Nerval's Lobster writes "NoSQL databases sometimes feature a concept called document storage, a way of storing data that differs in radical ways from the means available to traditional relational SQL databases. But what does 'document storage' actually mean, and what are its implications for developers and other IT pros? This SlashBI article focuses on MongoDB; the techniques utilized here are similar in other document-based databases."
You can tune a piano, but you can't tuna fish.
You can tune a filesystem, but you can't tuna fish.
-- from the tunefs(8) man page