How do I generate row number without using rownum() in sql server

Question

I have the following table:

CREATE table prd
(
prdid varchar(10)
)
insert into prd values (\'prd1011\'),(\'prd1023\'),(\'prd4532\'),(\'prd2341\')
         


        

Answer 1

select *, (
    select count(*)
    from prd p2
    where p1.prdid >= p2.prdid
) as cnt
from prd p1