DBMS > Apache IoTDB vs. MongoDB vs. NCache
System Properties Comparison Apache IoTDB vs. MongoDB vs. NCache
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|Editorial information provided by DB-Engines|
|Name||Apache IoTDB Xexclude from comparison||MongoDB Xexclude from comparison||NCache Xexclude from comparison|
|Description||An IoT native database with high performance for data management and analysis, deployable on the edge and the cloud and integrated with Hadoop, Spark and Flink||One of the most popular document stores available both as a fully managed cloud service and for deployment on self-managed infrastructure||Open-Source and Enterprise in-memory Key-Value Store|
|Primary database model||Time Series DBMS||Document store||Key-value store|
|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
Search engine Using distributed Lucene
|Developer||Apache Software Foundation||MongoDB, Inc||Alachisoft|
|Current release||1.1.0, April 2023||6.0.7, June 2023||5.3, September 2022|
|License Commercial or Open Source||Open Source Apache Version 2.0||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 Enterprise Edition available|
|Cloud-based only Only available as a cloud service||no||no MongoDB available as DBaaS (MongoDB Atlas)||no|
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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.|
|Implementation language||Java||C++||C#, .NET, .NET Core, Java|
|Server operating systems||All OS with a Java VM (>= 1.8)||Linux|
|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.||schema-free|
|Typing predefined data types such as float or date||yes||yes string, integer, double, decimal, boolean, date, object_id, geospatial||partial Supported data types are Lists, Queues, Hashsets, Dictionary and Counter|
|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||SQL-like query language||Read-only SQL queries via the MongoDB Atlas SQL Interface||SQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.|
|APIs and other access methods||JDBC|
proprietary protocol using JSON
Proprietary native API
|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||yes Notifications|
|Partitioning methods Methods for storing different data on different nodes||horizontal partitioning (by time range) + vertical partitioning (by deviceId)||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.||yes|
|Replication methods Methods for redundantly storing data on multiple nodes||selectable replication methods; using Raft/IoTConsensus algorithm to ensure strong/eventual data consistency among multiple replicas||Multi-Source deployments with MongoDB Atlas Global Clusters|
|yes, with selectable consistency level|
|MapReduce Offers an API for user-defined Map/Reduce methods||Integration with Hadoop and Spark||yes||yes|
|Consistency concepts Methods to ensure consistency in a distributed system||Eventual Consistency|
Strong Consistency with Raft
|Eventual Consistency can be individually decided for each read operation|
Immediate Consistency default behaviour
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
|Foreign keys Referential integrity||no||no typically not used, however similar functionality with DBRef possible||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||no||Multi-document ACID Transactions with snapshot isolation||optimistic locking and pessimistic locking|
|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||yes In-memory storage engine introduced with MongoDB version 3.2||yes|
|User concepts Access control||yes||Access rights for users and roles||Authentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)|
|More information provided by the system vendor|
|Specific characteristics||MongoDB provides an integrated suite of cloud database and data services to accelerate...|
|NCache has been the market leader in .NET Distributed Caching since 2005 . NCache...|
|Competitive advantages||Built around the flexible document data model and unified API, MongoDB is a developer...|
|NCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...|
|Typical application scenarios||AI-enriched intelligent apps (Continental, Telefonica, Iron Mountain) Internet of...|
|NCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...|
|Key customers||ADP, Adobe, Amadeus, AstraZeneca, Auto Trader, Barclays, BBVA, Bosch, Cisco, CERN,...|
|Bank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...|
|Market metrics||Hundreds of millions downloads, over 150,000+ Atlas clusters provisioned every month...|
|Market Leader in .NET Distributed Caching since 2005.|
|Licensing and pricing models||MongoDB database server: Server-Side Public License (SSPL) . Commercial licenses...|
|NCache Open Source is free on an as-is basis without any support. NCache Enterprise...|
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