set termout off
set heading off
set feedback off
set pagesize 0
set linesize 2000
set trimspool on
spool data.csv
SELECT 'id,first name,last name'
FROM DUAL;
SELECT employee_id || ',',
'"' || REPLACE(first_name, '"', '""') || '",',
'"' || REPLACE(last_name, '"', '""') || '"'
FROM EMPLOYEE;
spool off
exit