题解 | #顾客登录名#
顾客登录名
http://www.nowcoder.com/practice/7cbf5e3082954c21a80fc750ce97350f
select cust_id,cust_name,upper(concat(substr(cust_name,1,2),substr(cust_city,1,3))) as user_login from Customers
顾客登录名
http://www.nowcoder.com/practice/7cbf5e3082954c21a80fc750ce97350f
select cust_id,cust_name,upper(concat(substr(cust_name,1,2),substr(cust_city,1,3))) as user_login from Customers
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