Monthly Archives: September 2016

Focus on Quality

Data Warehouse Model Quality

picture by xianrendujia via Flickr

Data warehouses have a much different architecture and different business motivations than operational applications. For example, operational applications manage the day-to-day data needed to support the business. In contrast, data warehouse restructure operational data and place it in a format amenable to data mining and deep analysis. Operational applications rapidly read and write transactions with small amounts of data. In contrast, users only read data warehouses and can have extensive queries involving large data sets running for multiple minutes.

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