In this course you will learn about Oracle SQL tuning and how to apply tuning techniques to your SQL code. Learn the different ways in which data can be accessed efficiently. Durin this course, you will be introduced to Oracle Database Exadata Express Cloud Service.
This course is aimed at Application Developers, Data Warehouse Developers, Developers, PL/SQL Developers, and Support Engineers.
Upon completion you will know how to:
- Modify a SQL statement to perform at its best
- Identify poorly performing SQL
- Trace an application through its different levels of the application architecture
- Understand how the Query Optimizer makes decisions about how to access data
- Define how optimizer statistics affect the performance of SQL
- List the possible methods of accessing data, including different join methods
- Gain an understanding of the Oracle Database Exadata Express Cloud Service
Students need to have:
- Familiarity with database architecture
- Knowledge of SQL and PL/SQL
- Oracle Database 12c: Introduction to SQL Ed 1.1
- Oracle Database: SQL Workshop I
- Oracle Database: SQL Workshop I Ed 2 NEW
Introduction
- Course Objectives, Course Agenda and Appendixes Used in this Course
- Audience and Prerequisites
- Sample Schemas Used in the Course
- Class Account Information
- SQL Environments Available in the Course
- Workshops, Demo Scripts, and Code Example Scripts
- Appendices in the Course
Introduction to SQL Tuning
- SQL Tuning Session
- SQL Tuning Strategies
- Development Environments: Overview
- SQLTXPLAIN (SQLT) Diagnostic Tool
Using Application Tracing Tools
- Using the SQL Trace Facility: Overview
- Steps Needed Before Tracing
- Available Tracing Tools: Overview
- The trcsess Utility
- Formatting SQL Trace Files: Overview
Understanding Basic Tuning Techniques
- Developing Efficient SQL statement
- Scripts Used in This Lesson
- Table Design
- Index Usage
- Transformed Index
- Data Type Mismatch
- NULL usage
Tune the ORDER BY Clause
Optimizer Fundamentals
- SQL Statement Representation
- SQL Statement Processing
- Why Do You Need an Optimizer?
- Components of the Optimizer
- Query Transformer
- Cost-Based Optimizer
- Adaptive Query Optimization
Optimizer Features and Oracle Database Releases
Generating and Displaying Execution Plans
- Execution Plan?
- The EXPLAIN PLAN Command
- Plan Table
- AUTOTRACE
- V$SQL_PLAN View
- Automatic Workload Repository
- SQL Monitoring
Interpreting Execution Plans and Enhancements
- Interpreting a Serial Execution Plan
- Adaptive Optimizations
Optimizer: Table and Index Access Paths
Row Source Operations
Main Structures and Access Paths
Full Table Scan
Indexes
Common Observations
Optimizer Join Operations
- Join Methods
- Join Types
Other Optimizer Operators
- SQL operators
- Other N-Array Operations
- Result Cache operators
Introduction to Optimizer Statistics Concepts
- Optimizer Statistics
- Types of Optimizer Statistics
- Gather and Manage Optimizer Statistics: Overview
Using Bind Variables
- Cursor Sharing and Different Literal Values
- Cursor Sharing and Bind Variable
SQL Plan Management
- Maintaining SQL Performance
- SQL Plan Management
Workshops
- Workshop 1
- Workshop 2
- Workshop 3
- Workshop 4
- Workshop 5
- Workshop 6 & 7
- Workshop 8
- Workshop 9
Oracle Cloud Overview
- Introduction to Oracle Cloud & Oracle Cloud Services
- Cloud Deployment Models
- Evolving from On-premises to Exadata Express
- What is in Exadata Express?
- Exadata Express for Users & Developers
- Oracle Exadata Express Cloud Service
- Getting Started with Exadata Express
- Service Console & Web Access through Service Console
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