same point POINT(20 20) POINT(20 20) true different point POINT(20 20) POINT(20 30) true some same, some different points MULTIPOINT((40 40), (80 60), (40 100)) MULTIPOINT((40 40), (80 60), (120 100)) true same points MULTIPOINT((40 40), (80 60), (120 100)) MULTIPOINT((40 40), (80 60), (120 100)) true