-- create table ref1 (
--   x double,
--   y doulbe,
-- );

-- update ref1 
--  set x=rand(), y= rand();

plot scatter
  x, dark butter small circle
  with 
    title "Title"
    title x "X Title"
    title y "Y Title"
select  
  4 * x * cos(y * 2 * pi()),x * sin(y * 2 * pi()) from ref1;