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27 November, 15:34

Explain what a surrogate key is.

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  1. 27 November, 15:48
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    answer - surrogate key is a unique identifier used in databases for a modeled entity or an object. It is a unique key whose only significance is to act as the primary identifier of an object or entity and is not derived from any other data in the database and may or may not be used as the primary key.
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