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Question:  What is the basic difference between primary key and (unique key along with Not NULL).



April 04, 2007 00:55:23 #4
 globalanil18   Member Since: August 2006    Total Comments: 7 
RE: What is the basic difference between primary key a...
 

Hi!

Thanks for reply.

But why we define primary key. while we can use the same feature by define unique key along with not null.

Anil
     

 

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