I've worked with both MongoDB and PostgreSQL quite extensively (it's been awhile since I've used MongoDB seriously though). The biggest advantage, and disadvantage, of MongoDB is that it has a flexible schema. MongoDB was developed by the MongoDB Inc. vs Postgres is the product of the PostgreSQL … As far as differences are concerned, this is how they differ: MongoDB is a document-oriented database vs Postgres is an object-relational database. Can someone help me compare these queries and explain why the PostgreSQL query executes in just under 2000ms and the MongoDB aggregate query takes almost 9000ms and sometimes as high as 130K ms? MongoDB vs Postgres: Key differences. Benchmarking databases is even harder. Stack Overflow’s annual Developer Survey is the largest and most comprehensive survey of people who code around the world. Amanda Fawcett Jul 24 Originally published at educative.io ・10 min read. Benchmarking databases that follow different approaches (relational vs document) is harder still. MongoDB vs PostgreSQL: what to consider when choosing a database # database # mongodb # postgres. It's a little known fact that one of the most important parts of designing a system is fleshing out your data model. $\endgroup$ – MASL Nov 11 '15 at 0:40 MongoDB is only about 20% slower when returning author. When you get down to it, this is precisely the debate that rages among data scientists when it comes to PostgreSQL vs. MongoDB, and the right kind of storage for JSON data. Is there a fundamental difference between returning a int and returning a string that could explain this? MongoDB: MongoDB maintains the MongoDB documentation. There are almost no cases where you should use a non-relational datastore over a relational store. Despite the different data models that MongoDB and PostgreSQL expose, many organizations face the challenge of picking either technology. That is, if recid were a string, would the advantage of postgresql vanish and both be around the same as in the case of author? MongoDB handles transactional, operational, and analytical workloads at scale. Benchmarking is hard. This led to an extended downtime for our service, and we had very little visibility into the MongoDB process or status. For those of you who want the news right up front, here it is in 135 words. MongoDB is the leading document database.It is built on a distributed, scale-out architecture and has become a comprehensive cloud-based platform for managing and delivering data to applications. In the past, the Postgres vs. MongoDB debate looked like this: you had Postgres on one side, able to handle SQL (and later NoSQL) data, but not JSON. And then came the knockout punch! Each year, we field a survey covering everything from developers’ favorite technologies to their job preferences. But the market demands these kinds of comparisons. MongoDB vs PostgreSQL: A Comparison in Brief. PostgreSQL: There is a wealth of PostgreSQL information available. Users can also get enterprise support 24x7 via Enterprise grade support. At one point, we needed to reboot our DB server and it took MongoDB 4 hours to come back online. And performance is often the main … MongoDB: MongoDB offers the Community Support Forum, ServerFault, and StackOverflow. You will regret it later if you chose the former. PostgreSQL vs. MongoDB FOSDEM PGDay 2018 Dominic Dwyer Wei Shan Ang. "Relational database", "High availability " and "Enterprise class database" are the key factors why developers consider PostgreSQL; whereas "Scary smart community", "Knows all" and "Voting system" are the primary reasons why Stack Overflow is favored. VS. 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