--I hade some adjustments based on Norm's email . I am not at work / no access to Toad.
--I removed one set command and changed headings to off
--also you don't need a group by
set pagesize 0
set trimspool on
set echo off
set embedded off
set feedback off
set heading off
set serveroutput on
set linesize 2000
spool D:\BK210.txt
begin
dbms_output.enable(100000);
dbms_output.put_line('CLI;AGE;NCP;DEV'); --these are your column headings
end;
/
Select d.cli||';'||d.age||';'||d.ncp||';'||d.dev
from prod.bkhis d
group by d.cli, d.age, d.ncp, d.dev
order by d.cli asc
;
spool off
exit