要使用 first_name 后面的两个字符排序,第一时间就想到要使用截取的操作

select first_name
from employees
order by substr(first_name, length(first_name) - 1);

看评论区后,发现有更优雅的实现方式

select first_name from employees order by right(first_name,2);

select first_name from employees order by substr(first_name,-2);