Even for document data, Postgres is quite competitive https://www.percona.com/live/e17/sites/default/files/slides/High%20Performance%20JSON%20-%20PostgreSQL%20

Even for document data, Postgres is quite competitive https://www.percona.com/live/e17/sites/default/files/slides/High%20Performance%20JSON%20-%20PostgreSQL%20vs.%20MongoDB%20-%20FileId%20-%20115573.pdf https://www.percona.com/live/e17/sites/default/files/slides/...