You need to create the database and its user in PLESK control panel.
(1) Service --> Databases
(2) Add New Database --> Click the database name that you want to add a user.
(3) Click Add New Dateabase --> type the required name and password.
(4) To administrate you database such as creating table or viewing the data.
You may go to http://mssql.yourdomain.com , enter your database userid and password
(5)Click the database name in the left hand side to show all the availiable functions.
( 6 ) if you want to directly connect to our mssql server , you may download sql servermanagement studio from Microsoft Web Site
( 7 ) To directly connect to our server you need a fixed ip address that allow your local pc to connect to our mssql server. Please send an email to firstname.lastname@example.org . Write down your domain name and fixed ip. We will allow your connection as soon as possible.