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Categories / Oracle PLSQL Tutorial / Function Procedure Packages
 

Create a package containing stored procedure DELETE_ORDERS and stored function GET_employee_NAME

SQL> SQL> create table employee   2          (   3           empl_no                integer         primary key   4          ,lastname               varchar2(20)    not null   5          ,firstname              varchar2(15)    not null   6          ,midinit                varchar2(1)   7          ,street                 varchar2(30)   8          ,city                   varchar2(20)   9          ,state                  varchar2(2)  10          ,zip                    varchar2(5)  11          ,zip_4                  varchar2(4)  12          ,area_code              varchar2(3)  13          ,phone                  varchar2(8)  14          ,company_name           varchar2(50)); Table created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(1,'Jones','Joe','J','10 Ave','New York','NY','11111','1111','111', '111-1111','A Company'); 1 row created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(2,'Smith','Sue','J','20 Ave','New York','NY','22222','2222','222', '222-111','B Company'); 1 row created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(3,'Anderson','Peggy','J','500 St','New York','NY','33333','3333','333', '333-3333','C Company'); 1 row created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(4,'Andy','Jill', null,'930 St','New York','NY','44444','4444','212', '634-7733','D Company'); 1 row created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(5,'OK','Carl','L','19 Drive','New York','NY','55555','3234','212', '243-4243','E Company'); 1 row created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(6,'Peter','Jee','Q','38 Ave','New York','NY','66666','4598','212', '454-5443','F Inc'); 1 row created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(7,'Baker','Paul','V','738 St.','Queens','NY','77777','3842','718', '664-4333','G Inc'); 1 row created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(8,'Young','Steve','J','388 Ave','New York','NY','88888','3468','212', '456-4566','H Associates Inc'); 1 row created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(9,'Mona','Joe','T','9300 Ave','Kansas City','MO','99999','3658','415', '456-4563','J Inc'); 1 row created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(10,'Hackett','Karen','S','Kings Rd. Apt 833','Bellmore','NY','61202','3898','516', '767-5677','AA Inc'); 1 row created. SQL> SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)   2  values(11,'Bob','Jack','S','12 Giant Rd.','Newark','NJ','27377','3298','908', '123-7367','Z Associates'); 1 row created. SQL> SQL> create table ord   2          (   3           order_no               integer         primary key   4          ,empl_no                integer   5          ,order_date             date not null   6          ,total_order_price      number(7,2)   7          ,deliver_date           date   8          ,deliver_time           varchar2(7)   9          ,payment_method         varchar2(2)  10          ,emp_no                 number(3,0)  11          ,deliver_name           varchar2(35)  12          ,gift_message           varchar2(100)  13           ); Table created. SQL> SQL> insert into ord(order_no,empl_no,order_date,total_order_price,deliver_date,deliver_time,payment_method,emp_no,deliver_name,gift_message)   2  values(1,1,add_months(sysdate, -1), 235.00, '14-Feb-1999', '12 noon', 'CA',1, null, 'Gift for wife'); 1 row created. SQL> SQL> insert into ord(order_no  ,empl_no ,order_date ,total_order_price ,deliver_date ,deliver_time ,payment_method ,emp_no,deliver_name ,gift_message )   2  values(2,1,add_months(sysdate, -2), 50.98, '14-feb-1999', '1 pm', 'CA',7, 'Rose', 'Happy Valentines Day to Mother'); 1 row created. SQL> SQL> insert into ord(order_no  ,empl_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2  values(3, 2,add_months(sysdate, -3), 35.99, '14-feb-1999', '1 pm', 'VS',2, 'Ruby', 'Happy Valentines Day to Mother'); 1 row created. SQL> SQL> insert