Definition of Surrogate key
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Surrogate key Definition from Language, Idioms & Slang Dictionaries & Glossaries
hEnglish - advanced version
a unique primary key generated by the rdbms that is not derived from any data in the database and whose only significance is to act as the primary key.
Surrogate key Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
A surrogate key in a database is a unique identifier for either an entity in the modeled world or an object in the database. The surrogate key is not derived from application data.
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