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Unique Identifier (UID)

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Unique Identifier (UID) - Unique identifiers enable us to answer the question; "what is it, with respect to this business, that makes one occurrence of a data entity uniquely different from every other occurrence of that data entity?" If we know this then we will have the unique identifier for that data entity.

John Owens, 01 September 2009 08:43:18, www.integrated-modeling- Externalmethod.com/data-modeling/unique-keys-are-the-primary-cause-of-duplication-in-databases


Data Quality Glossary.  A free resource from GRC Data Intelligence. For comments, questions or feedback: dqglossary@grcdi.nl