Display number values in words

--Create emp table
create table emp
(emp_name varchar2(30),
sal number);

--Insert some data
insert into emp values ('Nome1',1300);
insert into emp values ('Nome2',1400);
insert into emp values ('Nome3',2300);
insert into emp values ('Nome4',5300);
insert into emp values ('Nome5',11300);
commit;

--Query and get number into words
col sal for 99999
col "Extenso" for a70
select sal, (to_char(to_date(sal,'j'), 'jsp')) "Extenso" from emp;

set linesize 140
col parameter for a30
select * from v$nls_valid_values where value like '%BRA%';
alter session set NLS_LANGUAGE='BRAZILIAN PORTUGUESE';
alter session set NLS_TERRITORY='BRAZIL';
export LANG=pt_BR

Regards,
Paulo Portugal