Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
11th Edition
ISBN: 9781285196145
Author: Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher: Cengage Learning
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Chapter 12, Problem 12RQ

Explanation of Solution

Query optimization functions:

The objective of query optimization functions helps to reduce the costs related to database request execution.

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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Students have asked these similar questions
Describe query optimization and the modes that an optimizer can operate in.
How does a distributed query optimization differ from centralized query optimization, and what strategies are employed to optimize distributed queries?
What are the primary impediments to distributed query optimization?
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