felix@xxxxxxxxxxx writes: > I am pretty certain no such SQL command exists. But is it possible to > do something sneaky to the internal tables so that two names point to > the same columnand everything just works? No ... at least not for usefully large values of "work". You might be able to do something involving a view that renames the column in question, with as-yet-unconverted clients made to reference the view. Offhand I'm not convinced that's easier than just fixing the clients though ... regards, tom lane