Data integration

Data integration: The collection of data from various sources with the same significance into one uniform record. This data may be physically integrated, for example, into a data warehouse or virtually, meaning that the data will remain in the source systems, however will be accessed using a uniform view.
 
Source: Otto, Boris; Österle, Hubert: Corporate Data Quality: Prerequsite for Successful Business Models, 2015 (http://www.cdq-buch.de/)
 
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