       ccollate ?-local? string1 string2
              This  command compares two strings.  If returns -1 if string1 is
              less than string2, 0 if they are  equal  and  1  if  string1  is
              greater than string2.

              If  -local  is  specified, the strings are compared according to
              the collation environment of the current locale.

              This command does not work with binary or UTF data.
