問題
https://leetcode.com/problems/customers-who-never-order/
解いた
SELECT name AS 'Customers' FROM Customers LEFT JOIN Orders ON Customers.id = Orders.customerId WHERE customerId IS NULL;
結果
https://leetcode.com/problems/customers-who-never-order/
SELECT name AS 'Customers' FROM Customers LEFT JOIN Orders ON Customers.id = Orders.customerId WHERE customerId IS NULL;