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Re: Primary Key/Unique Key?

From: Connor McDonald <connor_mcdonald_at_yahoo.com>
Date: Tue, 07 Dec 1999 21:32:56 +0800
Message-ID: <384D0C88.328@yahoo.com>


Dave wrote:
>
> Whats the difference between making something
> a primary key and making something a unique key.
> From Oracles point of view that is.
> Dave

Unique means that IF you give a value, then it must be unique. Primary means you MUST give a value always, and it must be unique. --



Connor McDonald
"These views mine, no-one elses etc etc" connor_mcdonald_at_yahoo.com

"Some days you're the pigeon, and some days you're the statue." Received on Tue Dec 07 1999 - 07:32:56 CST

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