SQL, questions about join

Question

I have two tables in sql 2012: name and prod with structure:

name: id int increment, name1 nvarchar(50)

prod:

Answer 1

sqlfiddle

select
n.nameid [id],
n.name [name],
count(*)[count],
    stuff(
        (
         select ', ' + p.prod
         from prodtbl as p
         where p.nameid = n.nameid
         for xml path(''),  type).value('.', 'nvarchar(max)'), 1, 1, '') as products
from nametbl n, prodtbl p
where p.nameid = n.nameid
group by n.nameid, n.name
order by [id];