Re: primary keys

From: Huub <v(dot)niekerk(at)freeler(dot)nl>
To: pgsql-sql(at)postgresql(dot)org
Subject: Re: primary keys
Date: 2002-11-07 14:29:35
Message-ID: aqdtbn$1vnl$1@news.hub.org
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terry(at)greatgulfhomes(dot)com wrote:

> A table can only have ONE primary key. It can have additional indexes
> with
> a UNIQUE restriction, thereby forcing the second field to be as good as a
> primary key.
>
> That is probably what you are looking for, however, you can also in PG
> Admin
> II select multiple fields as being the member of the primary key.
>
>
> Terry Fielder
> Network Engineer
> Great Gulf Homes / Ashton Woods Homes
> terry(at)greatgulfhomes(dot)com
>
>
>
>
> >-----Original Message-----
> >From: pgsql-sql-owner(at)postgresql(dot)org
> >[mailto:pgsql-sql-owner(at)postgresql(dot)org]On Behalf Of Huub
> >Sent: Wednesday, November 06, 2002 9:19 AM
> >To: pgsql-sql(at)postgresql(dot)org
> >Subject: [SQL] primary keys
> >
> >
> >Hi,
> >
> >I want to create a table which has 2 columns, and both
> >columns have to
> >be primary key (or: together they are the primary key). How can I do
> >this using SQL? Using pgAdminII for Postgres7.2.2 on RH8.
> >
> >Thanks
> >
> >Huub
> >
> >
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Thanks..problem solved..

Huub

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