Hello,
I tired to import my data from vBulletin 3.8 Big DataBase ( 700MB) above 13000 users, to XenForo 1.1.1 , i created database name is 'old' by Phpmyadmin then use command line to import my old data, by :
C:\xampp\mysql\bin>mysql.exe -u root old < old .sql
mysql.exe: Unknown OS character...