Modern Database Management (12th Edition)
12th Edition
ISBN: 9780133544619
Author: Jeffrey A. Hoffer, Ramesh Venkataraman, Heikki Topi
Publisher: PEARSON
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Chapter 5, Problem 5.16RQ
Explain the reasons why some experts are against the practice of denormalization.
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Explain the reasons why some experts are against the practice of denormalization.
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Chapter 5 Solutions
Modern Database Management (12th Edition)
Ch. 5 - Prob. 5.1RQCh. 5 - Prob. 5.2RQCh. 5 - Prob. 5.3RQCh. 5 - Prob. 5.4RQCh. 5 - Prob. 5.5RQCh. 5 - Prob. 5.6RQCh. 5 - Prob. 5.7RQCh. 5 - Prob. 5.8RQCh. 5 - Explain why you sometimes have to reserve much...Ch. 5 - Why are field values sometimes coded?
Ch. 5 - Prob. 5.11RQCh. 5 - Prob. 5.12RQCh. 5 - Explain why normalized relations may not comprise...Ch. 5 - Prob. 5.14RQCh. 5 - List three common situations that suggest that...Ch. 5 - Explain the reasons why some experts are against...Ch. 5 - Prob. 5.17RQCh. 5 - Prob. 5.18RQCh. 5 - Prob. 5.19RQCh. 5 - Prob. 5.20RQCh. 5 - Prob. 5.21RQCh. 5 - State nine rules of thumb for choosing indexes.Ch. 5 - One of the strongest recommendations regarding...Ch. 5 - Explain why an index is useful only if there is...Ch. 5 - Indexing can clearly be very beneficial. Why...Ch. 5 - Consider the following two relations for...Ch. 5 - Prob. 5.28PAECh. 5 - Prob. 5.29PAECh. 5 - Prob. 5.30PAECh. 5 - Prob. 5.31PAECh. 5 - Suppose you are designing a default value for the...Ch. 5 - When a student has not chosen a major at a...Ch. 5 - Prob. 5.34PAECh. 5 - Prob. 5.35PAECh. 5 - Consider the relations in Problem and Exercise...Ch. 5 - Prob. 5.37PAECh. 5 - Prob. 5.38PAECh. 5 - Prob. 5.39PAECh. 5 - Prob. 5.40PAECh. 5 - Prob. 5.41PAECh. 5 - Consider the relations specified in Problem and...Ch. 5 - Prob. 5.43PAECh. 5 - Prob. 5.44PAECh. 5 - Prob. 5.45PAECh. 5 - Prob. 5.46PAECh. 5 - Prob. 5.47PAECh. 5 - Problems and Exercises 8-65 through 8-68 refer to...Ch. 5 - Refer to the large Pine Valley Furniture Company...Ch. 5 - Problems and Exercises 8-65i5 through 8-68 refer...Ch. 5 - Refer to Figure 4-5 0. For each of the following...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- How does it effect your database if its referential integrity is not maintained? What kind of mistakes are more likely to occur?arrow_forwardWhat happens if the referential integrity of your database isn't maintained?What types of mistakes are more likely to happen?arrow_forwardWhat happens if the referential integrity of your database is not upheld? What mistakes are more likely to happen?arrow_forward
- What results may you expect if you do not strictly adhere to the referential integrity of your database? What are the errors that people make the most frequently?arrow_forwardWhat should be done first in order to put a fix for damaged data into practise?arrow_forwardSome database administration experts are against denormalization for this same reason.arrow_forward
- What are a few of the benefits of data profiling?arrow_forwardWhat happens if your database does not enforce referential integrity?What types of errors are more likely to occur?arrow_forwardExplain the concept of database normalization anomalies. Provide examples of insertion, update, and deletion anomalies, and how these can be mitigated.arrow_forward
- What happens if your database does not enforce referential integrity? What kind of mistakes are more likely to occur?arrow_forwardWhat are the reasons why some database administrators are resistant to denormalization?arrow_forwardWhat are the importance of data validation. What happens if you do not ensure your data is correct prior to entering it in the database? What are some methods for data validation?arrow_forward
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