将最佳实践应用到您的代码中
在本练习中,您将根据本章所学的最佳实践,改写下面的代码。
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;
本练习是课程的一部分
在本练习中,您将根据本章所学的最佳实践,改写下面的代码。
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;
本练习是课程的一部分