题解 | #返回产品名称和每一项产品的总订单数#
返回产品名称和每一项产品的总订单数
https://www.nowcoder.com/practice/1c64fd9048364a58a8ffa541720359a4
select
t1.prod_name,
count(t2.prod_id) orders
from
Products t1
left join
OrderItems t2
on
t1.prod_id = t2.prod_id
group by
t1.prod_name
order by
t1.prod_name
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