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DBMS > GraphDB vs. Memgraph vs. Realm

System Properties Comparison GraphDB vs. Memgraph vs. Realm

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Editorial information provided by DB-Engines
NameGraphDB infoformer name: OWLIM  Xexclude from comparisonMemgraph  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionEnterprise-ready RDF and graph database with efficient reasoning, cluster and external index synchronization support. It supports also SQL JDBC access to Knowledge Graph and GraphQL over SPARQL.A hybrid, in-memory first, distributed graph DBMS delivering high-performance on analytical and transactional workloads at enterprise scaleA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelGraph DBMS
RDF store
Graph DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.83
Rank#107  Overall
#6  Graph DBMS
#3  RDF stores
Score0.36
Rank#256  Overall
#20  Graph DBMS
Score9.20
Rank#52  Overall
#9  Document stores
Websitewww.ontotext.commemgraph.comrealm.io
Technical documentationgraphdb.ontotext.com/­documentationdocs.memgraph.comrealm.io/­docs
DeveloperOntotextMemgraph LtdRealm, acquired by MongoDB in May 2019
Initial release200020172014
Current release9.8, June 2021
License infoCommercial or Open Sourcecommercial infoSome plugins of GraphDB Workbench are open sourcedcommercial infoFree license availableOpen Source
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 languageJavaC and C++
Server operating systemsAll OS with a Java VM
Linux
OS X
Windows
LinuxAndroid
Backend: server-less
iOS
Windows
Data schemeschema-free and OWL/RDFS-schema support; RDF shapesschema-free and schema-optionalyes
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.nonono
Secondary indexesyes, supports real-time synchronization and indexing in SOLR/Elastic search/Lucene and GeoSPARQL geometry data indexesyes
SQL infoSupport of SQLstored SPARQL accessed as SQL using Apache Calcite through JDBC/ODBCnono
APIs and other access methodsGeoSPARQL
GraphQL
GraphQL Federation
Java API
JDBC
RDF4J API
RDFS
RIO
Sail API
Sesame REST HTTP Protocol
SPARQL 1.1
Bolt protocol
Cypher query language
Supported programming languages.Net
C#
Clojure
Java
JavaScript (Node.js)
PHP
Python
Ruby
Scala
.Net
C
C++
Elixir
Go
Haskell
Java
JavaScript
PHP
Python
Ruby
Scala
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored procedureswell-defined plugin interfaces; JavaScript server-side extensibilityno inforuns within the applications so server-side scripts are unnecessary
Triggersnoyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infodynamic graph partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationMulti-source replication using RAFTnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency, Eventual consistency (configurable in cluster mode per master or individual client request)Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyes infoConstraint checkingyes inforelationships in graphsno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infowith snapshot isolationACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)
Durability infoSupport for making data persistentyesyes infowith periodic snapshot and write-ahead logging (WAL) of changesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoIn-Memory realm
User concepts infoAccess controlDefault Basic authentication through RDF4J client, or via Java when run with cURL, default token-based in the Workbench or via Rest API, optional access through OpenID or Kerberos single sign-on.Users, roles and permissionsyes
More information provided by the system vendor
GraphDB infoformer name: OWLIMMemgraphRealm
Specific characteristicsGraphDB Enterprise is a high-performance semantic repository created by Ontotext....
» more
Memgraph directly connects to your streaming infrastructure so you and your team...
» more
Now a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesGraphDB allows you to link text and data in big knowledge graphs. It’s easy to experiment...
» more
Business Source License ensures a future for the Memgraph community MAGE algorithm...
» more
Realm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more
Typical application scenariosMetadata enrichment and management, linked open data publishing, semantic inferencing...
» more
Graph algorithms in bioinformatics Social network analysis Cryptocurrency network...
» more
Mobile Consumer Apps First-Line Worker Apps
» more
Key customersBBC, Press Association, Financial Times, DK, Euromoney, The British Museum, Getty...
» more
Cathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metricsGraphDB is the most utilized semantic triplestore for mission-critical enterprise...
» more
Used by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsGraphDB-Free is free to use. SE and Enterprise are licensed per CPU-Core used. Perpetual...
» more
You can check out our pricing model and licenses on the company website .
» more
Realm database is licensed under the Apache License v2.0.
» more

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More resources
GraphDB infoformer name: OWLIMMemgraphRealm
DB-Engines blog posts

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Recent citations in the news

GraphDB 9.8 Brings Text Mining and Kafka Connectivity
2 June 2021, PRNewswire

Ontotext GraphDB 9.4 Enables SQL Access to Knowledge Graphs and Visual Mapping of Tabular Data to RDF
11 September 2020, PRNewswire

Ontotext's GraphDB 9.2 Supports RDF* to Match the Expressivity of Property Graphs
30 April 2020, PRNewswire

GraphDB 9.5 Offers Data Virtualization From Tables to Graphs and Back
9 December 2020, PRNewswire

Ontotext's GraphDB 9.0 Open-sources its Front-end and Engine Plugins to Empower Knowledge Graph Solutions
3 October 2019, PRNewswire

provided by Google News

Graph database company Memgraph raises $9.34M
5 October 2021, VentureBeat

The untapped potential of HPC + graph computing
30 October 2021, VentureBeat

Graph Database Market with COVID-19 Impact Analysis by Type, Application, Component, Deployment Mode, Vertical and Region - Global Forecast to 2026
10 August 2021, Yahoo Finance

ArangoDB brings yet more money into graph database market with $27.8M round
6 October 2021, SiliconANGLE News

Making Your Own Memory Graph To Detect Memory Issues On iOS
13 April 2021, hackernoon.com

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

MongoDB Extends Cloud Lineup With New Database Release, Search And Mobile Tools
12 June 2020, CRN: Technology news for channel partners and solution providers

MongoDB Cloud brings developers and edge together
10 June 2020, TechRadar

MongoDB Cloud Gives Developers An Escape From Data Silos With First-Ever Unified Cloud-To-Mobile Experience
9 June 2020, PRNewswire

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