Data marts rarely grow up to be an enterprise data warehouse, regardless of the volume point reached. Many firms can benefit from data mart consolidation, though it is not an unconditionally positive move for all. Enterprises are driven to consider the advantages of consolidating diverse data marts into an enterprise data warehouse for a variety of reasons. The list of drivers includes business, organizational, operational and technological.

Mergers and acquisitions continue apace. The consolidation of product and customer dimensions enables cross-selling and up- selling in customer relationship management (CRM) as well as substituting information for inventory in product and supply chain applications.

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