procedure

标签：replace   ace   select   ext   var   ...   声明变量   proc   查看   

定义：

create or replace procedure 名称

(param1 in number, param2 out varchar2)

is

begin

...程序块

end

/

create or replace procedure getApple

(useCode in number, apple out number)

is

begin

select apple into apple from t_user where user_code=userCode;

end;

/

var number userCode;--声明变量

exec :userCode:=121;--变量赋值

exec getApple(:userCode);//调用procedure

多个参数只对某一个赋值：

create or replace procedure addUser

(

useCode in number default user_seq.nextval,

user_name in varchar2 default ‘小明‘,

age in number default 20, 

user_birth_day in date default sysdate,

apple in number default 3

)

is

begin

select apple into apple from t_user where user_code=userCode;

end;

/

调用：

exec addUser(3,‘小王’,apple=>8);

查看procedure内容：

select text from user_source where name=‘ADDUSER‘;

procedure

标签：replace   ace   select   ext   var   ...   声明变量   proc   查看   

原文地址：https://www.cnblogs.com/cyf18/p/10713897.html