A couple of IT managers recently approached me with a thorny issue. The key business sponsor for their data warehousing effort asked them if they should hold off building an enterprise data warehouse until they fixed the data quality in their source systems.

It is always positive when both the business and IT groups even think about data quality before starting a project. Whether they're working on a business intelligence (BI) project, building a data warehouse or dashboard, or getting their feet wet with corporate performance management (CPM), unresolved issues with data quality can bite them in the tail.

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