Is there a Database Control Panel in Plesk ?

“Plesk Power Pack” is the add-on that allows you to manage various databases. MSSql Databases, MySQL Databases, PostgreSQL Databases are supported and manageable through Plesk Power Pack.

How to access Plesk Control Panel

To login to Plesk control panel you will need to use the URL format as given below…
https://yourdomain.com:8443

If domain is new and not propogated yet, then you will need to consider using IP address instead of domain name…
https://IP_Address:8443