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Referential Integrity Constraint

What is the role of Referential Integrity Constraint in Normalization?
Asked by: leorence | Member Since Nov-2009 | Asked on: Nov 4th, 2009

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surendra

Answered On : Jan 31st, 2013

Best examples of Referential Integrity constants Primary Key And Foreign key. Primary Key constraint allow a particular attribute to be not null and unique. Where as Foreign key will be used when ever there is a need to maintain the same attribute values in the multiple tables.

  
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