DBMS > Atos Standard Common Repository vs. HarperDB vs. SiteWhere vs. Transwarp KunDB

System Properties Comparison Atos Standard Common Repository vs. HarperDB vs. SiteWhere vs. Transwarp KunDB

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	HarperDB  Xexclude from comparison	SiteWhere  Xexclude from comparison	Transwarp KunDB  Xexclude from comparison
	This system has been discontinued and will be removed from the DB-Engines ranking.
Description	Highly scalable database system, designed for managing session and subscriber data in modern mobile communication networks	Ultra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.	M2M integration platform for persisting/querying time series data	OLTP DBMS based on a distributed architecture and highly compatible with MySQL and Oracle
Primary database model	Document store Key-value store	Document store	Time Series DBMS	Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.60 Rank #244   Overall #38   Document stores	Score 0.06 Rank #383   Overall #43   Time Series DBMS	Score 0.14 Rank #341   Overall #149   Relational DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.harperdb.io	github.com/­sitewhere/­sitewhere	www.transwarp.cn/­en/­product/­kundb
Technical documentation		docs.harperdb.io/­docs	sitewhere1.sitewhere.io/­index.html
Developer	Atos Convergence Creators	HarperDB	SiteWhere	Transwarp
Initial release	2016	2017	2010
Current release	1703	3.1, August 2021
License Commercial or Open Source	commercial	commercial free community edition available	Open Source Common Public Attribution License Version 1.0	commercial
Cloud-based only Only available as a cloud service	no	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language	Java	Node.js	Java
Server operating systems	Linux	Linux OS X	Linux OS X Windows
Data scheme	Schema and schema-less with LDAP views	dynamic schema	predefined scheme	yes
Typing predefined data types such as float or date	optional	yes JSON data types	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.	yes	no	no
Secondary indexes	yes	yes	no	yes
SQL Support of SQL	no	SQL-like data manipulation statements	no	yes
APIs and other access methods	LDAP	JDBC ODBC React Hooks RESTful HTTP/JSON API WebSocket	HTTP REST
Supported programming languages	All languages with LDAP bindings	.Net C C# C++ ColdFusion D Dart Delphi Erlang Go Haskell Java JavaScript (Node.js) Lisp MatLab Objective C Perl PHP PowerShell Prolog Python R Ruby Rust Scala Swift
Server-side scripts Stored procedures	no	Custom Functions since release 3.1		yes
Triggers	yes	no		yes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	A table resides as a whole on one (or more) nodes in a cluster	Sharding based on HBase	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes	yes the nodes on which a table resides can be defined	selectable replication factor based on HBase
MapReduce Offers an API for user-defined Map/Reduce methods		no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Immediate Consistency or Eventual Consistency depending on configuration	Immediate Consistency	Immediate Consistency	Immediate Consistency
Foreign keys Referential integrity	no	no	no	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	Atomic execution of specific operations	no	ACID
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes, using LMDB	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	yes	no
User concepts Access control	LDAP bind authentication	Access rights for users and roles	Users with fine-grained authorization concept	yes
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More resources
	Atos Standard Common Repository	HarperDB	SiteWhere	Transwarp KunDB
Recent citations in the news		Serent Capital invests in software firm HarperDB 12 June 2024, PE Hub HarperDB Attracts Significant Growth Investment from Serent Capital 12 June 2024, Business Wire HarperDB Receives Growth Investment from Serent Capital 12 June 2024, FinSMEs Startups of the Year 2023: Meet HarperDB - A Database and Application Development Platform 22 June 2023, hackernoon.com Jaxon Repp on HarperDB Distributed Database Platform 23 March 2022, InfoQ.com provided by Google News	SiteWhere: An open platform for connected devices 11 July 2017, Open Source For You 11 Best Open source IoT Platforms To Develop Smart Projects 9 March 2023, H2S Media provided by Google News

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