http://incubator.apache.org/derby/integrate/misc.html
here's a white paper that specifically talks about how to replicate between Derby and a variety of other databases:
http://www.ibm.com/developerworks/db2/library/techarticle/dm-0503stumpf/
I thought that this might be more useful to people than wandering around in the general product information pages for the DB2 Everyplace product.
-Kevin
