1. Login to your Web hosting accounts cpanel and navigate to the Files section and click on Backups.
2. Here you can click on the databases you wish to backup for one click backup and also very simply restore you backups as well.
Using cPanel to Backup your databases manually is very simple and if you ever need to restore then its a simple one click process as well. Not all Web Hosts offer backup so you may need to use a backup plugin.