on data integrity.arrow_forward
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