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DBMS > AllegroGraph vs. Realm vs. VoltDB

System Properties Comparison AllegroGraph vs. Realm vs. VoltDB

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Editorial information provided by DB-Engines
NameAllegroGraph  Xexclude from comparisonRealm  Xexclude from comparisonVoltDB  Xexclude from comparison
DescriptionHigh performance, persistent RDF store with additional support for Graph DBMSA 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 modelDocument store infowith version 6.5
Graph DBMS
RDF store
Document storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.87
Rank#162  Overall
#23  Document stores
#12  Graph DBMS
#6  RDF stores
Score7.97
Rank#45  Overall
#8  Document stores
Score1.78
Rank#119  Overall
#59  Relational DBMS
Websitefranz.com/­agraph/­allegrographrealm.iowww.voltdb.com
Technical documentationfranz.com/­agraph/­support/­documentation/­current/­agraph-introduction.htmlrealm.io/­docsdocs.voltdb.com
DeveloperFranz Inc.Realm, acquired by MongoDB in May 2019VoltDB Inc.
Initial release200420142010
Current release6.6.0, August 20199.0, April 2019
License infoCommercial or Open Sourcecommercial infoLimited community edition freeOpen SourceOpen Source infoAGPL for Community Edition, commercial license for Enterprise, AWS, and Pro Editions
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 languageJava, C++
Server operating systemsLinux
OS X
Windows
Android
Backend: server-less
iOS
Windows
Linux
OS X infofor development
Data schemeyes infoRDF schemasyesyes
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.no infobulk load of XML files possibleno
Secondary indexesyesyesyes
SQL infoSupport of SQLSPARQL is used as query languagenoyes infoonly a subset of SQL 99
APIs and other access methodsRESTful HTTP API
SPARQL
Java API
JDBC
RESTful HTTP/JSON API
Supported programming languagesC#
Clojure
Java
Lisp
Perl
Python
Ruby
Scala
.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 proceduresyes infoJavaScript or Common Lispno inforuns within the applications so server-side scripts are unnecessaryJava
Triggersyesyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodeswith FederationnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replication
Multi-master replication
noneMaster-master replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency or Eventual Consistency depending on configurationImmediate Consistency
Foreign keys infoReferential integritynonono infoFOREIGN KEY constraints are not supported
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID infoTransactions are executed single-threaded within stored procedures
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyesyes infoSnapshots and command logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoIn-Memory realm
User concepts infoAccess controlUsers with fine-grained authorization concept, user roles and pluggable authenticationyesUsers and roles with access to stored procedures
More information provided by the system vendor
AllegroGraphRealmVoltDB
Specific characteristicsKnowledge Graph Platform Leader Document Store and Graph Database. Supporting JSON...
» more
Now a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesAllegroGraph is uniquely suited to support adhoc queries through SPARQL, Prolog and...
» more
Realm 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
News

Triple Attributes
2 May 2018

Allegro "Knowledge" Graph News - March 2018
7 March 2018

AllegroGraph v6.4 - Now Available
23 January 2018

AllegroGraph News - December 2017
20 December 2017

AllegroGraph News - November 2017
2 November 2017

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.

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More resources
AllegroGraphRealmVoltDB
DB-Engines blog posts

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

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Recent citations in the news

Franz launches AllegroGraph Knowledge Graph solution
12 June 2019, KMWorld Magazine

Knowledge graphs take the stage at KMWorld 2019
8 November 2019, KMWorld Magazine

Graph Database 'Shapes' Data
16 August 2019, Datanami

Franz Updates AllegroGraph with the Ability to Ingest JSON and JSON-LD Documents
4 March 2019, Database Trends and Applications

Semantic data lake architecture in healthcare and beyond
21 August 2017, ZDNet

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

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

RDBMS Software Market Report 2019: Acute Analysis of Global Demand and Supply 2024 with Major Key Player: Cubrid, TmaxSoft, SQLite, Oracle, Microsoft, VoltDB & more
12 November 2019, Eastlake Times

provided by Google News

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