sql - Rolling up multiple rows into single row using 2 tables -

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is there way change sql query return multiple rows same values single row comma separated?

table1 ------ col1 ------ sci-fi action crime  table2 ------------ col1 | col2 ------------ 1    | action 1    | sci-fi 2    | crime 2    | action 2    | sci-fi

and need query results this: (table1 , table2 combined)

---------------------------- col1 |  col2 ---------------------------- 1    | action, sci-fi 2    | crime, action, sci-fi

select mg.movie_id , stuff(( select ',' + g.genre_name movie_genre g g.movie_id = mg.movie_id order g.genre_name xml path('') ), 1, 1, '') genres movie_genre mg group mg.movie_id

credit this post crazy awesome stuff expression.


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