discuz 中的ucenter是保存在 服务器本地数据库里的还是 保存在 官方 远程服务器上的数据？

在本地，所有表里已经包含ucenter表，不用单独备份。
mysql> show tables like '%ucenter%';
+-------------------------------+
| Tables_in_discuzx (%ucenter%) |
+-------------------------------+
| pre_ucenter_admins |
| pre_ucenter_applications |
| pre_ucenter_badwords |
| pre_ucenter_domains |
| pre_ucenter_failedlogins |
| pre_ucenter_feeds |
| pre_ucenter_friends |
| pre_ucenter_mailqueue |
| pre_ucenter_memberfields |
| pre_ucenter_members |
| pre_ucenter_mergemembers |
| pre_ucenter_newpm |
| pre_ucenter_notelist |
| pre_ucenter_pms |
| pre_ucenter_protectedmembers |
| pre_ucenter_settings |
| pre_ucenter_sqlcache |
| pre_ucenter_tags |
| pre_ucenter_vars |
+-------------------------------+
19 rows in set (000 sec)

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