题解 | #查找所有员工的last_name#
查找所有员工的last_name和first_name以及对应的dept_name
https://www.nowcoder.com/practice/5a7975fabe1146329cee4f670c27ad55
select last_name,first_name,dept_name from employees a left join dept_emp b on a.emp_no = b.emp_no left join departments c on b.dept_no = c.dept_no
只需要表连接好就行了
