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Technical Glossary Terms - N

The Letter N

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Find below a glossary of terms and definitions that begin with the letter N as it relates to technical definitions.

Term Description
Natural Key The identifier used by the operational systems. They may appear as dimension attributes in dimensional models but should not serve as the dimensional table primary key, which always should be a surrogate key.
Normalization The process of eliminating duplicate information in a database by creating a separate table that stores the redundant information.
Null A data field or record for which no value exists.