⏳ Last days of October! SQLtest.online is free thanks to donations, and we still need to reach this month's goal to keep the site running in November. Every donation counts. Support now →
SQL code copied to buffer
Task 50:

Average Movie Length by Category

MySQL
Calculate the average length of movies for each category. 
Display the result in two columns category and avg_film_length sorted by category in alphabetical order.
Expected result Columns: 2 · Rows: 16
category avg_film_length

Sample rows open after wrong checks: 0 of 2

Write your query below and click "Check it!". Tables are described in the right pane.

Tutorial
The query result will appear here. Ctrl+Enter - Run query