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Oracle DBA Guide to Data Warehousing and Star Schemas

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ISBN-10: 0130325848

ISBN-13: 9780130325846

Edition: 2003

Authors: Bert Scalzo

List price: $49.99
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This book addresses all aspects of constructing star schemas within Oracle data warehouses, from modeling and design through high-speed loads and lightning fast queries. The book delivers meaningful examples complemented by empirical samples and benchmarks, such that readers will learn more than just the mechanics. This book transforms readers into subject matter experts for dimensional modeling, star schemas and data warehousing in general for the Oracle database environment. This book is based on research conducted for the multi-terabyte data warehouse for the 7-Eleven Corporation. Star schema: a data warehouse design that enhances the performance of multidimensional queries on…    
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Book details

List price: $49.99
Copyright year: 2003
Publisher: Prentice Hall PTR
Publication date: 6/4/2003
Binding: Paperback
Pages: 240
Size: 7.00" wide x 9.00" long x 0.75" tall
Weight: 1.034

Acknowledgments
Introduction
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
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
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
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
Tuning Ad-Hoc Queries
Key Tuning Requirements
Star Optimization Evolution
First-Generation
Second-Generation
Third-Generation
Fourth-Generation
Evolutionary Summary
Star Transformation Questions
Initialization Parameters
Star Schema Index Design
Cost-Based Optimizer
Some Parting Thoughts
Loading the Warehouse
What About ETL Tools?
Loading Architecture
Upstream Source Data
Transformation Requirements
Transform, Then Load
Scenario 1
Scenario 2
Scenario 3
Scenario 4
Scenario 5
Load, Then Transform
Deploying the Loading Architecture
Implementing Aggregates
What Aggregates to Build?
Loading Architecture
Aggregation by Itself
Scenario 1
Scenario 2
Scenario 3
Use Materialized Views
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
Operational Issues and More
Backup and Recovery
Space Management
Extent Management
Updates and Patches
Index
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