Wende Best Practices in deinem Code an

In dieser Übung passt du den folgenden Code an, damit er den Best Practices entspricht, die du in diesem Kapitel gelernt hast.

SELECT first_name, last_name, email FROM rental AS r 
-- FROM address AS a JOIN r.address_id = a.address_id
JOIN customer AS c ON r.customer_id = c.customer_id;