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Development Tools Database Foundations SQL Calculating, Aggregating and Other Functions Grouping, Joining and Cleaning Up

Tomas Smalakys
Tomas Smalakys
5,501 Points
Posted by Tomas Smalakys
Tomas Smalakys
5,501 Points

What is wrong with my query ?

SELECT title, IFNULL(AVG(score),0) AS average FROM reviews LEFT OUTER JOIN movies ON reviews.movie_id = movies.id GROUP BY movie_id HAVING average > 2

2 Answers

Steven Blackwood
Steven Blackwood
4,081 Points
Steven Blackwood
Steven Blackwood
4,081 Points

If it's the code challenge I'm thinking of, he wants the results less than 2. That one caught me, too. I think it's his British phrasing of the question :)

King Penson II
King Penson II
16,413 Points
King Penson II
King Penson II
16,413 Points

Had to do a right outer join to make it work