Tutorials and Online Training Videos

Oracle: Performance Tuning (1Z0-033) Tutorial

author, Gavin Powell, covers material in the 1Z0-033 Oracle 9i tuning certification examination, including the basics of performance tuning and tuning tools. Memory tuning covers the shared pool, the database buffer cache and other buffers. From an I/O perspective, topics covered are physical file structures of the database, tablespaces, datafiles and at the block level. Also covered are sorting, locking, latches and wait events, shared or dedicated server processes, statistics, SQL code tuning and resource management. There is also brief coverage of tuning in the operating system, plus specialized objects use. To begin learning today, simply click on one of the Oracle Performance Tuning (1Z0-033) lessons.


Prerequisites for this Course
About this Course pt. 1
About this Course pt. 2
Oracle Tuning Documentation

What is Performance Tuning?

Who Tunes and What Do They Tune?
The Different Stages of Tuning
Statistics and Performance Evaluation
Goal Oriented Tuning
Common Problems pt. 1
Common Problems pt. 2
Performance Versus Integrity
Oracle Enterprise Manager (OEM)

Performance Tools

The Alert Log
Process Trace Files
User Trace Files
Setting Up Tracing
Manually Collecting Statistics
STATSPACK and Collecting Statistics
Collecting Statistics in OEM
Introducing the Wait Event Interface
What to Tune

Tuning the Shared Pool

The Shared Pool
Shared Pool Efficiency
Shared Pool and Reserved Shared Pool
Library and Dictionary Cache Hit Ratios
Pinning Objects in the Shared Pool
The Large Pool
Caching Cursors
OEM and the Shared Pool
Performance Views

The Database Buffer Cache

Database Buffer Cache Efficiency
OLTP Versus Data Warehouse
Configure the Database Buffer Cache
Examine the Database Buffer Cache
The Buffer Cache Hit Ratio
Processes and the Buffer Cache
How to Tune Buffer Cache
How Else to Tune Buffer Cache
Free List Contention
Multiple Database Writers and Slaves
Monitor Buffer Cache and Subset Pools
OEM and the Database Buffer Cache
Performance and Metadata Views

Other Buffers

Tuning the Redo Log Buffer
Sizing the Redo Log Buffer
The Java Pool
Configuring Automatic PGA Memory
Configuring Manual PGA Memory
Tuning PGA Memory
Changing SGA Memory Online
Changing Non SGA Memory Online
Performance Views

Tuning I/O: Physical File Structures

Control Files and Recoverability
Distribution of Database Files
Dividing Data Across Tablespaces
Oracle Partitioning
Tablespace Storage Structures
Dictionary Managed Tablespaces
Locally Managed Tablespaces
Finding Tablespace Problems
Redo and Archive Log Files pt. 1
Redo and Archive Log Files pt. 2
Physical Structures in OEM
Performance Views
Metadata Views

Tuning I/O at the Block Level

Extents and Blocks
The High Water Mark
Reclaiming Unused Space
Row Chaining and Row Migration
Reorganizing Indexes
Detecting Problems With Indexes
Metadata Views

Tuning Sorts

How Does Sorting Work?
Which SQL Code Causes Sorting?
Demonstrating SQL Code Sorting
Sorting in Memory and on Disk
Analyzing Sorting
Minimizing Sorting
Sorting in OEM
Performance Views

Locking Issues

Locking Levels
Types of Contention pt. 1
Types of Contention pt. 2
Types of Locks
Detecting Lock Contention
How to Avoid Locking
Lock Monitoring and Removal in OEM
Performance and Metadata Views pt. 1
Performance and Metadata Views pt. 2

Latches and Wait Events

What is a Latch?
Different Types of Latches
Shared Pool Latches pt. 1
Shared Pool Latches pt. 2
Database Buffer Cache Latches pt. 1
Database Buffer Cache Latches pt. 2
Database Buffer Cache Latches pt. 3
Redo Log Latches
Session Connection Latches
Latch Spins, Misses and Sleeps
Latch Miss Rate
Latch Miss Total Time
What is a Wait Event?
Idle Wait Events
Querying Significant Wait Events
Wait Events in an Active Database
Analyzing Significant Wait Events
The Wait Event Interface
The Wait Event Interface in OEM
Performance Views

Shared Servers and Dedicated Servers

Tuning Oracle Net Services
Shared Versus Dedicated Servers
Shared Server Configuration
Oracle Net Manager in OEM
Wait Events and Performance Views pt. 1
Wait Events and Performance Views pt. 2


What are Statistics?
The Importance of Realistic Statistics
Statistics and OPTIMIZER_MODE
Statistics and CURSOR_SHARING
CBO Parameters pt. 1
CBO Parameters pt. 2
CBO Parameters pt. 3
Gathering Statistics using ANALYZE
Histograms and the ANALYZE Command
Gathering Statistics using DBMS_STATS
Gathering Statistics using OEM
Installing and Using STATSPACK
Metadata Views

Applications and Specialized Objects

Database Type Requirements
Oracle Special Storage Structures pt. 1
Oracle Special Storage Structures pt. 2
Applying Storage Structures
Creating BTree and Bitmap Indexes Syntax
Creating BTree and Bitmap Indexes Examples
Creating Index Organized Tables
Creating Clusters
Creating Materialized Views
Oracle Partitioning Methods Syntax
Oracle Partitioning Methods Examples pt. 1
Oracle Partitioning Methods Examples pt. 2
Metadata Views

SQL Code Tuning

Building Efficient SQL Code
Tuning Query Clauses pt. 1
Tuning Query Clauses pt. 2
Tuning Query Clauses pt. 3
Other Factors pt. 1
Other Factors pt. 2
SQL Code Execution Process
The Optimizer and What It Does
The Internal Machinations of the Optimizer pt. 1
The Internal Machinations of the Optimizer pt. 2
Types of Hints
Influence the Optimizer pt. 1
Influence the Optimizer pt. 2
Alter Table Scans
Alter Index Scans pt. 1
Alter Index Scans pt. 2
Modify Joins pt. 1
Modify Joins pt. 2
Perform SQL in Parallel
Change Queries and Subqueries
Finding Queries with Problems
Autotrace in SQL*Plus
SQL Trace and TKPROF pt. 1
SQL Trace and TKPROF pt. 2
Finding Bad Queries in OEM
Plan Stability and Stored Outlines
Performance and Metadata Views

Resource Management

The Oracle Resource Manager
Resource Manager Components
Resource Plan Directives
Create Groups and Plans and Allocate
Metadata and Performance Views

The Operating System

Basic Operating System Tuning
Virtual Memory/Paging/Swapping
What Determines I/O Distribution?
Database Function and Methods of Distribution
Oracle Database File Types Distribution
Database Block Size
Resource Consumption in OEM


Wrapping it All Up!


About the Author

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