题解 | SQL213
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 e.last_name ,e.first_name ,de.dept_name from employees e left join dept_emp d on e.emp_no=d.emp_no left join departments de on d.dept_no = de.dept_no
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