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
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
Programme scope, delivery arrangements and suitability are confirmed during enquiry.