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DBMS > Adabas vs. eXtremeDB vs. Realm

System Properties Comparison Adabas vs. eXtremeDB vs. Realm

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Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisoneXtremeDB  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformNatively in-memory DBMS with options for persistency, high-availability and clusteringA mobile DBMS often used as a replacement for SQLite
Primary database modelMultivalue DBMSRelational DBMS
Time Series DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.16
Rank#69  Overall
#1  Multivalue DBMS
Score0.38
Rank#221  Overall
#106  Relational DBMS
#12  Time Series DBMS
Score7.92
Rank#44  Overall
#27  Relational DBMS
Websitewww.softwareag.com/­corporate/­products/­adabas_natural/­adabas/­default.htmlwww.mcobject.com/­extremedbfamilyrealm.io
Technical documentationwww.mcobject.com/­docs/­eXtremeDB.htmrealm.io/­docs
DeveloperSoftware AGMcObjectRealm, acquired by MongoDB in May 2019
Initial release197120012014
Current release8.0, May 2018
License infoCommercial or Open Sourcecommercialcommercialcommercial infoLicenses are free. Parts are open sourced.
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
AIX
HP-UX
Linux
macOS
Solaris
Windows
server-less
Data schemeyesyesyes
Typing infopredefined data types such as float or dateyesyesyes
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.nono infosupport of XML interfaces availableno
Secondary indexesyesyesyes
SQL infoSupport of SQLyes infowith add-on product Adabas SQL Gatewayyes infowith the option: eXtremeSQLno
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
.NET Client API
JDBC
JNI
ODBC
proprietary protocol
Supported programming languagesNatural.Net
C
C#
C++
Java
Lua
Python
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresin Naturalyesno
Triggersnoyes infoby defining eventsyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas Vistahorizontal partitioning / shardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event ReplicatorMaster-master replication infoby means of eXtremeDB Cluster option
Master-slave replication infoby means of eXtremeDB High Availability option
none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic (MVCC) and pessimistic (locking) strategies available
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.noyesyes infoIn-Memory realm
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)no
More information provided by the system vendor
Adabas infodenotes "adaptable data base"eXtremeDBRealm
Specific characteristicseXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
» more
Competitive advantageseXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
» more
Typical application scenariosIoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsWith hundreds of customers and over 28 million devices/applications using the product...
» more
Licensing and pricing modelsFor server use cases, there is a simple per-server license irrespective of the number...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
Adabas infodenotes "adaptable data base"eXtremeDBRealm
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Recent citations in the news

Software AG: Q3 Due On October 22 - Wait For A Further Pullback
15 October 2019, Seeking Alpha

Goldman Sachs Group Analysts Give Software (ETR:SOW) a €36.00 Price Target
21 October 2019, Slater Sentinel

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

JPMorgan Chase & Co. Reiterates €26.00 Price Target for Software (ETR:SOW)
12 October 2019, Riverton Roll

Software (ETR:SOW) Given a €34.00 Price Target by Baader Bank Analysts
15 October 2019, Slater Sentinel

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McObject's eXtremeDB for HPC is Now Available on AWS
15 October 2019, HPCwire

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26 September 2019, Yahoo Finance

eXtremeDB shortlisted in 4 different best DBMS categories in 1 week
8 October 2019, IoT For All

People Moves: AlgoDynamix, Tourmaline , Asset Control, SIX
27 September 2019, www.waterstechnology.com

Unique Active Replication Fabric feature announced by McObject for its eXtremeDB IoT SDK bundle
13 May 2019, GlobeNewswire

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Realm Makes PostgreSQL Real-Time with New Connector
21 March 2017, Database Trends and Applications

Realm Receives Investment from Ericsson Ventures to Advance Development of Edge Computing Solutions
21 September 2017, Business Wire

Realm explains the benefits of real-time collaboration for mobile apps
24 October 2016, App Developer Magazine

Realm Launches Realm Mobile Platform Professional Edition to Drive Collaborative Realtime Applications
12 December 2016, Business Wire

Realm Platform 2.0 Is Significant Step Forward for Building Responsive and Real-Time Mobile Applications
17 October 2017, Business Wire

provided by Google News

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