Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 12, Problem 12RQ
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Query optimization functions:
The objective of query optimization functions helps to reduce the costs related to
The cost related with database request is the function of,
- Cost for access time involved in accessing data which is stored on disk...
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Database Systems: Design, Implementation, & Management
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- Describe the role of distributed query optimization in a Distributed DBMS. What strategies can be employed to optimize query performance in a distributed environment?arrow_forwardWhy is it not desirable to force users to make an explicit choice of a queryprocessing strategy? Are there cases in which it is desirable for users tobe aware of the costs of competing query-processing strategies? Explain your answer.arrow_forwardExplain what are LINQ query expressions?arrow_forward
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