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 (0.00 sec)
Records: 8  Duplicates: 0  Warnings: 0

mysql> SELECT * FROM school;
+----+----------------------------------------------+----------------+----------+
| id | name                                         | country        | capacity |
+----+----------------------------------------------+----------------+----------+
|  1 | Beauxbatons Academy of Magic                 | France         | 550      |
|  2 | Castelobruxo                                 | Brazil         | 380      |
|  3 | Durmstrang Institute                         | Norway         | 570      |
|  4 | Hogwarts School of Witchcraft and Wizardry   | United Kingdom | 450      |
|  5 | Ilvermorny School of Witchcraft and Wizardry | USA            | 300      |
|  6 | Koldovstoretz                                | Russia         | 125      |
|  7 | Mahoutokoro School of Magic                  | Japan          | 800      |
|  8 | Uagadou School of Magic                      | Uganda         | 350      |
+----+----------------------------------------------+----------------+----------+


//“Durmstrang Institute” est en réalité en Suède (Sweden), modifie son pays.


mysql> UPDATE school SET country='Sweden' WHERE id=3;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> SELECT * FROM school;
+----+----------------------------------------------+----------------+----------+
| id | name                                         | country        | capacity |
+----+----------------------------------------------+----------------+----------+
|  1 | Beauxbatons Academy of Magic                 | France         | 550      |
|  2 | Castelobruxo                                 | Brazil         | 380      |
|  3 | Durmstrang Institute                         | Sweden         | 570      |
|  4 | Hogwarts School of Witchcraft and Wizardry   | United Kingdom | 450      |
|  5 | Ilvermorny School of Witchcraft and Wizardry | USA            | 300      |
|  6 | Koldovstoretz                                | Russia         | 125      |
|  7 | Mahoutokoro School of Magic                  | Japan          | 800      |
|  8 | Uagadou School of Magic                      | Uganda         | 350      |
+----+----------------------------------------------+----------------+----------+


//“Mahoutokoro School of Magic” passe à une capacité de 700


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> SELECT * FROM school;
+----+----------------------------------------------+----------------+----------+
| id | name                                         | country        | capacity |
+----+----------------------------------------------+----------------+----------+
|  1 | Beauxbatons Academy of Magic                 | France         | 550      |
|  2 | Castelobruxo                                 | Brazil         | 380      |
|  3 | Durmstrang Institute                         | Sweden         | 570      |
|  4 | Hogwarts School of Witchcraft and Wizardry   | United Kingdom | 450      |
|  5 | Ilvermorny School of Witchcraft and Wizardry | USA            | 300      |
|  6 | Koldovstoretz                                | Russia         | 125      |
|  7 | Mahoutokoro School of Magic                  | Japan          | 700      |
|  8 | Uagadou School of Magic                      | Uganda         | 350      |
+----+----------------------------------------------+----------------+----------+


/*Supprime en une seule requête toutes les écoles comportant “Magic” dans leur nom (il y en a 3).
Tu peux t’aider du mot clé LIKE.*/


mysql> DELETE FROM school WHERE name LIKE '%Magic';
Query OK, 3 rows affected (0.00 sec)

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

//Ensuite, affiche via une requête SELECT toutes les données de la table school