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  • Oracle PLSQL笔记(过程的创建和及调用)

      过程(procedure): 用于在数据库中完成特定的操作或者任务。是一个PLSQL程序块,可以永久的保存在数据库中以供其他程序调用。  

    一、创建所需的表USERS

    create table  users(id int primary key ,
    name varchar2(20) not null,
    pword varchar2(30) not null,
    email varchar2(20));

    二、创建过程

     
    create or replace procedure users_insert_proc(
    s_id in number,
    s_name in varchar2,
    s_pwd in varchar2,
    s_email in varchar2 
    )is  begin
    insert into users(id,name,pword,email) values(s_id,s_name,s_pwd,s_email);
     end ;
    /
    
    
    create or replace procedure  users_updatebyId_proc(
    s_id in number,
    s_name in varchar2,
    s_pwd in varchar2,
    s_email in varchar2 
    )is  begin
    update   users set name=s_name ,pword=s_pwd ,email=s_email
     where id =s_id;
     end ;
    /
    
    
    create or replace procedure usersbyId_delete_proc(
    s_id in number 
     )is  begin
    delete from users where id =s_id;
     end ;
    /

    复制上述代码在命令窗口运行

     SQL> create or replace procedure users_insert_proc(
      2  s_id in number,
      3  s_name in varchar2,
      4  s_pwd in varchar2,
      5  s_email in varchar2
      6  )is  begin
      7  insert into users4(id,name,pword,email) values(s_id,s_name,s_pwd,s_email);
      8   end ;
      9  /
     
    Procedure created
    SQL> create or replace procedure  users4_updatebyId_proc(
      2  s_id in number,
      3  s_name in varchar2,
      4  s_pwd in varchar2,
      5  s_email in varchar2
      6  )is  begin
      7  update   users4 set name=s_name ,pword=s_pwd ,email=s_email
      8   where id =s_id;
      9   end ;
     10  /
     
    Procedure created
    SQL> create or replace procedure users4byId_delete_proc(
      2  s_id in number
      3   )is  begin
      4  delete from users4 where id =s_id;
      5   end ;
      6  /
     
    Procedure created
     
    SQL>

    三、调用过程

    1)在命令窗口输入exec users_insert_proc(2,'chenx','root','3243242@qq.com');

    SQL> exec users_insert_proc(2,'chenx','root','3243242@qq.com');
     
    PL/SQL procedure successfully completed

    2)

    SQL> exec users_updatebyId_proc(2,'wuyong','root','3243242@qq.com');
     
    PL/SQL procedure successfully completed

    3)

    SQL> exec usersbyId_delete_proc(2) ;
    PL/SQL procedure successfully completed
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  • 原文地址:https://www.cnblogs.com/J-wym/p/3292913.html
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