---

+------------+-----------+
| User       | Host      |
+------------+-----------+
| phpbb_user | localhost |
+------------+-----------+
root@663318:~# sudo mysql -e "SHOW GRANTS FOR 'phpbb_user'@'localhost';"
+----------------------------------------------------------------+
| Grants for phpbb_user@localhost                                |
+----------------------------------------------------------------+
| GRANT USAGE ON *.* TO `phpbb_user`@`localhost`                 |
| GRANT ALL PRIVILEGES ON `testbd`.* TO `phpbb_user`@`localhost` |
+----------------------------------------------------------------+