DBMS > IBM Db2 vs. MongoDB vs. VelocityDB
System Properties Comparison IBM Db2 vs. MongoDB vs. VelocityDB
Please select another system to include it in the comparison.
|Editorial information provided by DB-Engines|
|Name||IBM Db2 formerly named DB2 or IBM Database 2 Xexclude from comparison||MongoDB Xexclude from comparison||VelocityDB Xexclude from comparison|
|Description||Common in IBM host environments, 2 different versions for host and Windows/Linux||One of the most popular document stores available both as a fully managed cloud service and for deployment on self-managed infrastructure||A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)|
|Primary database model||Relational DBMS Since Version 10.5 support for JSON/BSON documents compatible with MongoDB||Document store||Graph DBMS|
Object oriented DBMS
|Secondary database models||Document store|
RDF store in Db2 LUW (Linux, Unix, Windows)
Spatial DBMS with Db2 Spatial Extender
Search engine integrated Lucene index, currently in MongoDB Atlas only.
Time Series DBMS Time Series Collections introduced in Release 5.0
|Developer||IBM||MongoDB, Inc||VelocityDB Inc|
|Initial release||1983 host version||2009||2011|
|Current release||12.1, October 2016||6.0.1, August 2022||7.x|
|License Commercial or Open Source||commercial free version is available||Open Source MongoDB Inc.'s Server Side Public License v1. Prior versions were published under GNU AGPL v3.0. Commercial licenses are also available.||commercial|
|Cloud-based only Only available as a cloud service||no||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.
|ScaleGrid for MongoDB Database: Fully managed hosting for MongoDB Database on a wide variety of cloud providers and On-Premises. Automate your management, scaling and backups through one centralized platform.|
|Implementation language||C and C++||C++||C#|
|Server operating systems||AIX|
|Any that supports .NET|
|Data scheme||yes||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||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.||no|
|SQL Support of SQL||yes||Read-only SQL queries via the MongoDB Connector for BI||no|
|APIs and other access methods||ADO.NET|
JSON style queries MongoDB compatible
|proprietary protocol using JSON||.Net|
|Supported programming languages||C|
|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||yes in MongoDB Atlas only||Callbacks are triggered when data changes|
|Partitioning methods Methods for storing different data on different nodes||Sharding only with Windows/Unix/Linux Version||Sharding Partitioned by hashed, ranged, or zoned sharding keys. Live resharding allows users to change their shard keys as an online operation with zero downtime.||Sharding|
|Replication methods Methods for redundantly storing data on multiple nodes||yes with separate tools (MQ, InfoSphere)||Multi-Source deployments with MongoDB Atlas Global Clusters|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||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||yes||no typically not used, however similar functionality with DBRef possible||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||Multi-document ACID Transactions with snapshot isolation||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes optional, enabled by default||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||yes|
|User concepts Access control||fine grained access rights according to SQL-standard||Access rights for users and roles||Based on Windows Authentication|
More information provided by the system vendor
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|
Navicat for MongoDB gives you a highly effective GUI interface for MongoDB database management, administration and development.
CData: Connect to Big Data & NoSQL through standard Drivers.
Percona: Database problems? Not on your watch.
Databases run better with Percona.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|IBM Db2 formerly named DB2 or IBM Database 2||MongoDB||VelocityDB|
|DB-Engines blog posts|
Snowflake is the DBMS of the Year 2021 PostgreSQL is the DBMS of the Year 2020 PostgreSQL is the DBMS of the Year 2018
PostgreSQL is the DBMS of the Year 2020 PostgreSQL is the DBMS of the Year 2018
PostgreSQL is the DBMS of the Year 2018
|Recent citations in the news|
Db2 Web Query: Way More Than Just A Query Tool
The Wonders of Postgres Logical Decoding Messages
What actually is database integrity?
Dremio adds new Apache Iceberg features to its data lakehouse
Db2 goes 'cloud-first' as IBM struggles to lift database dinosaur
provided by Google News
MongoDB Unusual Options Activity For March 23 - MongoDB ...
MongoDB, Inc. Announces Fourth Quarter and Full Year Fiscal 2023 ...
MongoDB's stock falls as light revenue outlook overshadows solid ...
Why Datadog, MongoDB, and DocuSign Fell Today
How Will the Market React to Mongodb Inc (MDB) Stock Getting a Bullish Rating
provided by Google News
provided by Google News
Senior DB2 Database Administrator - Evernorth Health Services - Remote
DB2 UDB DBA
Database Developer - SQL
C Developer with DB2 experience
MongoDB Developer - REMOTE
2023 Software Engineering Recent Grad Positions – Cat Digital
Web Development Opportunities
Junior Backend Developer
Share this page