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

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Introduction
Remarkable transformations have occurred in the nine years since the first
edition of The Data Warehouse Lifecycle Toolkit was published. The data ware-
house industry has reached full maturity and acceptance across the business
world. Hardware and software have made mind boggling advances in these
nine years. We have replaced ‘‘gigabytes’’ with ‘‘terabytes’’ in all our conver-
sations. Yet somehow the data warehousing task has remained fundamentally
unchanged.
Many of you have thousands of data warehouse users in your organiza-
tions. You have welcomed operational decision makers to the ranks of data
warehouse users to accompany the original cadres of marketing and finance
users. In fact, operational urgencies are the hottest aspects of data warehous-

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