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Key Data Element Code (KEY)

January 03, 2014  |   Posted by :   |     |   Comments Off on Key Data Element Code (KEY)»


Definition: An indicator that identifies key and mandatory data within a data table. The indicators are “P” , primary key, “F”, foreign key, “U”, unique data element, or “M”, mandatory, non-identifying data element. Key and unique data element data cannot have a null value (unless specified in the business rules) when attempting to establish a data row in a given data table.


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