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  5. Applying SQL to Real-World Problems

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Bài tập

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;

Hướng dẫn 1/4

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Câu hỏi

What steps should you take here to adhere to the best practices you've learned in this chapter?

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