The February issue of DM Review celebrated "15 Years of Excellence" with a description of developments and challenges in data warehousing. This column continues with a brief review of information quality (IQ) in data warehousing and trends that are increasing business intelligence (BI) effectiveness through proactive IQ.

Management has pent-up needs to understand how well the enterprise is operating. Operational systems support operations processes but cannot directly support the analysis of the operations. BI must deliver information in ways that support the strategic and tactical processes of understanding customer or product and service trends, including fact-based management decisions.

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