Impressive, love it, many thanks! CedrarDB [0] (commercialization of Umbra [1] research DB) would be an interesting contender. The group creating Umbra researc

Impressive, love it, many thanks! CedrarDB [0] (commercialization of Umbra [1] research DB) would be an interesting contender. The group creating Umbra researches on JSON representations in column stores, see [2]. [0] https://cedardb.com/ https://cedardb.com/ (commerciUmbra) [1] https://umbra-db.com/ https://umbra-db.com/ [2] https://db.in.tum.de/~durner/papers/json-tiles-sigmod21.pdf https://db.in.tum.de/~durner/papers/json-tiles-sigmod21.pdf