This is great, and worth comparing with, for instance, the Magento data models [1] (from Anna Volkl).

Echoing the comment from rafaelturk about NoSQL, I'd love to see more info on how various industry verticals use DynamoDB as their primary store.

[1] https://anna.voelkl.at/wp-content/uploads/2016/12/ce2.1.3.pn...