Discuz教程：SQL: SELECT type FROM [Table]usergroups WHERE gr

Discuz! info: MySQL Query Error   Time: 2008-12-4 2:06pm Script: /index.php   SQL: SELECT type FROM [Table]usergroups WHERE groupid="7" Error: No database selected Errno.: 1046 出现此问题是论坛没有安装，请运行安装程序。