Oracle Database – SQL Tuning for Developers

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.

Cui i se adresează?

This course is aimed at Application Developers, Data Warehouse Developers, Developers, PL/SQL Developers, and Support Engineers.

Ce veți învăța?

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
Cerințe preliminare:

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
Agenda cursului:

Materialele de curs sunt în limba Engleză. Predarea se face în limba Română.

Citește agenda cursului
Citește agenda cursului

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
Este recomandat să continui cu:

Nu există cursuri recomandate după finalizarea acestui curs.

Programe de certificare

Nu sunt programe de ceritifcare pentru acest curs.

Detalii curs

Durată
3
zile

Preț
0
EUR

Modalități de livrare
Predare în clasă, Clasă hibridă, Clasă virtuală
Nivel de specializare
5. Specialized
Într-o economie bazată pe cunoaștere, educarea și instruirea angajaților reprezintă o investiție în vederea obținerii unei performanțe îmbunătățite pe termen scurt, precum și a succesului pe termen lung al organizației.
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