Right, and we saw some examples of Sqlite+torrent in the past; those databases could be made editable more easily (although it would be nice to de-duplicate unchanged parts, not sure if sqlite DBs can be chunked).
Not necessarily sqlite, that said. It might be useful for openstreetmap tiles/db, or indeed repositories like library genesis, wikidata/wikipedia dumps, etc.
So presumably in a similar manner as https://github.com/phiresky/sql.js-httpvfs you could map SQLite pages to leaf torrents too and get the chunking you are looking for.
Not necessarily sqlite, that said. It might be useful for openstreetmap tiles/db, or indeed repositories like library genesis, wikidata/wikipedia dumps, etc.