Number of events in each sport

The full E:R diagram for the database is shown below:

Since the company will be involved in both summer sports and winter sports, it is beneficial to look at all sports in one centralized report.

Your task is to create a query that shows the unique number of events held for each sport. Note that since no relationships exist between these two tables, you will need to use a UNION instead of a JOIN.

This exercise is part of the course

Reporting in SQL

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Exercise instructions

Create a report that shows unique events by sport for both summer and winter events.
Use a UNION to combine the relevant tables.
Use two GROUP BY statements as needed.
Order the final query to show the highest number of events first.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

-- Select sport and events for summer sports
SELECT 
	____, 
    ____(____ ____) AS events
FROM ____
____
UNION
-- Select sport and events for winter sports
SELECT 
	____, 
    ____
FROM ____
____
-- Show the most events at the top of the report
____;

Edit and Run Code