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Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482

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Chapter
Section
BuyFindarrow_forward

Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482
Chapter 12, Problem 14RQ
Textbook Problem
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What issues should be considered when resolving data requests in a distributed data environment?

Program Plan Intro

Query optimization functions:

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

Explanation of Solution

Issues while resolving the data request:

A data request means either a read or write request. But, maximum requests must be read requests.

In both cases, the following are the issues while resolving the data requests in distributed data environment.

  • Data distribution
  • Data replication
  • Network and node availability

Data distribution:

In Distributed DBMS, the routines of query optimization are difficult process because DDBMS must choose database fragment from where or which to access...

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