Query- not to repeat column value

Question

Hello,
tried find the solution from the forum... but no luck ....if it repeation please excuse me.
Data on the Table.
ID       U_ID     NAME     
100     1          AAA
100     3          BBB
200     1          CC
200     2          DDD
200     3          EEEEMy output Should be
ID       U_ID     NAME     
100     1          AAA
          3          BBB
200     1          CC
          2          DDD
          3          EEEENo repetation of ID
Kindly suggest me.
Thanks,
Amuly

Answer 1

with t as
(select '100' ID,'1' U_ID,'AAA' NAME from dual union all
select '100','3','BBB' from dual union all
select '200','1','CC' from dual union all
select '200','2','DDD' from dual union all
select '200','3','EEEE' from dual)
select decode(row_number() over(partition by ID order by name),1,id) ID,u_id,name
from t;
ID U NAME
100 1 AAA
3 BBB
200 1 CC
2 DDD
3 EEEE
Thanks,
Ramadurga
Edited by: 968136 on Nov 2, 2012 12:20 PM