题解 | 顾客登录名
顾客登录名
https://www.nowcoder.com/practice/7cbf5e3082954c21a80fc750ce97350f
select cust_id, cust_name, upper(concat(left(cust_name, 2), left(cust_city, 3))) as user_login from Customers;
顾客登录名
https://www.nowcoder.com/practice/7cbf5e3082954c21a80fc750ce97350f
select cust_id, cust_name, upper(concat(left(cust_name, 2), left(cust_city, 3))) as user_login from Customers;
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