Why do we use Surrogate Key?

Rajesh Swarnkar

• Feb 28th, 2012

Usually Surrogate keys are System Generated keys that can be used in place of missing primary key.

sadique_ghitm

 Profile Answers by sadique_ghitm Questions by sadique_ghitm

• Nov 25th, 2011

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. A surrogate repres...

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