For many years now Postgres has been my database of choice, but I still regularly find new and interesting features that I wasn’t yet aware of. The latest entry in this long list are “foreign data wrappers”, an implementation of the SQL/MED (“SQL Management of External Data”) specification which was added in Postgres 9.1. This mechanism allows for integrating our database with data stored outside of it. The most common use case for this is probably accessing a remote RDBMS (Postgres...
