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what is difference between primary key and unique key
?

Question Posted / ashish tyagi

Answer Posted / ashish tyagi

The basic difference between primary key and unique key is that unique key allows null value but primary key did not allow null value.

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Hi , any one can help me on the same,this is regarding the Informatica Function doc,i want to know how developer is will develop the mapping. pl forwar the any function doc .just for my references. svlc75@yahoo.co.in

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