Hasnul,

> My question is if there is a query design that would query multiple
> server simultaneously.. would that improve the performance?

Not without a vast amounts of infrastructure coding. You're basically
talking about what Oracle has spent the last 3 years and $100 million working
on.

Would be nice, though.

--
Josh Berkus
Aglio Database Solutions
San Francisco

---------------------------(end of broadcast)---------------------------
TIP 2: you can get off all lists at once with the unregister command
(send "unregister YourEmailAddressHere" to majordomo@postgresql.org)