mysql> desc dummy3
    -> ;
+-------+--------------+------+-----+---------+-------+
| Field | Type         | Null | Key | Default | Extra |
+-------+--------------+------+-----+---------+-------+
| var1  | varchar(255) | YES  |     | NULL    |       |
| var2  | varchar(255) | YES  |     | NULL    |       |
| var3  | varchar(255) | YES  |     | NULL    |       |
+-------+--------------+------+-----+---------+-------+
3 rows in set (0.00 sec)