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Re: Is a primary key made of a couple columns so much better than a unique() constraint ? - Mailing list pgsql-general

From David Pradier
Subject Re: Is a primary key made of a couple columns so much better than a unique() constraint ?
Date
Msg-id 20051010151456.GA12162@clarisys.fr
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In response to Re: Is a primary key made of a couple columns so much better than a unique() constraint ?  (Martijn van Oosterhout <kleptog@svana.org>)
List pgsql-general
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> In PostgreSQL, both primary keys and UNIQUE constraints are implemented
> via UNIQUE indexes, ergo there is no difference...

Thanks Martijn, it's exactly what i wanted to know.

Best regards,
David

--
David Pradier -- Directeur Technique de Clarisys Informatique -- Chef de projet logiciels libres / open-source

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