DBMS > MongoDB vs. Postgres-XL
System Properties Comparison MongoDB vs. Postgres-XL
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|Editorial information provided by DB-Engines|
|Name||MongoDB Xexclude from comparison||Postgres-XL Xexclude from comparison|
|Description||One of the most popular document stores available both as a fully managed cloud service and for deployment on self-managed infrastructure||Based on PostgreSQL enhanced with MPP and write-scale-out cluster features|
|Primary database model||Document store||Relational DBMS|
|Secondary database models||Spatial DBMS|
Search engine integrated Lucene index, currently in MongoDB Atlas only.
|Initial release||2009||2014 since 2012, originally named StormDB|
|Current release||4.4.5, April 2021||10 R1, October 2018|
|License Commercial or Open Source||Open Source MongoDB Inc.'s Server Side Public License v1. Prior versions were published under GNU AGPL v3.0. Commercial licenses are also available.||Open Source Mozilla public license|
|Cloud-based only Only available as a cloud service||no MongoDB available as DBaaS (MongoDB Atlas)||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|Server operating systems||Linux|
|Data scheme||schema-free Although schema-free, documents of the same collection often follow the same structure. Optionally impose all or part of a schema by defining a JSON schema.||yes|
|Typing predefined data types such as float or date||yes string, integer, double, decimal, boolean, date, object_id, geospatial||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||yes XML type, but no XML query functionality|
|SQL Support of SQL||Read-only SQL queries via the MongoDB Connector for BI||yes distributed, parallel query execution|
|APIs and other access methods||proprietary protocol using JSON||ADO.NET|
native C library
streaming API for large objects
|Supported programming languages||Actionscript unofficial driver|
Clojure unofficial driver
ColdFusion unofficial driver
D unofficial driver
Dart unofficial driver
Delphi unofficial driver
Groovy unofficial driver
Lisp unofficial driver
Lua unofficial driver
MatLab unofficial driver
PowerShell unofficial driver
Prolog unofficial driver
R unofficial driver
Smalltalk unofficial driver
|Triggers||yes in MongoDB Atlas only||yes|
|Partitioning methods Methods for storing different data on different nodes||Sharding partitioned by hashed, ranged, or zoned sharding keys||horizontal partitioning|
|Replication methods Methods for redundantly storing data on multiple nodes||Multi-Source deployments with MongoDB Atlas Global Clusters|
|MapReduce Offers an API for user-defined Map/Reduce methods||yes||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
Immediate Consistency can be individually decided for each write operation
|Foreign keys Referential integrity||no typically not used, however similar functionality with DBRef possible||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||Multi-document ACID Transactions with snapshot isolation||ACID MVCC|
|Concurrency Support for concurrent manipulation of data||yes||yes|
|Durability Support for making data persistent||yes optional||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes In-memory storage engine introduced with MongoDB version 3.2||no|
|User concepts Access control||Access rights for users and roles||fine grained access rights according to SQL-standard|
|More information provided by the system vendor|
|Specific characteristics||MongoDB is the leading modern, general purpose data platform, designed to unleash...|
|Competitive advantages||The MongoDB platform can be used by developers building transactional, operational,...|
|Typical application scenarios||Internet of Things and Time Series (Bosch, Jaguar Land Rover) Mobile (The Weather...|
|Key customers||ADP, Adobe, Amadeus, AstraZeneca, Auto Trader, Barclays, BBVA, Bosch, Cisco, CERN,...|
|Market metrics||125 million downloads (growing at more than 30 thousand downloads per day), over...|
|Licensing and pricing models||MongoDB database server: Server-Side Public License (SSPL) . Commercial licenses...|
We invite representatives of system vendors to contact us for updating and extending the system information,
|Related products and services|
|3rd parties||Studio 3T: The world's favorite IDE for working with MongoDB|
CData: Connect to Big Data & NoSQL through standard Drivers.
Datadog: Visualize all your MongoDB metrics.
Fivetran: Quickly and easily centralize your on-premise and cloud databases.
ClusterControl: the only management system you’ll ever need to take control of your open source database infrastructure.
Navicat for MongoDB gives you a highly effective GUI interface for MongoDB database management, administration and development.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|DB-Engines blog posts|
PostgreSQL is the DBMS of the Year 2020 PostgreSQL is the DBMS of the Year 2018 PostgreSQL moves up one rank at the expense of MongoDB
PostgreSQL is the DBMS of the Year 2018 PostgreSQL moves up one rank at the expense of MongoDB
PostgreSQL moves up one rank at the expense of MongoDB
|Conferences and events|
An Introduction to MongoDB Query API
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