Oracle Database Training
Oracle 12c SQL Performance Tuning
Overview
This Oracle 12c 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.
Prerequisites
A working knowledge of SQL is required. This can be obtained by attendance on the pre-requisite Oracle SQL course.
Objectives
To provide the skills needed to monitor and tune an Oracle database application.
Outline
Course Contents - DAY 2
Session 6: ADVANCED INDEXES
- Bitmap Indexes
- Key Compressed Indexes
- Index Organized Tables
- Function Based Indexes
- Invisible Indexes
Session 7: 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
Session 8: SQL TUNING ADVISOR USING SQL DEVELOPER
- Overview of the DBMS_SQL_TUNE Package
- Using the SQL Tuning Advisor with SQL Developer
Session 9: SEQUENCES AND VIEWS
- Sequence Caching
- Views
- View Merging
- Inline Views
Session 10: USING HINTS
- Using Hints to Influence Execution Plan
- Optimization Mode and Goals
- Access Methods
- Query Transformations
- Join Orders
- Join Operations
- Hint Examples
Session 11: MISCELLANEOUS
- Tips for Avoiding Problematic Queries
- Array Size
- The Shared Pool
- The WITH Clause
- Bind Variable Usage
- Result Caching
- Some Miscellaneous PL/SQL Issues