This reminds me of a website that has been around for many years offering free example schemas, or at least free pictures of them. I think in this case they are

This reminds me of a website that has been around for many years offering free example schemas, or at least free pictures of them. I think in this case they are just internally created rather than collected from external sources, and I don't know the quality or general usefulness, but perhaps handy as a prompt at least. http://www.databaseanswers.org/data_models/ http://www.databaseanswers.org/data_models/