mysql> describe phones;
+---------+-------------+------+-----+---------+-------+
| Field   | Type        | Null | Key | Default | Extra |
+---------+-------------+------+-----+---------+-------+
| name    | varchar(40) |      | PRI |         |       |
| phone   | varchar(12) | YES  |     | NULL    |       |
| address | varchar(60) | YES  |     | NULL    |       |
+---------+-------------+------+-----+---------+-------+
3 rows in set (0.00 sec)