> What you may want to consider, is some form of replication
> or to get hold of the source code of dbak (a different backup
> utility by Geoff Worboys, Telesis Computing that is freeware)
> and modify it if it isn't already able to backup only one
> table (I've never used it, so I don't know whether it can do
> single table backups).

DBak has a filter system that will allow backup of a single
table or set of tables - I use it regularly to extract audit
log data before deleting it from the original database.

You can also direct it to use an existing database during
restore - to add a backup to an existing database - but
this feature is not well tested and is probably missing some
features that would make it useful. ie: TEST how you want
to restore before deciding if the DBak backup is useful.

http://www.telesiscomputing.com.au/dbk.htm

--
Geoff Worboys
Telesis Computing