create [or replace] procedure procedure name (parameters) is ... begin ... end;
SQL> SQL> create or replace procedure p_print(i_str1 VARCHAR2 :='hello', 2 i_str2 VARCHAR2 :='world', 3 i_end VARCHAR2 :='!' ) 4 is 5 begin 6 DBMS_OUTPUT.put_line(i_str1||','||i_str2||i_end); 7 end; 8 / Procedure created. SQL>