SELECT Num1 + Num2 FROM mytable ; > WHERE Num1 + Num2 IN ; > (select Num2+Num1 from mytable ) ; >UNION ; >SELECT Num1 + Num2 FROM mytable ; > WHERE Num2 + Num1 IN ; > (select Num1+Num2 from mytable ) ; > INTO CURSOR crsList > >DELETE FROM mytable ; > WHERE num1+num2 in ( ; > SELECT Num1+Num2 FROM crsList)>