DBMS > MongoDB vs. TDengine vs. VelocityDB
System Properties Comparison MongoDB vs. TDengine vs. VelocityDB
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|Editorial information provided by DB-Engines|
|Name||MongoDB Xexclude from comparison||TDengine Xexclude from comparison||VelocityDB 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||Time Series DBMS and big data platform||A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)|
|Primary database model||Document store||Time Series DBMS||Graph DBMS|
Object oriented DBMS
|Secondary database models||Spatial DBMS|
Search engine integrated Lucene index, currently in MongoDB Atlas only.
Time Series DBMS Time Series Collections introduced in Release 5.0
Vector DBMS currently available in the MongoDB Atlas cloud service only
|Developer||MongoDB, Inc||TDEngine, previously Taos Data||VelocityDB Inc|
|Current release||6.0.7, June 2023||3.0, August 2022||7.x|
|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 GPL V3, also commercial editions available||commercial|
|Cloud-based only Only available as a cloud service||no MongoDB available as DBaaS (MongoDB Atlas)||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|MongoDB Atlas: Global multi-cloud database with unmatched data distribution and mobility across AWS, Azure, and Google Cloud, built-in automation for resource and workload optimization, and so much more.|
|Server operating systems||Linux|
|Any that supports .NET|
|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||yes|
|Typing predefined data types such as float or date||yes string, integer, double, decimal, boolean, date, object_id, geospatial||yes||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||no|
|SQL Support of SQL||Read-only SQL queries via the MongoDB Atlas SQL Interface||Standard SQL with extensions for time-series applications||no|
|APIs and other access methods||GraphQL|
proprietary protocol using JSON
RESTful HTTP API
|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, via alarm monitoring||Callbacks are triggered when data changes|
|Partitioning methods Methods for storing different data on different nodes||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||Sharding|
|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 can be individually decided for each read operation|
Immediate Consistency default behaviour
|Foreign keys Referential integrity||no typically not used, however similar functionality with DBRef possible||no||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||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 optional, enabled by default||yes||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||Access rights for users and roles||yes||Based on Windows Authentication|
|More information provided by the system vendor|
|Specific characteristics||MongoDB provides an integrated suite of cloud database and data services to accelerate...|
|TDengine™ is a next generation data historian purpose-built for Industry 4.0 and...|
|Competitive advantages||Built around the flexible document data model and unified API, MongoDB is a developer...|
|High Performance: TDengine is purpose-built for handling massive industrial datasets,...|
|Typical application scenarios||AI-enriched intelligent apps (Continental, Telefonica, Iron Mountain) Internet of...|
|TDengine is designed for Industrial IoT scenarios, including: Manufacturing Connected...|
|Key customers||ADP, Adobe, Amadeus, AstraZeneca, Auto Trader, Barclays, BBVA, Bosch, Cisco, CERN,...|
|Market metrics||Hundreds of millions downloads, over 150,000+ Atlas clusters provisioned every month...|
|TDengine has garnered over 21,000 stars on GitHub and is used in over 50 countries...|
|Licensing and pricing models||MongoDB database server: Server-Side Public License (SSPL) . Commercial licenses...|
|TDengine OSS is an open source, cloud native time series database. It includes built-in...|
TDengine High Availability Cluster
TDengine 184.108.40.206 Release Notes
What Is the Industrial IoT?
Ingesting Data from PI System
What Is a Data Historian?
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|Related products and services|
|3rd parties||CData: Connect to Big Data & NoSQL through standard Drivers.|
Navicat for MongoDB gives you a highly effective GUI interface for MongoDB database management, administration and development.
Studio 3T: The world's favorite IDE for working with MongoDB
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
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Technical Customer Support Representative
Level 3 MongoDB Escalation Specialist
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