The following post is from October 2020, but I remember having used an interface to PostgreSQL more than 10 years ago: https://swi-prolog.discourse.group/t/swi-

The following post is from October 2020, but I remember having used an interface to PostgreSQL more than 10 years ago: https://swi-prolog.discourse.group/t/swi-prolog-connecting-to-postgresql-via-odbc/2404 https://swi-prolog.discourse.group/t/swi-prolog-connecting-t... For those who don't get it: side-effects allow for the power of Prolog, just don't use them if you don't want them...