Extend Table collection : Table Collection Attributes « Collections « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial
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30.System Tables Data Dictionary
31.System Packages
32.Object Oriented
33.XML
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Oracle PL/SQL Tutorial » Collections » Table Collection Attributes 




SQL>
SQL>
SQL> create table ord(
  2           order_no               integer          primary key
  3          ,empl_no                integer
  4          ,order_date             date not null
  5          ,total_order_price      number(7,2)
  6          ,deliver_date           date
  7          ,deliver_time           varchar2(7)
  8          ,payment_method         varchar2(2)
  9          ,emp_no                 number(3,0)
 10          ,deliver_name           varchar2(35)
 11          ,gift_message           varchar2(100)
 12  );

Table created.

SQL>
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,'14-Feb-2002', 23.00'14-Feb-2002', '12 noon', 'CA',1, null, 'Gift for wife');

row created.

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,'14-Feb-2003', 510.98'14-feb-2003', '5 pm', 'NY',7'Rose Ted', 'Happy Valentines Day to Mother');

row created.

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(32,'14-Feb-2004', 315.99'14-feb-2004', '3 pm', 'VS',2'Ani Forest', 'Happy Valentines Day to Father');

row created.

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(42,'14-Feb-1999', 191.95'14-feb-1999', '2 pm', 'NJ',2'O. John', 'Happy Valentines Day');

row created.

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(56,'4-mar-2002', 101.95'5-mar-2002', '2:30 pm', 'MO'    2'Cora', 'Happy Birthday from John');

row created.

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(69,'7-apr-2003', 221.95'7-apr-2003', '3 pm', 'MA', 2'Sake Keith', 'Happy Birthday from Joe' );

row created.

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(79,'20-jun-2004', 315.95'21-jun-2004', '12 noon', 'BC', 2'Jessica Li', 'Happy Birthday from Jessica');

row created.

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 (812'31-dec-1999', 135.95'1-jan-2000', '12 noon', 'DI',   3'Larry', 'Happy New Year from Lawrence');

row created.

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 (912'26-dec-2003', 715.95'2-jan-2004', '12 noon', 'SK',7'Did', 'Happy Birthday from Nancy' );

row created.

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(104, sysdate-1119.95, sysdate+2'6:30 pm', 'VG',2'P. Jing', 'Happy Valentines Day to Jason');

row created.

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(112, sysdate, 310.00, sysdate+2'3:30 pm', 'DC',2'C. Late', 'Happy Birthday Day to Jack');

row created.

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(127, sysdate-3121.95, sysdate-2'1:30 pm', 'AC',2'W. Last', 'Happy Birthday Day to You');

row created.

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(137, sysdate, 211.95, sysdate-4'4:30 pm', 'CA',2'J. Bond', 'Thanks for hard working');

row created.

SQL>
SQL>
SQL> create or replace type sqlMONTH_TABLEtype as table of date;
  2  /

Type created.

SQL>
SQL> create or replace function month_generator
  2     (p_num_months in number)
  3     RETURN sqlMONTH_TABLEtype
  4  AS
  5      month_table     sqlMONTH_TABLEtype := sqlMONTH_TABLEtype();
  6  BEGIN
  7
  8      for i in 1..p_num_months loop
  9          month_table.extend(1);
 10          month_table(i:= add_months(sysdate, -i);
 11      end loop;
 12      return(month_table);
 13
 14  END;
 15  /

Function created.

SQL>
SQL> select to_Char(x.column_value, 'mm/yyyy') , nvl(avg(total_order_price),0as avg_Sales
  2  from TABLEmonth_generator(12) ) x LEFT OUTER JOIN ord
  3  ON to_Char(x.column_value, 'mm/yyyy') = to_Char(order_date, 'mm/yyyy')
  4  group by to_Char(x.column_value, 'mm/yyyy') ;

TO_CHAR  AVG_SALES
------- ----------
04/2008          0
03/2008          0
02/2008          0
10/2007          0
01/2008          0
05/2008          0
06/2008          0
12/2007          0
11/2007          0
07/2007          0
09/2007          0

TO_CHAR  AVG_SALES
------- ----------
08/2007          0

12 rows selected.

SQL>
SQL> drop table ord;

Table dropped.














26.22.Table Collection Attributes
26.22.1.Reference elements in table collection of varchar2 by index
26.22.2.Collection methods: First, Last, Next
26.22.3.Table of numbers: count, last, first
26.22.4.Extend Table collection
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