DATABASE SYSTEM CONCEPTS LCPO
DATABASE SYSTEM CONCEPTS LCPO
7th Edition
ISBN: 9781265586577
Author: SILBERSCHATZ
Publisher: MCG
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Chapter 25, Problem 10E
Program Plan Intro

  Database tuning:

  • Database tuning describes a group of activities that is used to optimize the performance of a database.
  • Database tuning helps to analyze all the workloads that executes against a database.
  • Database tuning helps to improve the performance of a query.
  • It also improves the response time of a transaction or a transaction throughput.

Explanation of Solution

Examples on how tuning can be done

  • The first example for tuning the schema and relational schema is to consider a course relation in a university database.
  • This relation can be split into two relations.
  • Another example for tuning the schema and relational schema is to consider a case where natural join of two relations account and deposit is required in a bank database.
  • An example for tuning the buffer manager and transaction manager includes queries that computes tax deducted from account relation are best run at night.
  • At this time no update to a customer’s account will be allowed...

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