Students and Departments on Students.department_id and Departments.id.\n- Use a WHERE clause to filter for rows where Departments.id is NULL, indicating that the department does not exist.\n- Select the relevant columns (Students.id and Students.name) from the result set.\nerDiagram\n Departments {\n int id PK\n varchar name\n }\n Students {\n int id PK\n varchar name\n int department_id FK\n }\n Students }|--|| Departments : has\n