Enterprises are increasingly information centric, and recent trends reveal that most competitive businesses require external data in their enterprise data warehouse to strategically position themselves in the market. This article touches upon a few critical challenges specific to integrating data from external systems as well as best practices and considerations to do so successfully.

Most enterprise-wide data warehouses are built by integrating data from the sources within the enterprise. Sometimes reference data from an external system is stored within the EDW. In recent years, because outsourcing has become the norm for cost-effective operations, integration of data from third-party suppliers has become essential for seamless operational efficiency. The wealth of information available from research firms and marketplace transactions is becoming integral to businesses’ strategic decision-making, and as a result, this data finds its place in enterprise data warehousing. In simple terms, the boundary of an enterprise has widened as organizations have become increasingly information driven.

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