Oracle 11g Release 2

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CREATE TABLE t(x,y) AS SELECT 5,46 FROM DUAL;
1 rows affected

SELECT SUM(x+y-2*BITAND(x,y))FROM(SELECT LEVEL-1 x FROM T CONNECT BY LEVEL<x+2),(SELECT LEVEL-1 y FROM T CONNECT BY LEVEL<y+2)

SUM(X+Y-2*BITAND(X,Y))

6501

UPDATE t SET x = 0, y = 12;
1 rows affected

SELECT SUM(x+y-2*BITAND(x,y))FROM(SELECT LEVEL-1 x FROM T CONNECT BY LEVEL<x+2),(SELECT LEVEL-1 y FROM T CONNECT BY LEVEL<y+2)

SUM(X+Y-2*BITAND(X,Y))

78

UPDATE t SET x = 17, y = 39;
1 rows affected

SELECT SUM(x+y-2*BITAND(x,y))FROM(SELECT LEVEL-1 x FROM T CONNECT BY LEVEL<x+2),(SELECT LEVEL-1 y FROM T CONNECT BY LEVEL<y+2)

SUM(X+Y-2*BITAND(X,Y))

14808

UPDATE t SET x = 30, y = 49;
1 rows affected

SELECT SUM(x+y-2*BITAND(x,y))FROM(SELECT LEVEL-1 x FROM T CONNECT BY LEVEL<x+2),(SELECT LEVEL-1 y FROM T CONNECT BY LEVEL<y+2)

SUM(X+Y-2*BITAND(X,Y))

41755