A l’issue de cette formation Oracle, vous serez capable de :
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
- BDD & Décisionnel
- Oracle
Formation Oracle Database : SQL Tuning for Developers
Objectifs
Prérequis
Connaissance des database architecture, de SQL and PL/SQL
Avoir suivi Oracle Database : SQL Workshop ou disposer de compétences équivalentes.
Cette formation ne peut être financée que dans le cadre d’un projet d’entreprise (prise en charge entreprise ou OPCO). Les dossiers à financement personnel et CPF ne sont pas pris en compte.
Public
Développeurs d’applications, ingénieurs support, développeurs et développeurs PL/SQL
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Formations modulables
Travaux pratiques
Les Modules
de formation
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
SQL Tuning Session
SQL Tuning Strategies
Development Environments: Overview
SQLTXPLAIN (SQLT) Diagnostic Tool
Using the SQL Trace Facility : Overview
Steps Needed Before Tracing
Available Tracing Tools: Overview
The trcsess Utility
Formatting SQL Trace Files: Overview
Developing Efficient SQL statement
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
Execution Plan ?
The EXPLAIN PLAN Command
Plan Table
AUTOTRACE
V$SQL_PLAN View
Automatic Workload Repository
SQL Monitoring
Interpreting a Serial Execution Plan
Adaptive Optimizations
Row Source Operations
Main Structures and Access Paths
Full Table Scan
Indexes
Common Observations
Join Methods
Join Types
SQL operators
Other N-Array Operations
Result Cache operators
Optimizer Statistics
Types of Optimizer Statistics
Gather and Manage Optimizer Statistics : Overview
Cursor Sharing and Different Literal Values
Cursor Sharing and Bind Variables
Maintaining SQL Performance
SQL Plan Management
Workshop 1
Workshop 2
Workshop 3
Workshop 4
Workshop 5
Workshop 6 & 7
Workshop 8
Workshop 9
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