题解 | #获取employees中的first_name#
获取employees中的first_name
http://www.nowcoder.com/practice/74d90728827e44e2864cce8b26882105
Right, substr, substring都可以
select first_name from employees
order by right(first_name,2);
order by right(first_name,2);
select first_name from employees
order by substr(first_name,-2);
order by substr(first_name,-2);
select first_name from employees
order by substring(first_name,-2);
order by substring(first_name,-2);
