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From Dave Newton <d...@solaraccess.com>
Subject RE: autoincrement of non primary key
Date Thu, 04 Mar 2004 02:10:13 GMT
On Wed, 2004-03-03 at 20:52, Jeff Cox wrote:
> Dale,
>     First let me say I really appreciate you responding to my question.
> Secondly, I would agree with you and in fact considered that possibility
> early on in the design, but the truth is I need any given combination of
> (SESSION_ID, SECTION_ID, ACTIVITY_ID) to be unique. I don't know of
> another way to enforce this in the schema, except by making them the
> primary key. If there is another way to do this my problem would
> certainly be solved...

The <unique> stuff doesn't work?

Wait, you need _any_combination_ of those three values to be unique? I
don't get it. If any combination of those needs to be unique then you
only need one number.


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