Re: Cross database foreign keys

From: "Josh Berkus" <josh(at)agliodbs(dot)com>
To: Morgan Curley <mcurley(at)e4media(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: Cross database foreign keys
Date: 2001-07-06 14:36:10
Message-ID: [email protected]
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Morgan,

> Does anyone know if it is possible to connect to a differernt db from
> within a plsql function.
> I have multilple inter-related schemas and want to enforce some fk
> relationships.

Currently Postgres does not support any SQL operations between
databases. It may someday in the future, but then again it may not
(it's a design philosophy issue, I believe).

I don't know of *any* RDBMS that allows foriegn keys between databases!
If referential integrity is your goal, why on earth is the related data
in two different databases?

-Josh Berkus

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