hi ,
i have data like this
cola colb colc
123 12 a
123 12 b
123 12 a
124 12 d
124 12 f
we have to loop throuhj all the values associated with colc for each cola and colb, if all the values are not in (a and b), then i return the distinct on cola and colb
in the above instnace , the retruned value is 124 12, since none of the values in colc are in (a and b)
pls help, tx