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Databases Reporting with SQL Aggregate and Numeric Functions Averaging Values

Posted by Derek Morse
Derek Morse
1,776 Points

missing a step?

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

1 Answer

Steven Parker
Steven Parker
229,732 Points
Steven Parker
Steven Parker
229,732 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