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I’m finding it hard to get around my head how the specific scenario would work out:
I have a database server, a web server and a user.
When the user registers a service is created to the web server, the web server then goes to the database server and returns to the web server to register the details.
How would I actually illustrate this.
I have created the three Actors; User, Web Server, Database Server.
As a note I have read many online resources, and also a Book on UML.
Thanks in advance.
Are the DB/web servers part of the system you’re implementing? If so you don’t need them as Actors. UC Diagrams should only show actors outwith the scope of your system.
So you only need one Actor (User) in this case. The Use Case should describe the goal from the User’s perspective (e.g. “Buy a Widget”).
You could show the servers in a diagram showing how the UC is realised – usually a sequence diagram or activity diagram. Although I’d typically expect to see logical entities (classes) as well / instead of the physical servers.
hth.