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Data mapping is used as a first step for a wide variety of data integration tasks including:

Data transformation or data mediation between a data source and a destination

Identification of data relationships as part of data lineage analysis

Discovery of hidden sensitive data such as the last four digits social security number hidden in another user id as part of a data masking or de-identification project

Consolidation of multiple databases into a single data base and identifying redundant columns of data for consolidation or elimination

For example, a company that would like to transmit and receive purchases and invoices with other companies might use data mapping to create data maps from a company’s data to standardized ANSI ASC X12 messages for items such as purchase orders and invoices.

via Data mapping – Wikipedia, the free encyclopedia.

 

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