as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
execute a sql query to find the names of the customers who have not placed any order.
user
select name from customers
where not exists (select * from orders where customers.id = orders.customerid)
assistant