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It appears that all of the tutorials are based on SQL-generated models. However, I'm trying to create a simple model from scratch, and there are limitations that seem to be imposed by the UI.
For instance, how does one specify a one-to-many relationship between two entities? The relationship dialog only accepts a number for the "Items Max" field, and although the tooltip says "(0 for conditional)", the update button remains disabled
until you enter a positive integer. I want to enter "*" to indicate that there is no maximum number of items.
I'm also a bit confused by the terminology. What are "Collections", "Methods", "Entity References", etc. used?