text: // https://leetcode.com/problems/customers-who-never-order
  
  # Write your MySQL query statement below
  select
      tmp.Name as Customers
  from (
      select 
          Customers.Id, Customers.Name, Orders.CustomerId
      from Customers
      left join Orders on Customers.Id = Orders.CustomerId
      )
  as tmp
  where
      tmp.CustomerId is null;
      