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Oracle Database: SQL Tuning for Developers

• کد دوره : OR134
• مدت دوره : 24 ساعت
• شهریه : 11.000.000 ریال
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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.


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.

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:

  • Oracle Database: PL/SQL Fundamentals
  • Knowledge of SQL and PL/SQL
  • Oracle Database 12c: Introduction to SQL Ed 1.1 NEW

Suggested Prerequisites:

  • Oracle Database: SQL Workshop I 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

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

 

 


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مشتریان

شرکت ملی پالایش و پخش فرآورده های نفتی ایران شرکت مخابرات ایران بانک تجارت سازمان راهداری و حمل و نقل جاده ای شرکت پتروشیمی شازند بانک مسکن سایپا بانک پارسیان نیروی انتظامی جمهوری اسلامی ایران موسسه مالی و اعتباری کارسازان آینده ایساکو مگفا تعاونی اعتبار ثامن الائمه همراه اول شرکت داده ورزی سداد