I am trying out a datamodell like the one attached. The goal is for a user to be able to mark that he uses a system already in the Systemcatalog to indicate thas his organisation uses a specific system. That works fine.
After thatt I would like to be able to have a table listing the systems in the Systemcatalog and include a column that shows all organisations that have marked that they use a specific system. I can not seem to get that to work. Is the asociation change too long?
