Oracle Database: SQL Tuning for Developers

Duration: 3 Days

What you will learn

In the Oracle Database: SQL Tuning for Developers course, you 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. In this course,
you will be introduced to Oracle Database Exadata Express Cloud Service.

Learn To:

Use Oracle tools to identify inefficient SQL statements.
Use Automatic SQL Tuning.
Use Real Time SQL monitoring.
Write more efficient SQL statements.
Monitor and trace high load SQL statements.
Manage optimizer statistics on database objects.
Understand the optimizer process steps and operators.
Interpret execution plans.
Perform application tracing.
Gain an understanding of the Oracle Database Exadata Express Cloud Service.

Benefits To You:

Benefit from gaining a deeper understanding of Oracle SQL statement tuning and how write well-tuned SQL statements
appropriate for the Oracle database in this application development-centric course. You will learn how to decipher,
decide and then apply tuning to your SQL code. Various tuning techniques are demonstrated.

Audience

Application Developers
Data Warehouse Developer
Developer
PL/SQL Developer
Support Engineer

Related Training

Required Prerequisites
Familiarity with database architecture
Knowledge of SQL and PL/SQL
Oracle Database 12c: Introduction to SQL Ed 1.1
Suggested Prerequisites
Oracle Database: SQL Workshop I
Oracle Database: SQL Workshop I Ed 2 NEW

Course Objectives

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

Course Topics

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 Variables

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