Oracle Courses

Enliten IT partner with StayAhead Training to deliver an extensive range of 18c Oracle courses targeted at ensuring delegates, from programmers to administrators, can perform their job roles successfully.  We’ll teach you how to administer, configure, secure, backup, manage storage and maintain databases.  SQL reporting courses are also available.

Other, not so popular, Oracle training courses (e.g. Oracle e-Business Suite 11i / R12 and Oracle 12c) are also available so if you don’t find what you are looking for in the list below then please contact us.

Note: All Oracle workshops can be modified or tailored for delivery, at your own offices, anywhere within the UK.

ORACLE 18c SQL Performance Tuning course
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ORACLE 18c SQL Performance Tuning course

2 days

This Oracle 18c SQL Performance Tuning course introduces the delegate to the main concepts of Oracle SQL performance tuning. It is designed to give delegates practical experience in analysing and tuning the performance of SQL.

Delegate will learn and practice:

  • 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
  • Identifying SQL Statements that Perform Badly
  • Using Hints to Influence Execution Plan
  • Identifying Unused Indexes

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What will you learn?

On completion of this ORACLE 12c SQL Performance Tuning course delegates will have the knowledge to maximise the performance of the data retrieval components of their business systems.  

Audience?

SQL programmers, application developers, designers and technical support professionals required to tune the performance of an Oracle application running under Oracle Database.

Course Contents


INTRODUCTION TO PERFORMANCE TUNING

  • Tuning Overview of Oracle Database Tuning
  • Application Developer Tuning Responsibilities
  • Oracle DBA Tuning Responsibilities
  • Oracle Tuning Process
  • Plan a Routine Monitoring Regime
  • Setting Suitable Goals
  • Syntax Considerations

TOOLS FOR EVALUATING SQL STATEMENTS

  • Overview of SQL Statement Tuning
  • Tools to Assist in SQL Tuning
  • Use Explain Plan, Autotrace and SQL Trace to Examine the Execution of a SQL Statement
  • Interpreting a SQL Trace

THE SQL OPTIMIZER

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

SORTS

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

INDEXES

  • Index Overview
  • Selecting Suitable Columns for an Index
  • B*Tree Indexes
  • Rebuild an Index
  • Create Multiple Indexes on the Same Column
  • Composite Indexes
  • Descending Indexes
  • Access Paths with Indexes
  • Index Scans
  • Conditions That Stop Indexes Being Used
  • Parameters that Affect Optimizer Index Choice

ADVANCED INDEXES

  • Bitmap Indexes
  • Key Compressed Indexes
  • Index Organized Tables
  • Function Based Indexes
  • Invisible Indexes
  • Table Partitioning
  • Serial Direct Path Reads
  • Advanced Index Compression

JOIN OPERATIONS

  • 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 USING SQL DEVELOPER

  • Overview of the DBMS_SQL_TUNE Package
  • Using the SQL Tuning Advisor with SQL Developer

SEQUENCES AND VIEWS

  • Sequence Caching
  • Views
  • View Merging
  • Inline Views

USING HINTS

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

MISCELLANEOUS

  • Tips for Avoiding Problematic Queries
  • Oracle 12.2 SQL*Plus Performance Setting Options
  • Array Size
  • The Shared Pool
  • Intelligent Cursor Sharing
  • Virtual Columns
  • The WITH Clause
  • Bind Variable Usage
  • Result Caching
  • Approximate Query Processing
  • Reduce Cursor Invalidations for DDLs
  • Some PL/SQL Performance Issues

Course Materials

Enliten IT will provide each delegate with a workbook and other useful reference materials where applicable.
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Prerequisites

A working knowledge of SQL is required.


Additional Information

Enliten IT reserves the right to modify course content and materials as required in the interests of continuous course improvement, at any time, without notification. Note:  This ORACLE 18c SQL Performance Tuning course is run on a public schedule or can be taken as a private in-house company course UK wide.   For pricing and availability just pick up the phone and call us on 0845 1085481.  

Contact us to discuss your training needs...

0845 108 5481 0845 108 5481
info@enliten-it.com info@enliten-it.com