I'm not sure that it's a completely different paradigm but Datomic (https://www.datomic.com/ https://www.datomic.com/) is a pretty unique database if you're int

I'm not sure that it's a completely different paradigm but Datomic (https://www.datomic.com/ https://www.datomic.com/) is a pretty unique database if you're interested in thought provoking design. Here's a cool video of Rich Hickey (the creator of Datomic and Clojure) talking about the underlying data structures and design decisions: https://www.datomic.com/ https://www.datomic.com/