题解 | 评估2023年不同品牌商品的销售趋势和客户满意度
评估2023年不同品牌商品的销售趋势和客户满意度
https://www.nowcoder.com/practice/a32c7ff803054a919e2b65334463002f
select
brand_id,
sum(sales_amount) as total_sales_amount,
sum(sales_quantity) as total_sales_quantity,
round(avg(satisfaction_score), 2) as avg_satisfaction_score
from
sales_data
join customer_feedback using (sales_id)
where
sales_month between '2023-01-01' and '2023-12-31'
group by
brand_id
order by
brand_id
