Как да добавите пореден номер за групи в SQL заявка без временни таблици

Примерни данни

create table sometable([group] varchar(10), id int, somedata int)
insert sometable select 'Horses', 9, 11
insert sometable select 'chickens', 19, 121
insert sometable select 'Horses', 29, 123
insert sometable select 'chickens', 49, 124
insert sometable select 'Cows', 98, 1
insert sometable select 'Horses', 99, 2

Заявка

select
    Record = ROW_NUMBER() over (order by [Group], id),
    [Group],
    GroupSequence = DENSE_RANK() over (order by [Group])
from sometable

Изход

Record               Group      GroupSequence
-------------------- ---------- --------------------
1                    chickens   1
2                    chickens   1
3                    Cows       2
4                    Horses     3
5                    Horses     3
6                    Horses     3