Hello David, Tuesday, July 2, 2002, 9:48:14 PM, you wrote: DK> I know this is a bit off topic, but I plan to DK> change my zopeback end database from MySQL. DK> Need subselects and dynamic replication. DK> Any recommendations between PostGres and Interbase. DK> Compatibility with zope251 a must. I cannot give you a technical recommendation, as i currently only use Oracle and none of the above, but Postgres seems to be very widely used in the community when running Zope with RDMSes.. - so if nothing else , community support will be more accessible.. :) -- Geir Bækholt web-developer geirh@funcom.com funcom oslo | webdev-team