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From: Rod Taylor <rbt@rbt.ca>
To: Antti Ijäs <antti.ijas@arcada.fi>
Cc: pgsql-sql@postgresql.org
Subject: Re: Foreign key from another database
Date: 03 Apr 2003 13:42:06 -0500
Message-ID: <1049395325.23833.2.camel@jester> (raw)
In-Reply-To: <42ee0b8a.0304030116.68199b0c@posting.google.com>
References: <42ee0b8a.0304030116.68199b0c@posting.google.com>

You might want to look into using multiple schemas in a single database
rather than multiple databases.

If you switch to the above, then you can do what you're looking for. 
Postgresql has limited cross database abilities (contrib/dblink), but
not cross database foreign keys.

On Thu, 2003-04-03 at 04:16, Antti Ijäs wrote:
> Hi,
> 
> Can I have a reference (with cascading), to another database? Let me
> try to explain the situation a little better ;-)
> 
> I have a "main" database, clients. Then I have another database. Let's
> call that program1. In program1 I have a table pTable and in clients I
> have a table namned Client. Like this:
> 
> \c clients
> CREATE TABLE Client (
> CustId Serial PRIMARY KEY,
> ....
> );
> 
> \c program1
> CREATE TABLE pTable (
> pId SERIAL PRIMARY KEY,
> CustId INTEGER, 
> ....
> );
> 
> I would like the data to be dropped in pTable automatically, when the
> client is deleted....
> 
> / Antti
> 
> 
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-- 
Rod Taylor <rbt@rbt.ca>

PGP Key: http://www.rbt.ca/rbtpub.asc

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