每月注册人数 mysql> select Year(from_unixtime(user_regdate)) as Year, Month(from_unixtime(user_regdate)) as Month, count(*) as Total from phpbb_users group by Year,Month; 每月发贴量统计 mysql> select Year(from_unixtime(post_time)) as Year, Month(from_unixtime(post_time)) as Month, count(*) as Total from phpbb_po...