题解 | #确定哪些订单购买了 prod_id 为 BR01
确定哪些订单购买了 prod_id 为 BR01 的产品（一）
https://www.nowcoder.com/practice/b692b0174c0444fa9452aee2d082fbbb
select cust_id,order_date from Orders
where order_num in
(
select order_num from OrderItems
where prod_id = 'BR01'
)
order by order_date asc
第四行的order_num 很容易写成prod_id，因此必须写对
