MySQLでテーブル構造を確認する

mysql> explain eip_t_schedule;
+----------------+-------------+------+-----+---------+----------------+
| Field          | Type        | Null | Key | Default | Extra          |
+----------------+-------------+------+-----+---------+----------------+
| schedule_id    | int(11)     | NO   | PRI | NULL    | auto_increment |
| parent_id      | int(11)     | YES  |     | NULL    |                |
| owner_id       | int(11)     | YES  |     | NULL    |                |
| repeat_pattern | varchar(10) | YES  |     | NULL    |                |
| start_date     | datetime    | YES  | MUL | NULL    |                |
| end_date       | datetime    | YES  |     | NULL    |                |
| name           | varchar(99) | YES  |     | NULL    |                |
| place          | varchar(99) | YES  |     | NULL    |                |
| note           | text        | YES  |     | NULL    |                |
| public_flag    | varchar(1)  | YES  |     | NULL    |                |
| edit_flag      | varchar(1)  | YES  |     | NULL    |                |
| create_user_id | int(11)     | YES  |     | NULL    |                |
| update_user_id | int(11)     | YES  |     | NULL    |                |
| create_date    | date        | YES  |     | NULL    |                |
| update_date    | datetime    | YES  |     | NULL    |                |
| mail_flag      | char(1)     | YES  |     | NULL    |                |
+----------------+-------------+------+-----+---------+----------------+

mysql> desc eip_t_schedule;
+----------------+-------------+------+-----+---------+----------------+
| Field          | Type        | Null | Key | Default | Extra          |
+----------------+-------------+------+-----+---------+----------------+
| schedule_id    | int(11)     | NO   | PRI | NULL    | auto_increment |
| parent_id      | int(11)     | YES  |     | NULL    |                |
| owner_id       | int(11)     | YES  |     | NULL    |                |
| repeat_pattern | varchar(10) | YES  |     | NULL    |                |
| start_date     | datetime    | YES  | MUL | NULL    |                |
| end_date       | datetime    | YES  |     | NULL    |                |
| name           | varchar(99) | YES  |     | NULL    |                |
| place          | varchar(99) | YES  |     | NULL    |                |
| note           | text        | YES  |     | NULL    |                |
| public_flag    | varchar(1)  | YES  |     | NULL    |                |
| edit_flag      | varchar(1)  | YES  |     | NULL    |                |
| create_user_id | int(11)     | YES  |     | NULL    |                |
| update_user_id | int(11)     | YES  |     | NULL    |                |
| create_date    | date        | YES  |     | NULL    |                |
| update_date    | datetime    | YES  |     | NULL    |                |
| mail_flag      | char(1)     | YES  |     | NULL    |                |
+----------------+-------------+------+-----+---------+----------------+