Need Query - join in same table

Question

I need query for following criteria,
Table : test
No     Order
1     a
1     b
1     c
2     a
2     b
2     d
3     e
3     f
3     g
3     h
1     f
2     f
Consider the above table,
1)     I will give input order as a,b: It should return No 1,2
No     Order
1     a
1     b
1     c
2     a
2     b
2     d
3     e
3     f
3     g
3     h
1     f
2     f
2)     I will give input order as f,g,h: It should return No 3
No     Order
1     a
1     b
1     c
2     a
2     b
2     d
3     e
3     f
3     g
3     h
1     f
2     f
Please give me the query which will give above result.
Thanks

Answer 1

I am not sure I understand you, but it may be this
with test as (
select 1 N, 'a' Ord from dual union all
select 1,'b' from dual union all
select 1,'c' from dual union all
select 2,'a' from dual union all
select 2,'b' from dual union all
select 2,'d' from dual union all
select 3,'e' from dual union all
select 3,'f' from dual union all
select 3,'g' from dual union all
select 3,'h' from dual union all
select 1,'f' from dual union all
select 2,'f' from dual )
select N from test tp where Ord = 'a'
intersect
select N from test tp where Ord = 'b';
with test as (
select 1 N, 'a' Ord from dual union all
select 1,'b' from dual union all
select 1,'c' from dual union all
select 2,'a' from dual union all
select 2,'b' from dual union all
select 2,'d' from dual union all
select 3,'e' from dual union all
select 3,'f' from dual union all
select 3,'g' from dual union all
select 3,'h' from dual union all
select 1,'f' from dual union all
select 2,'f' from dual )
select N from test tp where Ord = 'f'
intersect
select N from test tp where Ord = 'g'
intersect
select N from test tp where Ord = 'h';