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What is data mapping used for?
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In computing and data management, data mapping is the process of creating data element mappings between two distinct data models. 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.
What is needed for data mapping?
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In order to figure out how the data needs to be formatted, or mapped, it is essential to build a data mapping document. The data mapping document must include specifically the source and target data mappings. It must also include the primary key of all tables in source system.
How is data mapping done?
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Data mapping in a data warehouse is the process of creating a connection between the source and target tables or attributes. Once that has been done and a data mapping document created, building the transformation rules and creating mappings is a simple process with a data mapping solution. Data mapping in a data warehouse is the process of creati