Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Databases Reporting with SQL Aggregate and Numeric Functions Averaging Values

missing a step?

SELECT AVG(movie_id) FROM reviews WHERE id = 6 GROUP BY rating AS "average_raiting";

1 Answer

Steven Parker
Steven Parker
217,533 Points

You're getting close, but there's a few issues:

  • the instructions ask for the "average rating", not the average "movie_id"
  • the alias must follow the field in the SELECT clause
  • it's the "movie_id" that should be checked instead of the row "id"
  • you won't need GROUP BY