How to filter complex data using pl/sql

Question

Hello,
i have to filter some data from the table with 1millions rows in it.
here the requirement
for example table is TEST
id type
1 a
1 a
1 b
2 c
33 b
33 b
33 c
33 d
5 c
5 c
now i just want to display the results which contains type c only if id is with also connected other than c than i dont want to dislplay that results
so my result will look like .here i dont want to disply id 33 because some the id with 33 are connected with type other than c.
id type
2 c
5 c
so can please give me idea to make a query on that table
thanks in advance

Answer 1

with t as (
           select  1 id,'a' type_cd from dual union all
           select  1 id,'a' type_cd from dual union all
           select  1 id,'b' type_cd from dual union all
           select  2 id,'c' type_cd from dual union all
           select 33 id,'b' type_cd from dual union all
           select 33 id,'b' type_cd from dual union all
           select 33 id,'c' type_cd from dual union all
           select 33 id,'d' type_cd from dual union all
           select  5 id,'c' type_cd from dual union all
           select  5 id,'c' type_cd from dual
select  id,
        type_cd
  from  (
         select  id,
                 type_cd,
                 count(distinct type_cd) over(partition by id) cnt,
                 row_number() over(partition by id,type_cd order by 1) rn
           from  t
  where type_cd = 'c'
    and cnt     = 1
    and rn      = 1
        ID T
         2 c
         5 c
SQL>SY.