MySQL 中的哪个函数用于反转特定字符串？

mysql> Select REVERSE('Tutorialspoint');
+---------------------------+
| REVERSE('Tutorialspoint') |
+---------------------------+
| tNIOpslairotuT            |
+---------------------------+
1 row in set (0.00 sec)

mysql> Select Reverse('10-11-12');
+---------------------+
| Reverse('10-11-12') |
+---------------------+
| 21-11-01            |
+---------------------+
1 row in set (0.00 sec)