Wizardry schools- Quest3-Data_Handling

data_handling.txt

8 rows in set (0.00 sec)

mysql> UPDATE school
    -> SET country = `Sweden`
    -> WHERE id = 3;
ERROR 1054 (42S22): Unknown column 'Sweden' in 'field list'
mysql> UPDATE school
    -> SET ountry = 'Sweeden'
    -> WHERE id = 3;
ERROR 1054 (42S22): Unknown column 'ountry' in 'field list'
mysql> UPDATE school
    -> SET country = 'Sweeden'
    -> WHERE id = 3;
Query OK, 1 row affected (0.22 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> UPDATE school
    -> SET capacity = 700
    -> WHERE id = 11;
Query OK, 1 row affected (0.10 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> DELETE *  FROM school
    -> WHERE name LIKE 'Magic';
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that
corresponds to your MySQL server version for the right syntax to use near '*  FR
OM school
WHERE name LIKE 'Magic'' at line 1
mysql> DELETE FROM school
    -> WHERE name LIKE 'Magic';
Query OK, 0 rows affected (0.08 sec)

mysql> DELETE FROM school
    -> WHERE name LIKE '%Magic%';
Query OK, 3 rows affected (0.12 sec)

mysql> SELECT * FROM school;
+----+-------------------------------------------------+----------+-------------
---+
| id | name                                            | capacity | country
   |
+----+-------------------------------------------------+----------+-------------
---+
|  2 | Castelobruxo                                    |      380 | Brazil
   |
|  3 | Durmstrang Institute                            |      570 | Sweeden
   |
|  4 | Hogwarts School of Witchcraft and Wizardry      |      450 | United Kingd
om |
|  9 | Ilvermorny School of Witchcraft and Wizardry    |      300 | USA
   |
| 10 | Koldovstoretz                                   |      125 | Russia
   |
+----+-------------------------------------------------+----------+-------------
---+