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The Data Warehouse Lifecycle Toolkit by Bob Becker, Joy Mundy, Warren Thornthwaite, Margy Ross, Ralph Kimball

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Program/Project Management
BI
Application
Development
Physical
Design
ETL
Design &
Development
Dimensional
Modeling
Product
Selection &
Installation
Business
Requirements
Definition
Technical
Architecture
Design
Program/
Project
Planning
Deployment
Growth
Maintenance
BI
Application
Design
CHAPTER 4
Introducing
the Technical
Architecture
M
ost of us wouldn’t think of building a $1,000,000 custom home without
a set of blueprints. Yet, it’s quite common for people to dive right into
a DW/BI system program costing 10 times as much without any clear idea of
what they’re actually building. The most common example we see is the data
warehouse project that starts with an RDBMS running on a leftover server
from another project’s recent upgrade. It’s like saying, ‘‘Hey, I’ve got some
wood and some concrete; let’s build a house!’’ The point is you have to have a

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