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）
https://www.nowcoder.com/practice/c7aa73afc41f4dfc925baebdd175c345
select C.cust_email from (select order_num from OrderItems where prod_id='BR01') OI join Orders O on OI.order_num = O.order_num join Customers C on O.cust_id = C.cust_id
投递字节跳动等公司10个岗位