Identifying how records relate to a single entity, such as a customer, is called data matching, often used in data integration. The DAMA-DMBOK states: “Data matching is the process of identifying and linking records that refer to the same entity across different sources, critical for master data management and integration” (DMBOK2, Chapter 13: Data Integration and Interoperability, p. 515).
Options A, B, C, and E are incorrect: they are either not standard terms or unrelated to this process.
[Reference:DAMA-DMBOK2, Chapter 13: Data Integration and Interoperability, Section 3.3, p. 515., ]
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