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

try this:

SELECT
G.id,
G.name1,
stuff(
    (select cast(',' as varchar(10)) + U.product
    from prod U
    WHERE U.id_name = G.id
    order by U.product
    for xml path('')
), 1, 1, '') AS prod
FROM name G
ORDER BY G.name1 ASC