DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Adabas vs. CouchDB vs. Realm vs. VoltDB

System Properties Comparison Adabas vs. CouchDB vs. Realm vs. VoltDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameAdabas infodenotes "adaptable data base"  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonRealm  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionOLTP - DBMS for mainframes and Linux/Unix/Windows environments infoused typically together with the Natural programming platformA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataDistributed In-Memory NewSQL RDBMS infoUsed for OLTP applications with a high frequency of relatively simple transactions, that can hold all their data in memory
Primary database modelMultivalue DBMSDocument storeDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.42
Rank#69  Overall
#1  Multivalue DBMS
Score18.38
Rank#34  Overall
#5  Document stores
Score7.97
Rank#45  Overall
#8  Document stores
Score1.78
Rank#119  Overall
#59  Relational DBMS
Websitewww.softwareag.com/­corporate/­products/­adabas_natural/­adabas/­default.htmlcouchdb.apache.orgrealm.iowww.voltdb.com
Technical documentationdocs.couchdb.org/­en/­stablerealm.io/­docsdocs.voltdb.com
DeveloperSoftware AGApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerRealm, acquired by MongoDB in May 2019VoltDB Inc.
Initial release1971200520142010
Current release2.3.1, March 20199.0, April 2019
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2Open SourceOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangJava, C++
Server operating systemsBS2000
Linux
Unix
Windows
z/OS
z/VSE
Android
BSD
Linux
OS X
Solaris
Windows
Android
Backend: server-less
iOS
Windows
Linux
OS X infofor development
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
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.nonono
Secondary indexesyesyes infovia viewsyesyes
SQL infoSupport of SQLyes infowith add-on product Adabas SQL Gatewaynonoyes infoonly a subset of SQL 99
APIs and other access methodsHTTP API infowith add-on software Adabas SOA Gateway
SOAP-based API infowith add-on software Adabas SOA Gateway
RESTful HTTP/JSON APIJava API
JDBC
RESTful HTTP/JSON API
Supported programming languagesNaturalC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
.Net
Java infowith Android only
Objective-C
React Native
Swift
C#
C++
Erlang infonot officially supported
Go
Java
JavaScript infoNode.js
PHP
Python
Server-side scripts infoStored proceduresin NaturalView functions in JavaScriptno inforuns within the applications so server-side scripts are unnecessaryJava
Triggersnoyesyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesyes, with additonal products like Adabas Cluster Services, Adabas Parallel Services, Adabas VistaSharding infoimproved architecture with release 2.0noneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with add-on product Event ReplicatorMaster-master replication
Master-slave replication
noneMaster-master replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single document possibleACIDACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyes infostrategy: optimistic lockingyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyesyesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes infoIn-Memory realm
User concepts infoAccess controlonly with OS-specific tools (e.g. IBM RACF, CA Top Secret)Access rights for users can be defined per databaseyesUsers and roles with access to stored procedures
More information provided by the system vendor
Adabas infodenotes "adaptable data base"CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"RealmVoltDB
Specific characteristicsNow a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesRealm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more
Typical application scenariosMobile Consumer Apps First-Line Worker Apps
» more
Key customersCathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metricsUsed by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsRealm database is licensed under the Apache License v2.0.
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Adabas infodenotes "adaptable data base"CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"RealmVoltDB
DB-Engines blog posts

Couchbase climbs up the DB-Engines Ranking, increasing its popularity by 10% every month
2 June 2014, Matthias Gelbmann

show all

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

show all

Recent citations in the news

Software AG: Surprisingly Strong Q3 Results - Easing Pressure On Q4
23 October 2019, Seeking Alpha

Software AG Confirms Outlook after stronger third-quarter
22 October 2019, Euronews

Software (ETR:SOW) Given a €34.00 Price Target by UBS Group Analysts
19 November 2019, Mitchell Messenger

Software (ETR:SOW) Given a €29.00 Price Target at HSBC
18 November 2019, Mitchell Messenger

Australia Database Management Systems Market Report 2019 - Market Projected to Register a CAGR of More Than 11% During 2019-2024 - ResearchAndMarkets.com
31 October 2019, MDJOnline.com

provided by Google News

How to create your first CouchDB database with Fauxton
8 May 2019, TechRepublic

IBM Adds Kubernetes Operator for CouchDB
26 September 2019, Datanami

How to install CouchDB on CentOS 7
30 April 2019, TechRepublic

IBM Adds Support and Kubernetes Operator for Apache CouchDB to Sync Data Across Multi-Cloud Environments
30 September 2019, Database Trends and Applications

Global NoSQL Databases Software Market to Deliver Prominent Growth & Striking Opportunities Scenario Highlighting Major Drivers & Trends 2019-2026 | MongoDB, Amazon, ArangoDB, Azure Cosmos DB, Couchbase, MarkLogic
18 November 2019, Market Expert

provided by Google News

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

How Realm's New React Native Database Helps Developers
2 March 2016, App Developer Magazine

provided by Google News

VoltDB Secures $10 Million in Series C Funding to Meet Demand for 5G Data Requirements
23 October 2019, PRNewswire

Company of the week: VoltDB
25 October 2019, PitchBook News & Analysis

VoltDB Raises $10M in Series C Funding
23 October 2019, FinSMEs

In-Memory Database Market ||Oracle Corporation, Teradata Corporation, VoltDB Inc., Microsoft Corporation, Software AG
15 November 2019, The Industry Press Releases

In-memory OLAP Database Market Recent Developments, Trends and Applications 2019 to 2025
18 November 2019, Markets Gazette 24

provided by Google News

Job opportunities

Senior Software Engineer
Software AG, Denver, CO

Software Engineer II (ADABAS & Natural)
US House Of Representatives - CAO, Washington, DC

Sr. Software Developer/Analyst
University of Texas at Austin, Austin, TX

Database Security and Analyst
Illinois Municipal Retirement Fund (IMRF), Oak Brook, IL

Mainframe Applications Developer
State of Arizona, Phoenix, AZ

Junior Programmer Analyst
Orchid Insurance, Tampa, FL

Data Scientist I - 2020 Campus
Travelport, Atlanta, GA

Junior Programmer Analyst
Orchid Insurance, Vero Beach, FL

Electronic Health Record (EHR) Testing & Training Lead
Unisys, Blue Bell, PA

Junior/Entry Level Java Engineer - San Mateo, CA
Guidewire Software, Inc., San Mateo, CA

Software Engineer, iOS
Warner Bros. Entertainment Group, Philadelphia, PA

Senior Android Software Engineer
Johns Hopkins Applied Physics Laboratory (APL), Laurel, MD

Software Engineer, iOS - New York
Lyft, New York, NY

Sr. Mobile Developer
Stringbean Technologies, Valley Stream, NY

Software Engineer, iOS
Lyft, San Francisco, CA

Principal Big Data Engineer
Fidelity Investments, Boston, MA

Principal Developer
BNY Mellon, New York, NY

Backend/Data Engineer II
TripleLift, New York, NY

DevOps Engineer
TripleLift, New York, NY

Data Engineer
TripleLift, New York, NY

jobs by Indeed




Share this page

Featured Products

Redis logo

Hosted, serverless DBaaS
in 3 steps.

30MB Free!
Start now.


Datastax logo

Build data-driven applications that set the standard for performance, availability,
& scale with DataStax.
Learn more.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Present your product here