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) as orders
from Products t1
left join OrderItems t2
on t2.prod_id = t1.prod_id
group by t1.prod_name
order by t1.prod_name
/*SQL*/;