MulaiMulai sekarang secara gratis

Apply best practices to your code

In this exercise you will update the code below to adhere to the best practices you learned in this chapter.

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;

Latihan ini adalah bagian dari kursus

Applying SQL to Real-World Problems

Lihat Kursus

Latihan interaktif praktis

Ubah teori menjadi tindakan dengan salah satu latihan interaktif kami.

Mulai berolahraga