Mega Code Archive
SELECT INTERVAL 1 DAY + 1997-12-31
mysql>
mysql> SELECT INTERVAL 1 DAY + '1997-12-31';
+-------------------------------+
| INTERVAL 1 DAY + '1997-12-31' |
+-------------------------------+
| 1998-01-01 |
+-------------------------------+
1 row in set (0.00 sec)
mysql>