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
expand_more
expand_more
format_list_bulleted
Concept explainers
Expert Solution & Answer
Chapter 12, Problem 12RQ
Explanation of Solution
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...
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents 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?
Chapter 12 Solutions
Database Systems: Design, Implementation, & Management
Knowledge Booster
Learn more about
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
- Explain the concept of distributed query processing and optimization. What techniques are commonly used for optimizing distributed queries?arrow_forwardDescribe the concept of distributed query optimization and the factors that influence it.arrow_forwardList three factors that need to be considered in query optimization for mobile computing that are not considered in traditional query optimizers.arrow_forward
- Explain the concept of distributed query optimization. How do query planners in distributed DBMS optimize query execution across multiple nodes?arrow_forwardExplain the concept of indexing in databases and its role in query optimization.arrow_forwardWhat are the principles of query optimization in database systems? How can query execution plans be improved?arrow_forward
- Explain the significance of distributed query optimization and the challenges involved in optimizing queries across multiple nodes.arrow_forwardHow does index hunting aid in query performance optimization?arrow_forwardHow can data dictionaries assist in the optimization of query performance?arrow_forward
- Explain the concept of distributed query processing and how it is different from centralized query processing. Provide an example scenario.arrow_forwardWhy is "query optimization" critical when connecting applications to databases?arrow_forwardWhat precisely do you mean by "query optimization?"arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781285196145Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos CoronelPublisher:Cengage LearningDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781305627482Author:Carlos Coronel, Steven MorrisPublisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...
Computer Science
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
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning