mysql> insert into school (name, country, capacity)
    -> VALUES
    -> ('Ilvermorny School of Witchcraft and Wizardry', 'USA', '300'),
    -> ('Koldovstoretz', 'Russia', '125'),
    -> ('Mahoutokoro School of Magic ', 'Japan', '800'),
    -> ('Uagadou School of Magic ', 'Uganda', '350');
Query OK, 4 rows affected (0.00 sec)
Records: 4  Duplicates: 0  Warnings: 0


mysql> UPDATE school SET country='Sweden' WHERE id='4';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0


mysql> UPDATE school SET capacity=700 WHERE id='7';
Query OK, 1 row affected (0.01 sec)
Rows matched: 1  Changed: 1  Warnings: 0


mysql> delete from school where name LIKE '%of Magic%';
Query OK, 3 rows affected (0.00 sec)


mysql> select * from school;
+----+----------------------------------------------+----------+----------------+
| id | name                                         | capacity | country        |
+----+----------------------------------------------+----------+----------------+
|  1 | Hogwarts School of Witchcraft and Wizardry   |      450 | United Kingdom |
|  3 | Castelobruxo                                 |      380 | Brazil         |
|  4 | Durmstrang Institute                         |      570 | Sweden         |
|  5 | Ilvermorny School of Witchcraft and Wizardry |      300 | USA            |
|  6 | Koldovstoretz                                |      125 | Russia         |
+----+----------------------------------------------+----------+----------------+
5 rows in set (0.00 sec)