DBMS > Atos Standard Common Repository vs. InterSystems Caché vs. OpenQM vs. VelocityDB

System Properties Comparison Atos Standard Common Repository vs. InterSystems Caché vs. OpenQM vs. VelocityDB

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	InterSystems Caché  Xexclude from comparison	OpenQM also called QM  Xexclude from comparison	VelocityDB  Xexclude from comparison
	This system has been discontinued and will be removed from the DB-Engines ranking.	Caché is a deprecated database engine which is substituted with InterSystems IRIS. It therefore is removed from the DB-Engines Ranking.
Description	Highly scalable database system, designed for managing session and subscriber data in modern mobile communication networks	A multi-model DBMS and application server	QpenQM is a high-performance, self-tuning, multi-value DBMS	A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database model	Document store Key-value store	Key-value store Object oriented DBMS Relational DBMS	Multivalue DBMS	Graph DBMS Object oriented DBMS
Secondary database models		Document store
DB-Engines Ranking measures the popularity of database management systems Trend Chart			Score 0.34 Rank #284   Overall #10   Multivalue DBMS	Score 0.11 Rank #354   Overall #37   Graph DBMS #15   Object oriented DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.intersystems.com/­products/­cache	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm	velocitydb.com
Technical documentation		docs.intersystems.com		velocitydb.com/­UserGuide
Developer	Atos Convergence Creators	InterSystems	Rocket Software, originally Martin Phillips	VelocityDB Inc
Initial release	2016	1997	1993	2011
Current release	1703	2018.1.4, May 2020	3.4-12	7.x
License Commercial or Open Source	commercial	commercial	Open Source GPLv2, extended commercial license available	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#
Server operating systems	Linux	AIX HP Open VMS HP-UX Linux OS X Solaris Windows	AIX FreeBSD Linux macOS Raspberry Pi Solaris Windows	Any that supports .NET
Data scheme	Schema and schema-less with LDAP views	depending on used data model	yes with some exceptions	yes
Typing predefined data types such as float or date	optional	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	yes	yes	no
Secondary indexes	yes	yes	yes	yes
SQL Support of SQL	no	yes	no	no
APIs and other access methods	LDAP	.NET Client API JDBC ODBC RESTful HTTP API		.Net
Supported programming languages	All languages with LDAP bindings	C# C++ Java	.Net Basic C Java Objective C PHP Python	.Net
Server-side scripts Stored procedures	no	yes	yes	no
Triggers	yes	yes	yes	Callbacks are triggered when data changes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	none	yes	Sharding
Replication methods Methods for redundantly storing data on multiple nodes	yes	Source-replica replication	yes
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	yes	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	ACID	ACID	ACID
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		yes
User concepts Access control	LDAP bind authentication	Access rights for users, groups and roles	Access rights can be defined down to the item level	Based on Windows Authentication
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More resources
	Atos Standard Common Repository	InterSystems Caché	OpenQM also called QM	VelocityDB
Recent citations in the news	Infographic: What makes a Mobile Operator's setup future proof? 10 February 2024, Atos provided by Google News	Defense Health Agency Awards Four Points Technology $39 Million for Intersystems Software Licenses and Maintenance 21 September 2023, ClearanceJobs AWS, GCP, Oracle, Azure, SAP Lead Cloud DBMS Market: Gartner 12 February 2022, CRN Announcing IBM Spectrum Sentinel: Building a Cyber Resilient Future 24 June 2022, IBM Associative Data Modeling Demystified - Part1 - DataScienceCentral.com 9 July 2016, Data Science Central Choosing a Database Technology. A roadmap and process overview | by Shirish Joshi 23 February 2020, Towards Data Science provided by Google News

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