DBMS > Atos Standard Common Repository vs. OpenMLDB vs. SiteWhere vs. SpaceTime

System Properties Comparison Atos Standard Common Repository vs. OpenMLDB vs. SiteWhere vs. SpaceTime

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	OpenMLDB  Xexclude from comparison	SiteWhere  Xexclude from comparison	SpaceTime  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	An open-source machine learning database that provides a feature platform for training and inference	M2M integration platform for persisting/querying time series data	SpaceTime is a spatio-temporal DBMS with a focus on performance.
Primary database model	Document store Key-value store	Time Series DBMS	Time Series DBMS	Spatial DBMS
Secondary database models		Relational DBMS		Relational DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.10 Rank #359   Overall #36   Time Series DBMS	Score 0.06 Rank #383   Overall #43   Time Series DBMS	Score 0.03 Rank #392   Overall #8   Spatial DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	openmldb.ai	github.com/­sitewhere/­sitewhere	www.mireo.com/­spacetime
Technical documentation		openmldb.ai/­docs/­zh/­main	sitewhere1.sitewhere.io/­index.html
Developer	Atos Convergence Creators	4 Paradigm Inc.	SiteWhere	Mireo
Initial release	2016	2020	2010	2020
Current release	1703	2024-2 February 2024
License Commercial or Open Source	commercial	Open Source	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	C++, Java, Scala	Java	C++
Server operating systems	Linux	Linux	Linux OS X Windows	Linux
Data scheme	Schema and schema-less with LDAP views	Fixed schema	predefined scheme	yes
Typing predefined data types such as float or date	optional	yes	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	no
Secondary indexes	yes	yes	no	no
SQL Support of SQL	no	yes	no	A subset of ANSI SQL is implemented
APIs and other access methods	LDAP	JDBC SQLAlchemy	HTTP REST	RESTful HTTP API
Supported programming languages	All languages with LDAP bindings	C++ Go Java Python Scala		C# C++ Python
Server-side scripts Stored procedures	no	no		no
Triggers	yes	no		no
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	horizontal partitioning	Sharding based on HBase	Fixed-grid hypercubes
Replication methods Methods for redundantly storing data on multiple nodes	yes	Source-replica replication	selectable replication factor based on HBase	Real-time block device replication (DRBD)
MapReduce Offers an API for user-defined Map/Reduce methods			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	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	no	no	no
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes	yes	no	no
User concepts Access control	LDAP bind authentication	fine grained access rights according to SQL-standard	Users with fine-grained authorization concept	yes
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More resources
	Atos Standard Common Repository	OpenMLDB	SiteWhere	SpaceTime
Recent citations in the news		MLOp practice: using OpenMLDB in the real-time anti-fraud model for the bank's online transaction 23 August 2021, Towards Data Science Predictive maintenance — 5minutes demo of an end to end machine learning project 13 August 2021, Towards Data Science Compared to Native Spark 3.0, We Have Achieved Significant Optimization Effects in the AI 3 August 2021, Towards Data Science 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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