How to get multiple values from the db using select

Question

hi all,
i am using oracle 9i database
i created a procedure
create or replace procedure sample_proce
as
to_i varchar2(50)
begin
select to_id into to_i from sample where flag in('y');
dbms_output.put_line('hai'|| to_i);
end;
when i executed this procedure the following error occurred.
error at line 5 fetching too many rows.
but when i execute the select query alone i can able to view all the rows.
how to resolve it

Answer 1

i used the following procedure
create or replace procedure sample_proc
as
begin
for s in(select to_id from sample where flag='y')
loop
dbms_output.put_line(s.to_id);
end loop.
end;
it is executed fine. i can able to fetch all the rows.
how to pass all these values into the another procedure.
we usually pass only one value into another procedure, i do no how to pass all the values . please help me.
Thank u.