Oracle 11g Release 2 SQL Performance Tuning
Course
In London-City
Description
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Type
Course
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Location
London-city
This Oracle 11g Release 2 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. This course is suitable for users of Oracle Database 11g and Oracle Database 12c. Who will the Course Benefit?The Oracle 11g Release 2 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. Learning Objectives This Oracle 10g SQL Performance Tuning course introduces the delegate to the main concepts of Oracle SQL performance tuning. It is designed to giv Skills GainedThe delegate will practise:Selecting an Appropriate SQL Tuning ApproachTuning Database Applications for Optimal PerformanceManaging StatisticsCreating and Using IndexesStructuring SQL Statements for PerformanceExamining and Interpreting the Execution Plan of a SQL Statement using EXPLAIN PLANExamining the Efficiency of SQL Statements using SQL Trace and AutotraceUsing the SQL Tuning AdvisorIdentifying SQL Statements that Perform BadlyUsing Hints to Influence Execution PlanIdentifying Unused Indexes e
Facilities
Location
Start date
Start date
About this course
A working knowledge of SQL is required. This can be obtained by attendance on the pre-requisite Oracle SQL course. Pre-Requisite Courses Oracle SQL
Reviews
Subjects
- Statistics
- Database training
- SQL
- Database
Course programme
Course Introduction
- Administration and Course Materials
- Course Structure and Agenda
- Delegate and Trainer Introductions
- Overview of Oracle Database Tuning
- Application Developer Tuning Responsibilities
- Oracle DBA Tuning Responsibilities
- Oracle Tuning Process
- Plan a Routine Monitoring Regime
- Setting Suitable Goals
- 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
- Statement Transformation
- The Optimizer_Mode Initialization Parameter
- Cost Based Optimizer
- Managing Statistics with DBMS_STATS
- Automatic Statistics Gathering
- Dynamic Statistics
- Online Statistics Gathering for Bulk Loads
- How Oracle Processes Sorts
- Temporary Disk Space Assignment
- SQL Operations that Use Sorts
- Index Overview
- Selecting Suitable Columns for an Index
- B*Tree Indexes
- Rebuild an Index
- Composite Indexes
- Descending Indexes
- Access Paths with Indexes
- Index Scans
- Conditions That Stop Indexes Being Used
- Parameters that Affect Optimizer Index Choice
Course Contents - DAY 2Session 6: ADVANCED INDEXES
- Bitmap Indexes
- Key Compressed Indexes
- Index Organized Tables
- Function Based Indexes
- Invisible Indexes
- 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
- Overview of the DBMS_SQL_TUNE Package
- Using the SQL Tuning Advisor with SQL Developer
- Sequence Caching
- Views
- View Merging
- Inline Views
- Using Hints to Influence Execution Plan
- Optimization Mode and Goals
- Access Methods
- Query Transformations
- Join Orders
- Join Operations
- Hint Examples
- Tips for Avoiding Problematic Queries
- Array Size
- The Shared Pool
- The WITH Clause
- Bind Variable Usage
- Result Caching
- Some Miscellaneous PL/SQL Issues
Oracle 11g Release 2 SQL Performance Tuning