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Can unique key be used as foreign key?

Asked By: Rehan Naqvi | Asked On: May 28th, 2008

Can unique key be used as foreign key? What is the difference between primary key and unique key?

Answered by: Deepak Khare on: Jan 22nd, 2012

Answer is Yes. You can find details here http://msdn.microsoft.com/en-us/library/ms175464(v=SQL.90).aspx

Answered by: Syed Danish Ali on: Dec 4th, 2011

Yes use it if we implement one to one relationship b/w table the foreign key is unique.

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