問1
(1)
mysql> select gender,birthday,dep_id from employee
    -> where gender='女'
    -> and(birthday>='1990-01-01' or dep_id='D003');
+--------+------------+--------+
| gender | birthday   | dep_id |
+--------+------------+--------+
| 女     | 1990-02-11 | D002   |
| 女     | 1985-11-23 | D003   |
| 女     | 1970-05-03 | D003   |
+--------+------------+--------+
3 rows in set (0.00 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 (0.00 sec)

(3)
mysql> select name from employee where name like '%良%';
+----------+
| name     |
+----------+
| 高橋良子 |
| 鈴木良枝 |
+----------+
2 rows in set (0.00 sec)

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