On Sun, 24 Sep 2000, Indraneel Majumdar wrote:
> Does any one know how I may select between two databases running on same
> machine or on different machines eg.
>
> select colA1 from tableA1 where colA2 in (select colB1 from tableB1);
>
> here tableA1 and tableB1 are in different databases. The two databases
> might be under the same postmaster or on different machines under
> different postmasters. How do I query both simultaneously? Is it possible?
Currently postgres databases may not be spanned in queries.