into ord(order_no  ,empl_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2  values(4, 2,add_months(sysdate, -4), 19.95, '14-feb-1999', '5 pm', 'CA',2, 'Coy', 'Happy Valentines Day to You'); 1 row created. SQL> SQL> insert into ord(order_no  ,empl_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2  values(7, 9,add_months(sysdate, -7), 35.95, '21-jun-1999', '12 noon', 'VS', 2, 'Fill', 'Happy Birthday from Joe'); 1 row created. SQL> SQL> insert into ord(order_no  ,empl_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2  values (8, 12, add_months(sysdate, -8), 35.95, '1-jan-2000', '12 noon', 'DI',3, 'Laura', 'Happy New Year''s from Lawrence'); 1 row created. SQL> SQL> insert into ord(order_no  ,empl_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2  values (9, 12, add_months(sysdate, -9), 75.95, '2-jan-2000', '12 noon', 'CA',7, 'Sara', 'Happy Birthday from Lawrence' ); 1 row created. SQL> SQL> insert into ord(order_no  ,empl_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2  values(10, 4, add_months(sysdate, -10), 19.95, sysdate, '2:30 pm', 'VG',2, 'OK', 'Happy Valentines Day to You'); 1 row created. SQL> SQL> insert into ord(order_no  ,empl_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message )   2  values(11, 2, add_months(sysdate, -11), 30.00, sysdate+2, '1:30 pm', 'VG',2, 'Hi', 'Happy Birthday Day to You'); 1 row created. SQL> SQL> insert into ord(order_no  ,empl_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message)   2  values(12, 7, add_months(sysdate, -12), 21.95, sysdate-2, '3:30 pm', 'CA',2, 'Jack', 'Happy Birthday Day to You'); 1 row created. SQL> SQL> insert into ord(order_no  ,empl_no ,order_date ,total_order_price ,deliver_date ,deliver_time,payment_method ,emp_no,deliver_name ,gift_message)   2  values(13, 7, add_months(sysdate, -1), 21.95, sysdate, '3:30 pm', 'CA',2, 'Jay', 'Thanks for giving 100%!'); 1 row created. SQL> SQL> create table ord_history   2          (   3           order_no               integer         primary key   4          ,empl_no                integer   5          ,order_date             date not null   6          ,total_order_price      number(7,2)   7          ,deliver_date           date   8          ,deliver_time           varchar2(7)   9          ,payment_method         varchar2(2)  10          ,emp_no                 number(3,0)  11          ,deliver_name           varchar2(35)  12          ,gift_message           varchar2(100)  13           ); Table created. SQL> SQL> create or replace package mypackage as   2    procedure delete_orders (p_days  in  number);   3    function get_employee_name  (p_empl_no in number) return varchar2 ;   4  end ;   5  / Package created. SQL> SQL> show errors No errors. SQL> SQL> create or replace package body mypackage as   2  procedure delete_orders   3     (p_days  in  number)   4  is   5  begin   6       insert into ord_history   7              select *   8              from ord   9              where order_date < sysdate - p_days;  10       if sql%notfound then  11      dbms_output.put_line('No orders old than ' || p_days || 'days');  12       end if;  13       delete from ord  14       where order_date < sysdate - p_days;  15       commit;  16  end;  17  18  function get_employee_name  19    (p_empl_no in number)  20  return varchar2  21  is  22  v_name    varchar2(40);  23  begin  24    select lastname || ', ' || firstname into v_name  25      from employee  26      where empl_no = p_empl_no;  27      return(v_name);  28  exception  29    when no_data_found then  30      raise_application_error(-20001, 'employee not found.');  31    when others then  32      raise_application_error (-20002, 'Unexpected error.');  33  end;  34  end;  35  / Package body created. SQL> SQL> show errors No errors. SQL> SQL> select mypackage.get_employee_name(1) from dual ; MYPACKAGE.GET_EMPLOYEE_NAME(1) -------------------------------------------------------------------------------- Jones, Joe SQL> SQL> drop table ord; Table dropped. SQL> drop table ord_history; Table dropped. SQL> SQL> drop table employee; Table dropped. SQL>