From: Rod Taylor <rbt@rbt.ca>
To: Keith H.K. Lam (U1 Tech.) <keithhk_lam@u1technology.com>
Cc: 'pgsql-sql@postgresql.org' <pgsql-sql@postgresql.org>
Subject: Re: select query that would join two databases
Date: 31 Jul 2003 20:39:32 -0400
Message-ID: <1059698371.33557.11.camel@jester> (raw)
In-Reply-To: <E1710B82E845F2439B63043F1699E82877C29F@mailserver.tainam.com>
References: <E1710B82E845F2439B63043F1699E82877C29F@mailserver.tainam.com>
Take a look at the dblink() contrib module.
PostgreSQL does not currently support inter-database joins BUT it does
offer Schemas which is often enough. Take each of your source databases
and toss them into two different schemas of the same database.
On Wed, 2003-07-30 at 07:28, Keith H.K. Lam (U1 Tech.) wrote:
> dear all,
>
> How to create a query that would join two databases? In MSSQL, i use
>
> select * from dbA.dbo.tableA a dbB.dbo.tableB b where a.id=b.id
>
> Is there anyway to write the above query in postgressql ?
>
> Please email me back.
> Thanks,
> Keith
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster
>
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To: pgsql-sql@postgresql.org
Cc: rbt@rbt.ca, keithhk_lam@u1technology.com
Subject: Re: select query that would join two databases
In-Reply-To: <1059698371.33557.11.camel@jester>
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