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DBMS > Adabas vs. OpenQM vs. RethinkDB

System Properties Comparison Adabas vs. OpenQM vs. RethinkDB

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Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonRethinkDB  Xexclude from comparison
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformQpenQM is a high-performance, self-tuning, multi-value DBMSDBMS for the Web with a mechanism to push updated query results to applications in realtime.
Primary database modelMultivalue DBMSMultivalue DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.76
Rank#76  Overall
#1  Multivalue DBMS
Score0.38
Rank#244  Overall
#10  Multivalue DBMS
Score4.23
Rank#78  Overall
#13  Document stores
Websitewww.softwareag.com/­corporate/­products/­adabas_natural/­adabas/­default.htmlwww.openqm.comrethinkdb.com
Technical documentationwww.openqm.com/­support/­documentationrethinkdb.com/­docs
DeveloperSoftware AGMartin PhillipsThe Linux Foundation infosince July 2017
Initial release197119932009
Current release3.4-122.4.0, December 2019
License infoCommercial or Open SourcecommercialOpen Source infoGPLv2, extended commercial license availableOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
OS X
Windows
Data schemeyesyes infowith some exceptionsschema-free
Typing infopredefined data types such as float or dateyesyes infostring, binary, float, bool, date, geometry
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.noyesno
Secondary indexesyesyesyes
SQL infoSupport of SQLyes infowith add-on product Adabas SQL Gatewaynono
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
Supported programming languagesNatural.Net
Basic
C
Java
Objective C
PHP
Python
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
Server-side scripts infoStored proceduresin Naturalyes
TriggersnoyesClient-side triggers through changefeeds
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas VistayesSharding inforange based
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event ReplicatoryesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDAtomic single-document operations
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoMVCC based
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)Access rights can be defined down to the item levelyes infousers and table-level permissions

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More resources
Adabas infodenotes "adaptable data base"OpenQM infoalso called QMRethinkDB
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Recent citations in the news

ADABAS DBA & Systems Programmer - Ensono
14 July 2020, Built In Chicago

Software AG Announces New “Adabas & Natural 2050” Agenda
31 August 2016, Business Wire

OpenLegacy Offers Turnkey Access to Hard-to-Reach Legacy Data for Joint Customers with Talend
26 August 2020, Yahoo Finance

Software AG Launches Event Analytics for Adabas – Bringing the Latest Big Data Security Technology to the Mainframe
9 March 2015, Business Wire

AAFMAA Selects Software AG Adabas and Natural System for Self-Service Insurance and Financial Solutions
17 February 2016, Business Wire

provided by Google News

OpenQM
5 March 2019, International Spectrum Magazine

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24 September 2020, The Daily Chronicle

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2 September 2020, The Daily Chronicle

Global Open Source Software Market Size, Share and Forecast by 2025, Key Players- Intel, Epson, IBM, Transcend, Oracle, Acquia
9 September 2020, The Daily Chronicle

RethinkDB is dead, and MongoDB isn't what killed it
24 January 2017, TechRepublic

Global Document Databases Software Market 2020-2025 | Latest COVID19 Impact Analysis | Know About Brand Players: MongoDB, Amazon, ArangoDB, Azure, etc.
24 September 2020, Crypto Daily

provided by Google News

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