Re: your mail

> Dear Sir/Madam,
> I'm a PhD student at Essex University in UK, doing a research in Distributed
> Database Systems. I would like to ask you some questions:
> I'm using Postgres ver.7, installed in Linux lab which consists of 25
> terminals.
> My actual question is if Postgres provides the functionality to access
> tables which are stored on different hosts using a single Postgres DBMS. For
> instance, let's assume the follwing query:
> 
> select * from A, B where A.num = B.num
> 
> 1- Is it possible to execute this query if the tables A and B are stored
>    on two different machines?

We don't do that.  Sorry.

> 2- Do I need to add something in the Data Catalog, to be able to direct
>    the query into the right host (the one which has the Data).


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