Please refer to the following steps to create an MSSQL database from Plesk.

1. Log in to your Plesk panel using your credentials.
   
   
2. At Website & Domains, click on the Databases.
   
   
3. Click on the Add Database button.
   
   
   
   
4. On the below page, enter all the details for database.
   
   

• Database name: Your Database Name
  
  
• Database server: Database Server. Here, you will need to select the MSSQL database.
  
  
• Related site: Your website name for which you want to create this database.
  
  
• Database user name: Username of the Database.
  
  
• Password: Database user password.
  
  
• Confirm Password: Confirm the database user password.
  
  

5. Finally, click on the OK button to create the database.