> So I can assume that the MySQL implementation is strange? (It accepts > that kind of query)
Yes, MySQL behaves strangely in this case (as well as in several other cases). I wouldn't rely on this as it probably can choose different values each time (although as far as I remember I haven't seen this). t.v. ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster