Koen Verbeeck makes use of system databases in a database project:
I have a database project in Visual Studio. Inside the database, I use a couple of system views to fetch some metadata about tables. To make the project build successfully, you need to add a reference to the master database in the project.
That all works fine but there’s a bit more you need to do before Azure DevOps can work with the file. Read on to learn what that thing is.