PP - point contained in both A and B POINT(100 100) POINT(100 100) POINT(100 100) PP - A different from B POINT(100 100) POINT(200 200) POINT EMPTY MULTIPOINT((100 100), (200 200)) POINT(100 100) MULTIPOINT((100 100), (200 200)) PmP - point in A contained in B POINT(100 100) MULTIPOINT((100 100), (200 200)) POINT(100 100) MULTIPOINT((100 100), (200 200)) POINT EMPTY POINT(200 200) mPmP - points in A only, B only, and in both MULTIPOINT((100 100), (200 200), (300 300), (500 500)) MULTIPOINT((100 100), (200 200), (400 400), (600 600)) MULTIPOINT((100 100), (200 200)) MULTIPOINT ((100 100), (200 200), (300 300), (400 400), (500 500), (600 600)) MULTIPOINT((300 300), (500 500)) MULTIPOINT((300 300), (400 400), (500 500), (600 600)) PP - point contained in both A and B POINT(80 200) POINT(80 200) GEOMETRYCOLLECTION EMPTY POINT(80 200) POINT(80 200) POINT(80 200) POINT EMPTY POINT EMPTY PP - A different from B POINT(80 200) POINT(260 80) GEOMETRYCOLLECTION EMPTY POINT(80 200) POINT EMPTY MULTIPOINT((80 200), (260 80)) POINT(80 200) MULTIPOINT((80 200), (260 80)) PP - A different from B, same y POINT(60 260) POINT(120 260) GEOMETRYCOLLECTION EMPTY POINT(60 260) POINT EMPTY MULTIPOINT((60 260), (120 260)) POINT(60 260) MULTIPOINT((60 260), (120 260)) PP - A different from B, same x POINT(80 80) POINT(80 280) GEOMETRYCOLLECTION EMPTY POINT(80 80) POINT EMPTY MULTIPOINT((80 80), (80 280)) POINT(80 80) MULTIPOINT((80 80), (80 280))