Athletes vs events by sport

Now consider the following visualization:

Using the summer_games table, run a query that creates the base report that sources this visualization.

Questo esercizio fa parte del corso

Reporting in SQL

Pull a report that shows each sport, the number of unique events, and the number of unique athletes from the summer_games table.
Group by the non-aggregated field, which is sport.

Prova a risolvere questo esercizio completando il codice di esempio.

-- Query sport, events, and athletes from summer_games
SELECT 
	____, 
    ____ AS events, 
    ____ AS athletes
FROM summer_games
GROUP BY ____;