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課程大綱 |
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- Oracle Database 11g: SQL Tuning Workshop (11g-TUNI
Oracle Database 11g: SQL Tuning Workshop (11g-TUNING-WRK)培訓(xùn)
培訓(xùn)大綱：
1. Exploring the Oracle Database Architecture
Oracle Database Server Architecture
Oracle Database Memory Structures
Background Process Roles
Automatic Shared Memory Management
Automated SQL Execution Memory Management
Automatic Memory Management
Database Storage Architecture
Logical and Physical Database Structures
2. Introduction to SQL Tuning
Reasons for Inefficient SQL Performance
Performance Monitoring Solutions
Monitoring and Tuning Tools
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
3. Introduction to the Optimizer
Structured Query Language
SQL Statement Representation and Implementation Processing
SQL Statement Parsing
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
4. Optimizer Operators
Row Source Operations
Main Structures and Access Paths
Full Table Scan
Indexes
Using Indexes: Considering Nullable Columns
Bitmap Indexes, Composite Indexes, and Invisible Index
Guidelines for Managing Indexes
Clusters
5. Interpreting Execution Plans
Execution Plan
Links Between Important Dynamic Performance Views
Automatic Workload Repository (AWR)
Generating SQL Reports from AWR Data
SQL Monitoring
Reading More Complex Execution Plans
Reviewing the Execution Plan
Looking Beyond Execution Plans
6. Case Study: Star Transformation
The Star Snowflake Schema Model
Execution Plan Without Star Transformation
Retrieving Fact Rows from One Dimension and All Dimensions
Joining the Intermediate Result Set with Dimensions
Using Bitmap and Join Indexes
Star Transformation
Bitmap and Join Indexes
7. Optimizer Statistics
Types of Optimizer Statistics
Multicolumn Statistics
Expression Statistics
Gathering System Statistics
Statistic Preferences
Optimizer Dynamic Sampling
Locking Statistics
8. 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
Interacting with Adaptive Cursor Sharing
9. Using Optimizer Hints
Optimizer Hints
Types of Hints
Specifying Hints
Rules for Hints
Hint Recommendations
Hint Categories
Optimization Goals and Approaches
Additional Hints
10. 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
Invoking the tkprof Utility
11. Automating SQL Tuning
Tuning SQL Statements Automatically
Application Tuning Challenges
SQL Tuning Advisor
Stale or Missing Object Statistics
SQL Statement Profiling
Plan Tuning Flow and SQL Profile Creation
Database Control and SQL Tuning Advisor
Implementing Recommendations
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