Course Objectives

Upon completion of the course, students will be able to:

• Interpret query execution plans and different ways of accessing data.
• Decrypt, make optimization decisions, then apply settings in SQL code.
• Use a variety of customization methods. Take advantage of bind variables, trace files, and use different types of indexes.
• Use different access data paths for better code optimization.

Prerequisites:

• Oracle Database 19c: SQL Workshop course or equivalent knowledge

Course Topics

1. Course Introduction

• Course Introduction
• Workshop 1: Enhancing the Performance of a SQL Query Statement

2. Introduction to SQL Tuning

• Introduction to SQL Tuning
• Quick Solution Strategy
• Workshop 2: Reviewing the Execution Steps of the SQL Statement
• Practice 2-1: Using SQL Developer

3. Using Application Tracing Tools

• Using Application Tracing Tools
• trcsess Utility
• Workshop 3: Learn to Tune Sort Operation Using an Index in the ORDER BY Clauses
• Practice 3-1: Tracing Applications (Part 01)
• Practice 3-1: Tracing Applications (Part 02)

4. Optimizer Fundamentals

• Optimizer Fundamentals
• Query Estimator: Selectivity and Cardinality
• Plan Generator
• Workshop 4: Identifying and Tuning a Poorly Written SQL Statement
• Practice 4-1: Understanding Optimizer Decisions (Optional)

5. Generating and Displaying Execution Plans

• Generating and Displaying Execution Plans
• AUTOTRACE
• Automatic Workload Repository
• Workshop 5: Effects of Changing the Column Order in a Composite Index
• Practice 5-1: Extracting an Execution Plan by Using SQL Developer
• Practice 5-2: Extracting Execution Plans

6. Interpreting Execution Plans and Enhancements

• Interpreting Execution Plans and Enhancements
• Workshop-6: Using Information in the 10053 File to Tune a SQL Statement
• Practice 6-1: Using Dynamic Plans

7. Optimizer: Table and Index Access Paths

• Optimizer: Table and Index Access Paths
• Indexes: Overview
• Bitmap Indexes
• Common Observations
• Workshop 7: Understanding the Optimizer’s Decision
• Practice 7-1: Using Different Access Paths (Part 01)
• Practice 7-1: Using Different Access Paths (Part 02)
• Practice 7-1: Using Different Access Paths (Part 03)
• Practice 7-1: Using Different Access Paths (Part 04)

8. Optimizer: Join Operators

• Optimizer: Join Operators
• Workshop 8: Tuning Strategy
• Practice 8: Using Join Paths

9. Other Optimizer Operators

• Other Optimizer Operators
• Workshop 9: Using SQL Plan Baseline to Manage a Better Execution Plan
• Practice 9-1: Using the Result Cache
• Practice 9-2: Using Other Access Paths (Optional)

10. Introduction to Optimizer Statistics Concepts

• Introduction to Optimizer Statistics Concepts
• Column Statistics: Histograms
• Session-Specific Statistics for Global Temporary Tables
• Practice 10-1: Index Clustering Factor
• Practice 10-2: Creating Expression Statistics
• Practice 10-3: Enabling Automatic Statistics Gathering Optional (Part 01)
• Practice 10-3: Enabling Automatic Statistics Gathering Optional (Part 02)
• Practice 10-4: Using System Statistics (Optional)

11. Using Bind Variables

• Using Bind Variables
• Cursor Sharing Enhancements
• Practice 11-1: Using Adaptive Cursor Sharing
• Practice 11-2: Using CURSOR_SHARING (Optional)

12. SQL Plan Management

• SQL Plan Management
• Configuring SQL Plan Management
• Possible SQL Plan Manageability Scenarios
• Practice 12-1: Using SQL Plan Management SPM (Part 01)
• Practice 12-1: Using SQL Plan Management SPM (Part 02)

13. Workshops

• Workshops