Hello, Is there some matrix about which PG client versions, esp. the shared libs of ESQL/C can work with which PG server versions. We have a case where a customer wants to use his own PG server, perhaps even on Windows, with our 11.4 client version (compiled by us) and used via ESQL/C. Thanks matthias -- Matthias Apitz, ✉ guru@xxxxxxxxxxx, http://www.unixarea.de/ +49-176-38902045 Public GnuPG key: http://www.unixarea.de/key.pub