Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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The reasons why using a normalised version of the Index metadata relation could result in poor performance are discussed in this article.
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- Explain the normalized form of the Index metadata link and why you can see a drop in performance if you do.arrow_forwardHow is a clustered index different from a sparse index, and what are the advantages of using one?arrow_forwardIn what way does the choice of a data typefor a field help to control the integrity ofthat field?arrow_forward
- When you say "metadata," what do you mean exactly? In the setting of a dataset, we can say the following about metadata: When might it be helpful to use information pulled from a set of results?arrow_forwardWhen you mention "metadata," what exactly do you mean? In the context of a dataset, what exactly is metadata? Does a result set's information come in use at any point?arrow_forwardThis piece explains why using a normalised version of the Index information link may lead to poor performance.arrow_forward
- Explain why utilizing the normalized Index metadata relation will result in inferior performance. Provide a normalized version of the relation.arrow_forwardHow is a clustered index made, and what are the main differences between a clustered index and a sparse index?arrow_forwardUsing a normalised version of the Index metadata relation could have a negative impact on performance.arrow_forward
- Why may using a normalized version of the Index metadata relation lead to lower performance, and what causes this?arrow_forwardThis piece explains why using a normalised version of the Index information link could lead to poor performance.arrow_forwardThe restrictions of views' usage in terms of data security are explained, along with how views might be utilized as a component.arrow_forward
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