1、执行带有输出类型参数的存储过程

set serveroutput on;
DECLARE 
    dwbh varchar2(20); 
    out_param  varchar2(1000); 
BEGIN 
    dwbh:='3609000001'; 
    pkg_znpj.znpj_zf(dwbh,out_param);
    dbms_output.put_line(out_param); 
END; 
/

2、直接输出一句话

set serveroutput on; 
begin   
dbms_output.put_line( 'hello! '); 
end; 
/

3、执行带外部参数的sql语句,并输出结果

set serveroutput on;
DECLARE 
 mc number; 
BEGIN 
select distinct TO_CHAR(SYSDATE,'DDD') into mc FROM fhjczg_fhxc;
 dbms_output.put_line(mc); 
END; 
/select  TO_CHAR(SYSDATE,'DDD')  FROM dual
set serveroutput on;
DECLARE 
    xfjgbh varchar2(20); 
BEGIN 
    xfjgbh:='100003'; 
    pkg_zdpj.znpj_zdpj(xfjgbh);
END; 
/