Select from multiple db's

Is it possible with postgres to do a select from tables contained in
separate databases? I have two separate db's that are maintained, but
would like to make a select from one of them to insert the data into the
second one. Any thoughts on how to make this work would be appreciated.
Merging the two db's won't be anything easy, so I'm looking for a way for
this type of query to be valid.

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Aaron Holtz
ComNet Inc.
UNIX Systems Specialist
Email: aholtz(at)bright(dot)net
"It's not broken, it just lacks duct tape."
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