DBMS > Atos Standard Common Repository vs. IBM Db2 vs. OpenTenBase vs. Postgres-XL

System Properties Comparison Atos Standard Common Repository vs. IBM Db2 vs. OpenTenBase vs. Postgres-XL

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Editorial information provided by DB-Engines
Name	Atos Standard Common Repository  Xexclude from comparison	IBM Db2 formerly named DB2 or IBM Database 2  Xexclude from comparison	OpenTenBase  Xexclude from comparison	Postgres-XL  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	Common in IBM host environments, 2 different versions for host and Windows/Linux	An enterprise-level distributed HTAP open source database based on PostgreSQL	Based on PostgreSQL enhanced with MPP and write-scale-out cluster features
Primary database model	Document store Key-value store	Relational DBMS Since Version 10.5 support for JSON/BSON documents compatible with MongoDB	Relational DBMS	Relational DBMS
Secondary database models		Document store RDF store in Db2 LUW (Linux, Unix, Windows) Spatial DBMS with Db2 Spatial Extender		Document store Spatial DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart		Score 125.90 Rank #9   Overall #6   Relational DBMS	Score 0.08 Rank #370   Overall #156   Relational DBMS	Score 0.53 Rank #254   Overall #117   Relational DBMS
Website	atos.net/en/convergence-creators/portfolio/standard-common-repository	www.ibm.com/­products/­db2	github.com/­OpenTenBase/­OpenTenBase www.opentenbase.org	www.postgres-xl.org
Technical documentation		www.ibm.com/­docs/­en/­db2	docs.opentenbase.org docs.opentenbase.org/­en	www.postgres-xl.org/­documentation
Developer	Atos Convergence Creators	IBM	OpenAtom Foundation, previously Tencent
Initial release	2016	1983 host version		2014 since 2012, originally named StormDB
Current release	1703	12.1, October 2016	2.5, January 2024	10 R1, October 2018
License Commercial or Open Source	commercial	commercial free version is available	Open Source BSD-3	Open Source Mozilla public license
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 and C++		C
Server operating systems	Linux	AIX HP-UX Linux Solaris Windows z/OS	Linux	Linux macOS
Data scheme	Schema and schema-less with LDAP views	yes	yes	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			yes XML type, but no XML query functionality
Secondary indexes	yes	yes	yes	yes
SQL Support of SQL	no	yes	yes	yes distributed, parallel query execution
APIs and other access methods	LDAP	ADO.NET JDBC JSON style queries MongoDB compatible ODBC XQuery		ADO.NET JDBC native C library ODBC streaming API for large objects
Supported programming languages	All languages with LDAP bindings	C C# C++ Cobol Delphi Fortran Java Perl PHP Python Ruby Visual Basic	C Go Java PHP Python	.Net C C++ Delphi Erlang Java JavaScript (Node.js) Perl PHP Python Tcl
Server-side scripts Stored procedures	no	yes		user defined functions
Triggers	yes	yes	yes	yes
Partitioning methods Methods for storing different data on different nodes	Sharding cell division	Sharding only with Windows/Unix/Linux Version	Sharding	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes	yes with separate tools (MQ, InfoSphere)	yes
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
Foreign keys Referential integrity	no	yes	yes	yes
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	Atomic execution of specific operations	ACID	ACID	ACID MVCC
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
User concepts Access control	LDAP bind authentication	fine grained access rights according to SQL-standard	Access rights for users, groups and roles according to SQL-standard	fine grained access rights according to SQL-standard
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More resources
	Atos Standard Common Repository	IBM Db2 formerly named DB2 or IBM Database 2	OpenTenBase	Postgres-XL
Recent citations in the news		SAP and IBM Expand Partnership, Introduce Optimized DB2 Database 14 June 2024, br.ADVFN.com Use AWS DMS to migrate data from IBM Db2 DPF to an AWS target | Amazon Web Services 28 May 2024, AWS Blog Infotel Returns to IDUG North America 2024 in Charlotte to Showcase Latest Db2 Solutions and Feature Presentation ... 13 June 2024, PR Web IBM Collaborates with AWS to Launch a New Cloud Database Offering, Enabling Customers to Optimize Data ... 27 November 2023, IBM Newsroom IBM's vintage Db2 database jumps on AWS's cloud bandwagon 29 November 2023, The Register provided by Google News

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