
Contents
Preface vii
Introduction ix
1 What Is a Data Warehouse? 1
Why Should You Care?
2 Data Warehouses, Data Marts 25
What’s in a Name?
3 Myths and Misconceptions 47
What Should You Eradicate?
4 What Are Dirty Data? 69
Where Do Dirty Data Come From?
5 Politics 93
Who Owns It Anyway?
6 Politics 116
Who’s Going to Pay?
7 Project Management 152
Is It the Silver Bullet?
8 Data Modeling 186
Why Model the Data?
9 Case Studies 210
Is There a Light at the End of the Tunnel?
Glossary 229
References 237
Index 239
About the Author 245
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