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