纯分享,可指正
从 Products 表中检索所有的产品名称以及对应的销售总数
https://www.nowcoder.com/practice/2b289b78de1546f38fd24e17e56f1bec
select prod_name,sum(quantity) quant_sold from Products p join OrderItems o on p.prod_id=o.prod_id group by prod_name
从 Products 表中检索所有的产品名称以及对应的销售总数
https://www.nowcoder.com/practice/2b289b78de1546f38fd24e17e56f1bec
select prod_name,sum(quantity) quant_sold from Products p join OrderItems o on p.prod_id=o.prod_id group by prod_name
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