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Oracle PLSQL 打包

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Release: 2016-06-07 17:33:38
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Oracle PLSQL 打包 --打包--创建包--步骤:--1、声明(创建包头)--2、创建数据对象(创建包体) --1、create or replace packag

Oracle PLSQL 打包

--打包
--创建包
--步骤:
--1、声明(创建包头)
--2、创建数据对象(创建包体)

--1、
create or replace package myPack
as
 v_bookCount integer;
 procedure p_back
 (v_stuid borrow.stuid%type,v_bid borrow.bid%type);
 function f_bookCount
 (v_stuid student.stuid%type)
  return integer;
end;

--2、
create or replace package body myPack
as
  procedure p_back
  (v_stuid borrow.stuid%type,v_bid borrow.bid%type)
  as
  begin
  update borrow
  set b_time=to_date(to_char(sysdate,'yyyy-mm-dd'),'yyyy-mm-dd')
  where stuid=v_stuid and bid=v_bid;
  end p_back;
 
  function f_bookCount
  (v_stuid student.stuid%type)
  return integer
  as
  begin
  select count(*) into v_bookCount from borrow where
  b_time is null and stuid=v_stuid;
  return v_bookCount;
  exception
    when others then
      return 0;
  end f_bookCount;
end;

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