How can I restore mssql database to your server?

Control Panel V3 > Hostings > Databases
Introduce
 
If your website comes with a sql server database, you will need to migrate your it to our server as well. Please follow the instructions below to migration your sql server from your local to our server end. Please note, we offer you SQL server newest edition of sql server which is compatible with the lower version SQL Server database, you can restore your sql server database to higher edition of sql server database directly.
 
How-to
  1. Please backup your SQL server database from you local or download the backup file from your previous hosting account.
  2. Upload the backup file to your 'db' folder with FTP.
  3. Login to your hosting control panel-->Databases to create a new mssql database, for more details, please click here
  4. Click "Actions" button beside the new database, then click "Restore database" and browse the backup file which you just uploaded to restore it.

Attention
If your current database is MSSQL 2000 database, you can not be able to restore it to mssql 2012 database directly,  you can attached (migrated) it first to a SQL Server 2005, SQL Server 2008 or SQL Server 2008 R2 instance, then backup it and restore it to the SQL Server 2012 instance.