mysql> show variables like '%char%';
+--------------------------+--------------------------+
| Variable_name            | Value                    |
+--------------------------+--------------------------+
| character_set_server     | latin1                   |
| character_set_system     | utf8                     |
| character_set_database   | euckr                    |
| character_set_client     | latin1                   |
| character_set_connection | latin1                   |
| character-sets-dir       | C:\mysql\share\charsets/ |
| character_set_results    | latin1                   |
+--------------------------+--------------------------+
7 rows in set (0.00 sec)

mysql> select * from bok;
+---------+-----------+----------+
|     no | kr           |     en |
+---------+-----------+----------+
|       1 | ??? ????. |          |
|       2 | ??? ????. |          |
|       3 | ??? ????. |          |
|       4 | ??? ????. |          |
+---------+-----------+----------+
4 rows in set (0.00 sec)

5.1을 쓰고 있구요.
character set이 위와 같은데...
프로그램에서 insert 했더니
한글이 물음표(???)로 나오는 이유는 뭔가요?
database