mysql> INSERT INTO school (name, country, capacity) VALUES ('Beauxbatons Academy of Magic', 'France', 550),

    -> ('Castelobruxo','Brazil',380),
    -> ('Durmstrang Institute','Norway',570),
    -> ('Hogwarts School of Witchcraft and Wizardry','United Kingdom',450),
    -> ('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, 8 rows affected (0.07 sec)
Records: 8  Duplicates: 0  Warnings: 0

mysql> UPDATE school
    -> SET country='Sweden'
    -> WHERE id=3;

mysql> UPDATE school
    -> SET capacity=700
    -> WHERE id=7;

mysql> DELETE FROM school
    -> WHERE name LIKE '%Magic%';
Query OK, 3 rows affected (0.06 sec)

mysql> SELECT * FROM school;
+----+----------------------------------------------+----------+----------------+
| id | name                                         | capacity | country        |
+----+----------------------------------------------+----------+----------------+
|  2 | Castelobruxo                                 |      380 | Brazil         |
|  3 | Durmstrang Institute                         |      570 | Sweden         |
|  4 | Hogwarts School of Witchcraft and Wizardry   |      450 | United Kingdom |
|  5 | Ilvermorny School of Witchcraft and Wizardry |      300 | USA            |
|  6 | Koldovstoretz                                |      125 | Russia         |
+----+----------------------------------------------+----------+----------------+
5 rows in set (0.00 sec)