Query via Database Link

Can anyone advise me on the performance impact on the remote database caused by query across a database link. Most of the resource seems to be utilised on the local database, but are any processes started on the remote database and how much resource is consumed there?

-- 


[Mark Wilson    mark_at_foulscreche.demon.co.uk    ]

[                                               ]

["Life is like a thin sliver of light           ]

[between two immensities of darkness"           ]

[Father Ted                                     ]