题解 | #列出供应商及其可供产品的数量#
列出供应商及其可供产品的数量
https://www.nowcoder.com/practice/17f22851cf204019b51a36761a3afc79
select t1.vend_id,count(prod_id) from Vendors t1 left join Products t2 on t1.vend_id=t2.vend_id group by t1.vend_id order by t1.vend_id asc
列出供应商及其可供产品的数量
https://www.nowcoder.com/practice/17f22851cf204019b51a36761a3afc79
select t1.vend_id,count(prod_id) from Vendors t1 left join Products t2 on t1.vend_id=t2.vend_id group by t1.vend_id order by t1.vend_id asc
相关推荐
下午吃泡馍:数字马力的薪资一般哇,5年经验的java/测试就给人一万出头,而且刚入职第三天就让人出差,而且是出半年
帮你内推|数字马力 校招