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Neutral Reviewers

Write a SQL Query to find the name of all reviewers who have rated their ratings with a NULL value.
Output Schema:
reviewer_name
NOTE: Output column name has to match the given output schema.
Example Output:
reviewer_name
MaxPlank
NeilsBohr
Schrodinger
Schema Design:
Schema Description
Solutions:
SELECT reviewer_name
FROM reviewers
INNER JOIN ratings on reviewers.reviewer_id=ratings.reviewer_id
WHERE reviewer_stars IS NULL;

Comments

  1. :( _-^sH@IL^-_24 June 2021 at 06:29

    select movie_title,
    movie_year,
    concat (director_first_name, director_last_name)director_name,
    concat(actor_first_name, actor_last_name)actors_name,
    role

    from directors d
    right join movies_directors md
    on d.director_id=md.director_id
    right join movies m
    on m.movie_id=md.movie_id
    right join movies_cast mc
    on mc.movie_id=m.movie_id
    right join actors a
    on a.actor_id=mc.actor_id
    order by m.movie_time asc
    limit 1


    ;

    ReplyDelete

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