CREATE SEQUENCE PersonSN
   INCREMENT BY 1
   START WITH 100001
   NOCACHE;

   ** Create a Server Function "FNext" to return the next sequence from
   ** Person.

   CREATE OR REPLACE FUNCTION FNext
      RETURN NUMBER
    IS
      Count1 NUMBER(10);
   BEGIN
      SELECT PersonSN.nextval INTO Count1 FROM dual;
    RETURN Count1;
   END;
   /