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Troubleshooting Oracle Performance, Second Edition
book

Troubleshooting Oracle Performance, Second Edition

by Christian Antognini
June 2014
Intermediate to advanced content levelIntermediate to advanced
740 pages
23h 59m
English
Apress
Content preview from Troubleshooting Oracle Performance, Second Edition

CHAPTER 11

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SQL Optimization Techniques

Whenever the query optimizer is unable to automatically generate an efficient execution plan, some manual optimization is required. For that purpose, Oracle Database provides several techniques, summarized in Table 11-1. The goal of this chapter isn’t only to describe these techniques in detail but to explain what each technique can do for you and in which situations you can take advantage of them. To choose one of them, it’s essential to ask yourself three basic questions:

  • Is the SQL statement known and static?
  • Should the measures to be taken have an impact on a single SQL statement or on all SQL statements ...
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Publisher Resources

ISBN: 9781430257585Purchase book