*students_exam_rooms* テーブルが与えられた場合:
+------------+---------+---------+
| student_id | room_id | seat_no |
+------------+---------+---------+
| 1 | 30 | 1001 |
| 2 | 30 | 1002 |
| 3 | 31 | 2001 |
| 4 | 32 | 2002 |
| 5 | 33 | 3001 |
| 6 | 33 | 3002 |
| 7 | 34 | 4001 |
| 8 | 34 | 4002 |
+------------+---------+---------+
そして *students_tbl*:
+------------+-------------+------+
| student_id | studen_name | year |
+------------+-------------+------+
| 1 | Eric | 1 |
| 2 | Mustafa | 1 |
| 3 | Michael | 2 |
| 4 | Andy | 2 |
| 5 | Rafael | 3 |
| 6 | Mark | 3 |
| 7 | Jack | 4 |
| 8 | peter | 4 |
+------------+-------------+------+
*students_exam_rooms* から *students_tbl.year* の順序で選択するにはどうすればよいですか。
+--------------+------+
| student_name | year |
+--------------+------+
| Eric | 1 |
| Michael | 2 |
| Rafael | 3 |
| Jack | 4 |
| Mustafa | 1 |
| Andy | 2 |
| Mark | 3 |
| Peter | 4 |
+--------------+------+