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Oracle SQL Performance Tuning

2 Day Course
Hands On
Official Oracle Curriculum
Code OSPT

Book Now - 1 Delivery Method Available:

Classroom Virtual Classroom Private Group - Virtual Self-Paced Online

Overview

This course introduces the delegate to the main concepts of Oracle SQL performance tuning.  It is designed to give delegates practical experience in analyzing and tuning the performance of SQL.  This course is suitable for users of Oracle Database 11g and Oracle Database 12c.

Objectives

The delegate will practise:

  • Selecting an Appropriate SQL Tuning Approach
  • Tuning Database Applications for Optimal Performance
  • Managing Statistics
  • Creating and Using Indexes
  • Structuring SQL Statements for Performance
  • Examining and Interpreting the Execution Plan of a SQL Statement using EXPLAIN PLAN
  • Examining the Efficiency of SQL Statements using SQL Trace and Autotrace
  • Using the SQL Tuning Advisor
  • Using SQL Plan Management
  • Identifying SQL Statements that Perform Badly
  • Managing SQL Performance through Change
  • Using Hints to Influence Execution Plan
  • Identifying Unused Indexes
View detailed Course Modules

Target Audience

The Oracle 12c SQL Performance Tuning course is designed for SQL programmers, application developers, designers and technical support professionals who are required to tune the performance of an Oracle application running under Oracle Database 11g or 12c.

Additional Information

  • Course technical content is subject to change without notice.
  • Course content is structured as sessions, this does not strictly map to course timings. Concepts, content and practicals often span sessions.

Training Partners

We work with the following best of breed training partners using our bulk buying power to bring you a wider range of dates, locations and prices.

Modules

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Introduction to Oracle Performance Tuning (5 topics)

  • Tuning Overview
  • Oracle Tuning Process
  • Planning a Routine Monitoring Regime
  • Setting Suitable Goals
  • Tips for Avoiding Problematic Queries

Miscellaneous (9 topics)

  • Tips for Avoiding Problematic Queries
  • SQL Performance Settings Options
  • Array Size
  • The Shared Pool
  • The WITH Clause
  • Bind Variable Usage
  • Result Caching
  • Approximate Query Processing
  • Some Miscellaneous PL/SQL Issues

Tools for Evaluating SQL Statements (7 topics)

  • Overview of SQL Statement Tuning
  • Tools to Assist in SQL Tuning
  • Explain Plan
  • Autotrace
  • SQL Trace
  • The tkprof Program
  • Interpreting SQL Trace

The SQL Optimizer (10 topics)

  • The SQL Optimizer
  • Statement Transformation
  • The Optimizer_Mode Initialization Parameter
  • Cost Based Optimizer
  • Managing Statistics with DBMS_STATS
  • Correlated Column Issues
  • Automatic Statistics Gathering
  • Dynamic Statistics
  • Optimizer Adaptive Parameters
  • Online Statistics Gathering for Bulk Loads

Sorts (3 topics)

  • How Oracle Processes Sorts
  • Temporary Disk Space Assignment
  • SQL Operations that Use Sorts

Indexes (6 topics)

  • Index Overview
  • B*Tree Indexes
  • Access Paths with Indexes
  • Index Scans
  • Conditions That Stop Indexes Being Used
  • Parameters Affecting Optimizer Index Choice

Advanced Indexes (6 topics)

  • Bitmap Indexes
  • Key Compressed Indexes
  • Index Organized Tables
  • Function Based Indexes
  • Descending Indexes
  • Invisible Indexes

Join Operations (10 topics)

  • Understand Access Paths
  • Joining Tables
  • Nested Loops Join
  • Merge Join
  • Cluster Join
  • Hash Join
  • Anti Join and Semi Join
  • Outer Joins
  • Star Join
  • Improve Optimization with Different Access Paths

SQL Tuning Advisor (2 topics)

  • The DBMS_SQL_TUNE Package
  • Using the SQL Tuning Advisor with SQL Developer

Sequences and Views (4 topics)

  • Sequence Caching
  • Views
  • View Merging
  • Inline Views

Using Hints (7 topics)

  • Using Hints to Influence Execution Plan
  • Optimization Mode and Goals
  • Access Methods
  • Query Transformations
  • Join Orders
  • Join Operations
  • Hint Examples

Prerequisites

A working knowledge of SQL is required. This can be obtained by attendance on the pre-requisite 3 day SQL course.

Additional Learning

The courses below may help you meet the knowledge level required to take this course. If you are unsure please ask a training advisor .

Oracle PL/SQL and SQL*Plus Training Courses

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