SELECT last_name, first_name, alt_custno, paquinnumb FROM customer ; WHERE last_name + " " + first_name IN ; (SELECT last_name + " " + first_name AS cust_name FROM customer ; GROUP BY last_name, first_name ; HAVING count(last_name + " " + first_name) > 1); ORDER BY last_name, first_name INTO CURSOR FINDDUPERuns ok, but I want to be sure from others!