CREATE [OR REPLACE] PROCEDURE procedure_name
[(parameter_list)]
{IS|AS}
[local_declarations]
BEGIN
executable_statements
[EXCEPTION exception_handlers]
END [procedure_name];

 parameter_name1 [in | out | in out] type, parameter_name1 [in | out] type [,........]

outcur OUT BASIC_CURSOR:
 OPEN outcur FOR SELECT col1,col2 FROM tablename

create or replace procedure putNum(P_Date in date, P_year out varchar2) is 
 v_num number(8) := 1; 
 v_days number; 
 v_date date; 
begin 
 dbms_output.put_line('intput value:' || P_year); 
 v_num := 1; 
 v_days := 1; 
 v_days := to_number(to_char(P_Date, 'dd')); -- to_char(sysdate-20,'dd') 
 for i in 1 .. v_days Loop 
 v_date := to_date('2011/11/' || to_char(i), 'yyyy/MM/dd'); 
 --dbms_output.put_line(v_date); 
 end loop; 
 P_year := '2012'; 
end;

[EXECUTE]|[CALL] procedure_name[(parameter,…n)]

begin
Proc_Insert('hello6',25,'2005-12-24');
commit;
end;

DBMS_OUTPUT.put_line ('Hello World!');

show serveroutput;
set serveroutput on;

select object_name,object_type,status from user_objects where OBJECT_TYPE='PROCEDURE';

SELECT text FROM user_source WHERE NAME = 'procedure_name';

DROP PROCEDURE procedure_name;