题解 |
请按城市对客户进行排序,如果城市为空,则按国家排序
https://www.nowcoder.com/practice/c1b1d5bd008b4797ab2ef53a3afc4aba
select * from customers_info order by city,country
请按城市对客户进行排序,如果城市为空,则按国家排序
https://www.nowcoder.com/practice/c1b1d5bd008b4797ab2ef53a3afc4aba
select * from customers_info order by city,country
相关推荐