mysql> SELECT * FROM wizard WHERE birthday BETWEEN '1975-01-01' AND '1985-01-01';
+----+-----------+----------+------------+-------------+---------------------------------------+-----------+
| id | firstname | lastname | birthday   | birth_place | biography                             | is_muggle |
+----+-----------+----------+------------+-------------+---------------------------------------+-----------+
| 43 | harry     | potter   | 1980-07-31 | london      |                                       |         0 |
| 44 | hermione  | granger  | 1979-09-19 |             | Friend of Harry Potter                |         0 |
| 46 | ron       | weasley  | 1980-03-01 |             | Best friend of Harry                  |         0 |
| 47 | ginny     | weasley  | 1981-08-11 |             | Sister of Ron and girlfriend of Harry |         0 |
| 48 | fred      | weasley  | 1978-04-01 |             |                                       |         0 |
| 49 | george    | weasley  | 1978-04-01 |             |                                       |         0 |
| 52 | drago     | malefoy  | 1980-06-05 |             |                                       |         0 |
| 56 | dudley    | dursley  | 1980-06-23 |             | Cousin d'Harry                        |         1 |
+----+-----------+----------+------------+-------------+---------------------------------------+-----------+
8 rows in set (0.00 sec)

========================================

mysql> SELECT firstname FROM wizard WHERE firstname LIKE 'H%';
+-----------+
| firstname |
+-----------+
| harry     |
| hermione  |
+-----------+
2 rows in set (0.00 sec)

========================================

mysql> SELECT firstname, lastname FROM wizard WHERE lastname LIKE 'Potter' ORDER BY firstname ASC;
+-----------+----------+
| firstname | lastname |
+-----------+----------+
| harry     | potter   |
| lily      | potter   |
+-----------+----------+
2 rows in set (0.00 sec)

========================================

mysql> SELECT lastname, birthday FROM wizard ORDER BY birthday ASC LIMIT 1;
+------------+------------+
| lastname   | birthday   |
+------------+------------+
| dumbledore | 1881-07-01 |
+------------+------------+
1 row in set (0.00 sec)