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Re: Question related to unique key
Posted by: g_p g_p
Date: March 16, 2009 03:56PM

Thanks for replying!

So that means that a primary key can never be NULL.
Is that good when creating a table in a database?
Which one is the best and more secure,primary key or unique key?

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Written By
March 16, 2009 07:43AM
Re: Question related to unique key
March 16, 2009 03:56PM

Sorry, you can't reply to this topic. It has been closed.

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