<|im_start|>user
How can I retrieve a list of all employees along with their associated department names, even if some employees are not assigned to any department?<|im_end|>
<|im_start|>assistant
```sql
SELECT e.employee_id, e.name, d.department_name
FROM Employees e
LEFT JOIN Departments d ON e.department_id = d.department_id;
```<|im_end|>

<|im_start|>user
How can I retrieve a list of all employees along with their associated department names, even if some employees are not assigned to any department?<|im_end|>
<|im_start|>assistant
```sql
SELECT e.employee_id, e.name, d.department_name
FROM Employees e
JOIN Departments d ON e.department_id = d.department_id
WHERE d.department_name IS NOT NULL;
```<|im_end|>

How can I retrieve a list of all employees along with their associated department names, even if some employees are not assigned to any department?