DBMS > Atos Standard Common Repository vs. KairosDB vs. Postgres-XL vs. UniData,UniVerse

System Properties Comparison Atos Standard Common Repository vs. KairosDB vs. Postgres-XL vs. UniData,UniVerse

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	KairosDB  Xexclude from comparison	Postgres-XL  Xexclude from comparison	UniData,UniVerse  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	Distributed Time Series DBMS based on Cassandra or H2	Based on PostgreSQL enhanced with MPP and write-scale-out cluster features	MultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database model	Document store Key-value store	Time Series DBMS	Relational DBMS	Multivalue DBMS
Secondary database models			Document store Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 0.67 Rank #233   Overall #20   Time Series DBMS	Score 0.53 Rank #254   Overall #117   Relational DBMS	Score 2.85 Rank #98   Overall #1   Multivalue DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	github.com/­kairosdb/­kairosdb	www.postgres-xl.org	www.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-unidata
Technical documentation		kairosdb.github.io	www.postgres-xl.org/­documentation	docs.rocketsoftware.com/­bundle?cluster=true&labelkey=unidata&labelkey=prod_unidata
Developer	Atos Convergence Creators			Rocket Software
Initial release	2016	2013	2014 since 2012, originally named StormDB	1985
Current release	1703	1.2.2, November 2018	10 R1, October 2018
License Commercial or Open Source	commercial	Open Source Apache 2.0	Open Source Mozilla public license	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	Java	C	C
Server operating systems	Linux	Linux OS X Windows	Linux macOS	AIX HP-UX Linux Solaris Windows
Data scheme	Schema and schema-less with LDAP views	schema-free	yes	schema-free
Typing predefined data types such as float or date	optional	yes	yes	optional
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	yes XML type, but no XML query functionality
Secondary indexes	yes	no	yes	yes
SQL Support of SQL	no	no	yes distributed, parallel query execution	yes
APIs and other access methods	LDAP	Graphite protocol HTTP REST Telnet API	ADO.NET JDBC native C library ODBC streaming API for large objects	Java API JPA JDBC ODBC OLE DB Proprietary protocol RESTful HTTP API SOAP-based API
Supported programming languages	All languages with LDAP bindings	Java JavaScript Node.js PHP Python	.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl	.Net Basic U2 Basic C Java
Server-side scripts Stored procedures	no	no	user defined functions	yes
Triggers	yes	no	yes	yes U2 Basic
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	Sharding based on Cassandra	horizontal partitioning	none
Replication methods Methods for redundantly storing data on multiple nodes	yes	selectable replication factor based on Cassandra		Source-replica replication
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	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency
Foreign keys Referential integrity	no	no	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	no	ACID MVCC	ACID configurable
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	no	no
User concepts Access control	LDAP bind authentication	simple password-based access control	fine grained access rights according to SQL-standard	Access rights according to SQL-standard and operating system based
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More resources
	Atos Standard Common Repository	KairosDB	Postgres-XL	UniData,UniVerse
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