SQL> -- define in parameter SQL> SQL> set serverout on; SQL> SQL> create or replace 2 procedure out_parms( p_parm in number ) as 3 begin 4 null; 5 dbms_output.put_line(p_parm); 6 end out_parms; 7 / Procedure created. SQL> SQL> exec out_parms( 123 ); 123 PL/SQL procedure successfully completed. SQL>