Duración

3 días - 18 horas

Descripción

This Oracle SQL Tuning for Developers Workshop will help you explore Oracle SQL statement tuning. Learn how to write well-tuned SQL statements appropriate for the Oracle database.

Objetivos

  1. Choose an appropriate SQL tuning approach
  2. Gather and interpret session statistics using the SQL trace facility
  3. Identify the SQL statements that perform poorly
  4. Use tuning techniques to tune inefficient SQL statements
  5. Interpret Execution Plans
  6. Describe the Oracle optimizer fundamentals
  7. Manage SQL performance through changes

Contenidos del curso

Introduction

Introduction to SQL Tuning

  • Find a workaround to enhance performance
  • Analyze a poorly written SQL statement
  • Create a function based index
  • Redesign a simple table
  • Rewrite the SQL statement

Using SQL Trace Facility and TKPROF

  • Explore a trace file to understand the optimizer’s decisions

Understand Basic Tuning Techniques

  • Rewrite queries for better performance
  • Rewrite applications for better performance
  • Utilize SQL Tuning Advisor using SQL Developer 3.0

Optomizer Fundamentals

  • Explore a trace file to understand the optimizer’s decisions

Understanding Serial Execution Plans

  • Use different techniques to extract execution plans
  • Use SQL monitoring

Optimizer: Table and Index Access Paths

  • Learn about using different access paths for better optimization

Optimizer: Join Operations

  • Use different access paths for better optimization
  • Examine and use the result cache

Other Optimizer Methods

  • Use different access paths for better optimization
  • Examine and use the result cache

Optimizer Statistics

  • Analyze and use system statistics
  • Use automatic statistics gathering

Using Bind Variables

  • Use adaptive cursor sharing and bind peeking
  • Use the CURSOR_SHARING initialization parameter

SQL Plan Management

  • Use SQL Plan Management


Información extra

Learn to

  • Interpret execution plans and the different ways in which data can be accessed.
  • Decipher, decide and then apply tuning to SQL code. Use various tuning techniques.
  • Take advantage of bind variables, trace files and use the different types of indexes.
  • Use different access paths for better optimization.

Benefits to you

Ensure fast, reliable, secure and easy to manage performance. Optimize database workloads, lower IT costs and deliver a higher quality of service by enabling consolidation onto database clouds.

 

Understand Basic Tuning Techniques

Expert instructors will also teach you how to rewrite queries for better performance. Furthermore, you'll learn how to utilize SQL Tuning Advisor using SQL Developer 3.0.

Audience

  • Data Warehouse Developer
  • Database Designers
  • Developer
  • PL/SQL Developer

Related Training

Required Prerequisites

  • Oracle Database: Introduction to SQL

Información general

Área formativa

Oracle SQL / PL-SQL

Fabricante

Oracle

Metodología

Presencial

Certificación

Garantía juvenil

 

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