I can model most of the data that comes across my desk now. But this project keeps shifting under me, new fields, new relationships every week, and every time I think I've got it, the shape changes again. I stare at the diagram feeling like I'm building on sand.
More people experience this than they realize.
You can model ordinary data, but the complex, always-changing structures still defeat you.
If this sounds familiar, the Library can help you find the bigger picture.