题解 | #返回购买 prod_id 为 BR01 的产品的所有顾客的电子邮件(二)#
返回购买 prod_id 为 BR01 的产品的所有顾客的电子邮件(二)
http://www.nowcoder.com/practice/c7aa73afc41f4dfc925baebdd175c345
select Customers.cust_email from OrderItems join Orders on OrderItems.order_num = Orders.order_num join Customers on Orders.cust_id = Customers.cust_id where OrderItems.prod_id = "BR01"