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Oracle DBA guide to data warehousing and star schemas
The Prentice Hall PTR Oracle Series
About Prentice Hall Professional Technical Reference
Acknowledgments
Introduction
Purpose
Audience
Chapter 1. What Is a Data Warehouse?
The Nature of the Beast
Data Warehouse vs. Big Database
Operational Data Stores Don't Count
Executive Information Systems Don't Count
Warehouses Evolve without Phases
The Warehouse Roller Coaster
Chapter 2. Software Architecture
Business Intelligence Options
Oracle Version Options
Oracle Instance Options?Querying
Oracle Instance Options?Loading
Recommended Oracle Architecture
Great Operating System Debate
The Great Programming Language Debate
The Serial vs. Parallel Programming Debate
Chapter 3. Hardware Architecture
Four Basic Questions
How Many CPUs?
How Much Memory?
How Many of What Disks?
Recommended Hardware Architecture
The Great Vendor Debate
The 32- vs. 64-Bit Oracle Debate
The Raw vs. Cooked Files Debate
The Need for Logical Volume Managers
Chapter 4. Star Schema Universe
The Rationale for Stars
Star Schema Challenges
Modeling Star Schemas
Avoid Snowflakes
Dimensional Hierarchies
Querying Star Schemas
Fact Table Options
When Stars Implode
Chapter 5. Tuning Ad-Hoc Queries
Key Tuning Requirements
Star Optimization Evolution
Star Transformation Questions
Initialization Parameters
Star Schema Index Design
Cost-Based Optimizer
Some Parting Thoughts
Chapter 6. Loading the Warehouse
What About ETL Tools?
Loading Architecture
Upstream Source Data
Transformation Requirements
Method 1: Transform, Then Load
Method 2: Load, Then Transform
Deploying the Loading Architecture
Chapter 7. Implementing Aggregates
What Aggregates to Build?
Loading Architecture
Aggregation by Itself
Use Materialized Views
Chapter 8. Partitioning for Manageability
A Plethora of Design Options
Logical Partitioning Design
Simple Partitioning in 8i
Simple Partitioning in 9i
Complex Partitioning in 8i
Complex Partitioning in 9i
Partition Option Benchmarks
Chapter 9. Operational Issues and More
Backup and Recovery
Space Management
Extent Management
Updates and Patches
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