Yes, you can backup your database through control panel.
1. Log in to your account in control panel.
2. Click My Services link from upper menu.
3. Browse to the domain for which FTP details you want. Click the detail (rectangle) icon located on the domain.
4. In product details page, Under 'Moodle Details' heading click on 'Moodle Backup' button to start backup.This shows a message of confirmation that your backup is in queue.
Your backup will be completed within 12 hours and you can download backup file (database_dump.sql) through FTP. Backup file is located in fodler named private.