RE: Primary keys vs. unique indexes

of course you can.

to quote the 8.1.6 SQL Reference manual restrictions on foreign keys:

The referenced UNIQUE or PRIMARY KEY constraint on the parent table must already be defined.

seems to me that that is pretty clear

>From: "Koivu, Lisa" <lkoivu_at_qode.com>
>Reply-To: ORACLE-L_at_fatcity.com
>To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
>Subject: RE: Primary keys vs. unique indexes
>Date: Thu, 30 Nov 2000 09:20:22 -0800
>
>What? Yes you can. I have anyway.
>
>Can you give me an example of when that would not work?
>
>Lisa Rutland Koivu
>Oracle Database Administrator
>Qode.com
>4850 North State Road 7
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>"The information contained herein does not express the opinion or position
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>
>-----Original Message-----
>Sent: Thursday, November 30, 2000 11:51 AM
>To: Multiple recipients of list ORACLE-L
>
>
>The main difference is you can not reference an unique
>index with a foreign key.
>--- cemail_at_sprintmail.com wrote:
> >
> > What is the difference between building a table and
> > including
> > the primary key versus building the table and then
> > having creating
> > a unique index on the same keys? When you create a
> > table with
> > a primary key, doesn't Oracle store it as an index
> > anyway?
> >
> > -----
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