Identificare i problemi nelle istruzioni SQL
Modificare un'istruzione SQL per eseguirla al meglio
Effettuare la traccia di un'applicazione
Capire come il Query Optimizer prende decisioni sulle modalità di accesso ai dati
Interpretare i piani di esecuzione
Utilizzare hint di ottimizzazione efficace
Generare un test di carico
Prerequisiti obbligatori:
Oracle Database: Introduction to SQL
Prerequisiti suggeriti :Oracle Database: SQL Fundamentals I
Exploring the Oracle Database Architecture
Oracle Database Server Architecture: Overview
Oracle Database Memory Structures: Overview
Background Process Roles
Automatic Shared Memory Management
Automated SQL Execution Memory Management
Automatic Memory Management
Database Storage Architecture
Logical and Physical Database Structures
Introduction to SQL Tuning
Reasons for Inefficient SQL Performance
Performance Monitoring Solutions
Monitoring and Tuning Tools: Overview
EM Performance Pages for Reactive Tuning
CPU and Wait Time Tuning Dimensions
Scalability with Application Design, Implementation, and Configuration
Common Mistakes on Customer Systems
Proactive Tuning Methodology
Introduction to the Optimizer
Structured Query Language
SQL Statement Representation, Implementation & Processing: Overview
SQL Statement Parsing: Overview
Why Do You Need an Optimizer?
Optimization During Hard Parse Operation
Cost-Based Optimizer
Controlling the Behavior of the Optimizer
Optimizer Features and Oracle Database Releases
Optimizer Operators
Row Source Operations
Main Structures and Access Paths
Full Table Scan
Indexes: Overview
Using Indexes: Considering Nullable Columns
Bitmap Indexes, Composite Indexes &Invisible Index
Guidelines for Managing Indexes
Clusters
Interpreting Execution Plans
Execution Plan
Links Between Important Dynamic Performance Views
Automatic Workload Repository (AWR)
Generating SQL Reports from AWR Data
SQL Monitoring: Overview
Reading More Complex Execution Plans
Reviewing the Execution Plan
Looking Beyond Execution Plans
Case Study: Star Transformation
The Star & Snowflake Schema Model
Execution Plan Without Star Transformation
Retrieving Fact Rows from One Dimension All Dimensions
Joining the Intermediate Result Set with Dimensions
Using Bitmap Join Indexes
Star Transformation
Bitmap Join Indexes
Optimizer Statistics
Optimizer Statistics & Types of Optimizer Statistics
Multicolumn Statistics: Overview
Expression Statistics: Overview
Gathering System Statistics
Statistic Preferences: Overview
Optimizer Dynamic Sampling: Overview
Locking Statistics
Using Bind Variables
Cursor Sharing and Different Literal Values
Cursor Sharing and Bind Variables
Bind Variables in SQL*Plus & Enterprise Manager
Cursor Sharing Enhancements
Adaptive Cursor Sharing: Overview
Interacting with Adaptive Cursor Sharing
Using Optimizer Hints
Optimizer Hints: Overview
Types of Hints
Specifying Hints
Rules for Hints
Hint Recommendations
Hint Categories
Optimization Goals and Approaches
Additional Hints
Application Tracing
End-to-End Application Tracing Challenge
Location for Diagnostic Traces
What Is a Service?
Use Services with Client Applications
Trace Your Own Session
SQL Trace File Contents
Formatting SQL Trace Files: Overview
Invoking the tkprof Utility
Automating SQL Tuning
Tuning SQL Statements Automatically
Application Tuning Challenges
SQL Tuning Advisor: Overview
Stale or Missing Object Statistics
SQL Statement Profiling
Plan Tuning Flow and SQL Profile Creation
Database Control and SQL Tuning Advisor
Implementing Recommendations
Oracle Database 11g: Performance Tuning DBA Release 2
Oracle Database 11g: Performance Tuning
Oracle Database 11g: SQL Tuning Workshop - Self-Study Course