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Re: orace sql query

From: DA Morgan <damorgan_at_psoug.org>
Date: Sun, 24 Jun 2007 09:49:42 -0700
Message-ID: <1182703782.957324@bubbleator.drizzle.com>


hpuxrac wrote:

> Does it work either way ( having a primary key define on either a
> unique or non unique index )?

That is what my demo clearly showed. Deferrable primary key and unique constraints use NON-unique indexes. The index can NOT be enforcing uniqueness and it sure can't be enforcing a NOT NULL condition.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu (replace x with u to respond)
Puget Sound Oracle Users Group
www.psoug.org
Received on Sun Jun 24 2007 - 11:49:42 CDT

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