In general I agree with you, but > You can also store JSON into Postgres, but you should better use MongoDB for NoSQL purposes, right? It's a common folklore

In general I agree with you, but > You can also store JSON into Postgres, but you should better use MongoDB for NoSQL purposes, right? It's a common folklore at this point that Postgres is sometimes a better document store than most NoSQL databases (including Mongo), see for example this which is also at the front page of HN today, https://news.ycombinator.com/item?id=35544499 https://news.ycombinator.com/item?id=35544499