You can administrate your database through phpMyAdmin, which can always be found here: https://mysql.simply.com or through your Controlpanel.
You can also make use of database programs such as Sequel Pro, MySQL GUI Tools or HeidiSQL. These database programs give you a possibility to export and import a large amount of data to your database.
The username and password, as well as database and server, can get found through our Controlpanel or on the mail we sent you when you purchased your webhotel.
Article from the support category: MySQL