There's a huge difference. Postgresql was formally correct first, then it became fast, then it became easy to use. I always had the feeling I could trust it wit

There's a huge difference. Postgresql was formally correct first, then it became fast, then it became easy to use. I always had the feeling I could trust it with my data. Postgresql, if wrong, would be wrong towards correctedness and towards data safety, at the expense of speed. I definitely don't get the same vibe from MongoDB.