题解 | 查找所有员工
查找所有员工的last_name和first_name以及对应部门编号dept_no
https://www.nowcoder.com/practice/dbfafafb2ee2482aa390645abd4463bf
SELECT
e.last_name
,e.first_name
,d.dept_no
FROM employees e
LEFT JOIN dept_emp d
ON e.emp_no = d.emp_no
;
END
