Another question related to using to_char(d_date, IW)

dear all;
I posted a similar problem a while back but I would like to see if I can get help on this particular problem
I have the following sample data
create table table_one
v_id varchar2(60),
close_date date
insert into table_one
(v_id, close_date)
values
('A', to_date('1/1/2010 4:47:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('A', to_date('1/2/2010 2:47:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('A', to_date('1/3/2010 1:47:19 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('D', to_date('1/4/2010 5:47:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('D', to_date('1/5/2010 4:47:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('D', to_date('1/6/2010 5:17:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('D', to_date('1/7/2010 5:17:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('D', to_date('1/8/2010 5:17:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('D', to_date('1/9/2010 5:17:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('D', to_date('1/10/2010 5:17:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('L', to_date('1/11/2010 5:17:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('L', to_date('1/12/2010 5:17:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
insert into table_one
(v_id, close_date)
values
('L', to_date('1/13/2010 5:17:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));
    insert into table_one
(v_id, close_date)
values
('L', to_date('1/14/2010 5:17:09 PM', 'MM/DD/YYYY HH:MI:SS:AM'));I am using the following query below
select y.v_id, to_char(y.close_date, 'IW') as d_date   from table_one y
group by to_char(y.close_date, 'IW'), y.v_id;which gives me the following results
V_ID   D_DATE
D          01
L           02
A          53now I would like to modify the query so that I can get something similar to this
V_ID       D_DATE
D             (beginning date of that week - ending date of that week)
L             (beginning date of that week - ending date of that week)
A            (begining date of that week - ending date of that week)
hence, if week 01 based on the ISO week calendar starts on Jan5th, 2010 and ends on Jan12th, 2010 and if week 02 based on the ISO week calendar starts on Jan 13th, 2010 - Jan 20th, 2010 and so on
then I would like to see that
so that I can get this instead
V_ID        D_DATE
D            01/05/2010 - 01/12/2010
L             01/13/2010 - 01/20/2010
All help is appreciated.

Thank you for providing sample data. Is this what you are looking for?
SQL> SELECT v_id
2       , TO_CHAR(TRUNC(close_date,'IW'),'MM/DD/YYYY') || '-' || TO_CHAR(TRUNC(close_date,'IW') + 7,'MM/DD/YYYY') AS d_date
3 FROM   table_one
4 ORDER BY v_id
5 ;
V_ID                                                         D_DATE
A                                                            12/28/2009-01/04/2010
A                                                            12/28/2009-01/04/2010
A                                                            12/28/2009-01/04/2010
D                                                            01/04/2010-01/11/2010
D                                                            01/04/2010-01/11/2010
D                                                            01/04/2010-01/11/2010
D                                                            01/04/2010-01/11/2010
D                                                            01/04/2010-01/11/2010
D                                                            01/04/2010-01/11/2010
D                                                            01/04/2010-01/11/2010
L                                                            01/11/2010-01/18/2010
L                                                            01/11/2010-01/18/2010
L                                                            01/11/2010-01/18/2010
L                                                            01/11/2010-01/18/2010If not please provide more information.

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Bo,
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