https://leetcode.com/problems/customers-who-never-order


Runtime: 1289 ms, faster than 5.00% of MySQL online submissions for Customers Who Never Order.

Memory Usage: 0B, less than 100.00% of MySQL online submissions for Customers Who Never Order.


```mysql
#9:24
SELECT name AS Customers FROM Customers AS Table1
WHERE Table1.id
NOT IN (
SELECT customerId
FROM Orders
)
#9:38
```