a) ActorDB is not actually all that complex. b) ad-hoc queries tend to be the first thing out the window once you hit a certain size (query load or dataset siz

a) ActorDB is not actually all that complex. b) ad-hoc queries tend to be the first thing out the window once you hit a certain size (query load or dataset size). ActorDB arguably gives you the largest amount of query flexibility out of the new breed of databases, while still being strongly consistent and persistent (not memory only).