Обсуждение: Multiple databases

am  Wed, dem 16.04.2008, um  8:59:46 +0200 mailte Sumaya folgendes:
> Hi,
>  
> I am converting sql code from sql server to postgresql.  Data is currently
> being retrieved from multiple databases, how do I do this using postgresql.  I
> have tried using eg. select * from datbasename.tablename but this does not
> work.  Any ideas?

You can use multiple databases, but you can't work across multiple
databases. PostgreSQL offers schemas, you can use them.

http://www.postgresql.org/docs/current/static/ddl-schemas.html


Andreas
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Andreas Kretschmer
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Sumaya wrote:

>Hi,
>
>I am converting sql code from sql server to postgresql.  Data is currently being retrieved from multiple databases,
howdo I do this using postgresql.  I have tried using eg. select * from datbasename.tablename but this does not work.
Anyideas?
 
>
>Thanks,
>Sumaya
>  
>
Are you saying that you want a particular function stored in say 
database A to be able to retrieve some data from dabatase X?
If that so, you may take a look to the dblink contrib package.

Gerardo