Duplicate post removed

Question

i have a table test1
I want to group by orderno and concatenate with date and code
below is the test table and test data:
CREATE TABLE test1
orderno NUMBER,
code VARCHAR2 (35),
datefield VARCHAR2 (35)
INSERT into test1 ((id ,
orderno ,
code ,
datefield )
values
(1,c1,'8/23/2011');
insert into test1 ((id ,
orderno ,
code ,
datefield )
values
(1,c2,'8/13/2011');
insert into test1 ((id ,
orderno ,
code ,
datefield )
values
(1,c3,'8/31/2011');
insert into test1 ((id ,
orderno ,
code ,
datefield )
values
(2,c4,'8/01/2011');
my result should be:
1 c1 (8/23/2011); c2 (8/13/2011); c3 (8/31/2011);
2 c4(8/01/2011);
thanks in advance

Answer 1

SQL> select * from
  2  (select 1 orderno, 'c1' code, to_date('08/23/2011','mm/dd/yyyy') datefield from dual union all
  3   select 1 orderno, 'c2' code, to_date('08/13/2011','mm/dd/yyyy') datefield from dual union all
  4   select 1 orderno, 'c3' code, to_date('08/31/2011','mm/dd/yyyy') datefield from dual union all
  5   select 2 orderno, 'c4' code, to_date('08/01/2011','mm/dd/yyyy') datefield from dual) vt1;
   ORDERNO CODE DATEFIELD
         1 c1   23-Aug-11
         1 c2   13-Aug-11
         1 c3   31-Aug-11
         2 c4   01-Aug-11
SQL>
SQL> select orderno, wm_concat(code||' '||datefield) datefield
  2    from
  3  (select 1 orderno, 'c1' code, to_date('08/23/2011','mm/dd/yyyy') datefield from dual union all
  4   select 1 orderno, 'c2' code, to_date('08/13/2011','mm/dd/yyyy') datefield from dual union all
  5   select 1 orderno, 'c3' code, to_date('08/31/2011','mm/dd/yyyy') datefield from dual union all
  6   select 2 orderno, 'c4' code, to_date('08/01/2011','mm/dd/yyyy') datefield from dual) vt1
  7  group by orderno;
   ORDERNO DATEFIELD
         1 c1 23-AUG-11,c2 13-AUG-11,c3 31-AUG-11
         2 c4 01-AUG-11
SQL>