How to convert column to row in 10g and calculate the count

Question

876602 wrote:
Hi ,
i need to convert the column to row in my DB 10g , i cant use the Decode method because i have about 2000 items in MDN column
this is sample of my date ,
MDN             Date
5C4CA98EABA3     20111205235240
5C4CA98EABA3     20110925121833
5C4CA98EABB0     20111025103700
5C4CA98EABB0     20111124103700
5C4CA98EABB5     20111030175717
5C4CA98EABB8     20110925142653
5C4CA98EABB8     20111126175853i need the result to be ,
MDN             Date                                   count
5C4CA98EABA3     20111205235240 ;  20110925121833    2
5C4CA98EABB0     20111025103700 ;  20111124103700    2
5C4CA98EABB5    20111030175717                      1
5C4CA98EABB8   20110925142653 ; 20111126175853       2any help please ,
Edited by: 876602 on 15/12/2011 01:33 ص

Answer 1

SQL> with t as
  2  (
  3  select '5C4CA98EABA3' MDN ,'20111205235240' Dte  from dual
  4  union all
  5  select '5C4CA98EABA3','20110925121833' from dual
  6  union all
  7  select '5C4CA98EABB0','20111025103700' from dual
  8  union all
  9  select '5C4CA98EABB0','20111124103700' from dual
10  union all
11  select '5C4CA98EABB5','20111030175717' from dual
12  union all
13  select '5C4CA98EABB8','20110925142653' from dual
14  union all
15  select '5C4CA98EABB8','20111126175853' from dual
16  )
17  select mdn,ltrim(sys_connect_by_path(dte,';'),';') s,rw as "count"
18  from
19  (
20  select mdn,dte,row_number() over(partition by mdn order by mdn) rw
21  from t
22  )
23  where connect_by_isleaf = 1
24  start with rw = 1
25  connect by prior rw = rw-1
26  and prior mdn = mdn
27  ;
MDN          S                                                                                     count
5C4CA98EABA3 20111205235240;20110925121833                                                             2
5C4CA98EABB0 20111025103700;20111124103700                                                             2
5C4CA98EABB5 20111030175717                                                                            1
5C4CA98EABB8 20110925142653;20111126175853                                                             2