oracle 8i communicate with oracle 9i

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Subject: oracle 8i communicate with oracle 9i
Posted by:  skyloon (skylo…@gmail.com)
Date: 27 Nov 2006

I'm planning to do data purging which transfer some old data in date
range from oracle 8i to oracle 9i and then delete the old in oracle 8i.
as i know, to communicate between database in same server, we need to
use "Database Link"
but if communicate with different server? any query or snytax to do it?
or what steps i need to follow? Is it difficult to do it?

Thanks..

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