题解 | #确定哪些订单购买了指定产品（一）#
确定哪些订单购买了 prod_id 为 BR01 的产品（一）
https://www.nowcoder.com/practice/b692b0174c0444fa9452aee2d082fbbb
# 查询购买了BR01产品的订单
select order_num
from OrderItems
where prod_id = 'BR01'
# 查询购买了该产品的订单所对应的顾客ID和订单日期
select cust_id, order_date
from Orders
where order_num in(
select order_num
from OrderItems
where prod_id = 'BR01'
)
order by order_date;
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