On accessing myLittleAdmin through Plesk > Domains > example.com > Databases > example.database > myLittleAdmin, insecure HTTP page
The information you’re about to submit is not secure
Because this form is being submitted using a connection that’s not secure, your information will be visible to others.
example.comis secured with an SSL certificate and it is assigned for the domain in Domains > example.com > Hosting & DNS tab > Hosting Settings.
Plesk bug with ID PPPM-8244.
From the server administrator side as a workaround, the desktop SQL Server Management Studio may be installed to manage the database.
Note: For the customers to be able to access the database remotely it may be required to allow remote connections.