(1)
mysql> select name, gender, birthday, salary from employee
    -> where gender='女'
    -> and ( birthday>='1990-01-01' or dep_id='D003' );
+----------+--------+------------+--------+
| name     | gender | birthday   | salary |
+----------+--------+------------+--------+
| 鈴木花子 | 女     | 1990-02-11 | 250000 |
| 高橋良子 | 女     | 1985-11-23 | 300000 |
| 鈴木良枝 | 女     | 1970-05-03 | 450000 |
+----------+--------+------------+--------+
3 rows in set (0.25 sec)

(2)
mysql> select dep_id, name from department
    -> where name in ('総務部', 'システム開発部');
+--------+----------------+
| dep_id | name           |
+--------+----------------+
| D001   | 総務部         |
| D003   | システム開発部 |
+--------+----------------+
2 rows in set (0.05 sec)

(3)
mysql> select name from employee where name like '%良%';
+----------+
| name     |
+----------+
| 高橋良子 |
| 鈴木良枝 |
+----------+
2 rows in set (0.02 sec)

(4)
mysql>  select name from department where name like '%務%';
+--------+
| name   |
+--------+
| 総務部 |
+--------+
1 row in set (0.00 sec)