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DBMS > ArangoDB vs. eXtremeDB vs. Realm

System Properties Comparison ArangoDB vs. eXtremeDB vs. Realm

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Editorial information provided by DB-Engines
NameArangoDB  Xexclude from comparisoneXtremeDB  Xexclude from comparisonRealm  Xexclude from comparison
DescriptionNative multi-model DBMS for graph, document, key/value and search. All in one engine and accessible with one query language.Natively in-memory DBMS with options for persistency, high-availability and clusteringA DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data
Primary database modelDocument store
Graph DBMS
Key-value store
Search engine
Relational DBMS
Time Series DBMS
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score5.21
Rank#61  Overall
#10  Document stores
#3  Graph DBMS
#10  Key-value stores
#7  Search engines
Score0.44
Rank#217  Overall
#103  Relational DBMS
#12  Time Series DBMS
Score8.23
Rank#46  Overall
#8  Document stores
Websitewww.arangodb.comwww.mcobject.com/­extremedbfamilyrealm.io
Technical documentationwww.arangodb.com/­docs/­stablewww.mcobject.com/­docs/­eXtremeDB.htmrealm.io/­docs
DeveloperArangoDB Inc.McObjectRealm, acquired by MongoDB in May 2019
Initial release201220012014
Current release3.6, January 20208.0, May 2018
License infoCommercial or Open SourceOpen Source infoApache Version 2; Commercial license (Enterprise) availablecommercialOpen 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.
ArangoDB Oasis –The Managed Cloud Service of ArangoDB. Oasis provides fully managed, and monitored cluster deployments of any size, with enterprise-grade security. Get started for free and continue for as little as $0,21/hour.
Implementation languageC++C and C++
Server operating systemsLinux
OS X
Windows
AIX
HP-UX
Linux
macOS
Solaris
Windows
Android
Backend: server-less
iOS
Windows
Data schemeschema-free infoautomatically recognizes schema within a collectionyesyes
Typing infopredefined data types such as float or dateyes infostring, double, boolean, list, hashyesyes
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 infosupport of XML interfaces availableno
Secondary indexesyesyesyes
SQL infoSupport of SQLnoyes infowith the option: eXtremeSQLno
APIs and other access methodsAQL
Foxx Framework
Graph API (Gremlin)
GraphQL query language
HTTP API
Java & SpringData
JSON style queries
VelocyPack/VelocyStream
.NET Client API
JDBC
JNI
ODBC
proprietary protocol
Supported programming languagesC#
C++
Clojure
Elixir
Go
Java
JavaScript (Node.js)
PHP
Python
R
Rust
.Net
C
C#
C++
Java
Lua
Python
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresJavaScriptyesno inforuns within the applications so server-side scripts are unnecessary
Triggersnoyes infoby defining eventsyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesSharding infosince version 2.0horizontal partitioning / shardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replication with configurable replication factorMaster-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 methodsno infocan be done with stored procedures in JavaScriptnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoconfigurable per collection or per write
Immediate Consistency
OneShard (highly available, fault-tolerant deployment mode with ACID semantics)
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyes inforelationships in graphsyesno
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.yesyes infoIn-Memory realm
User concepts infoAccess controlyesyes
More information provided by the system vendor
ArangoDBeXtremeDBRealm
Specific characteristicsOne Engine. One Query Language. Multiple Data Models. ArangoDB is an open source...
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eXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
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Now a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
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Competitive advantagesConsolidation: As a native multi-model database, can be used as a full blown document...
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eXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
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Realm ensures offline-first functionality, meaning apps run smoothly and deliver...
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Typical application scenariosNative multi-model in ArangoDB is being used for a broad range of projects across...
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IoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Mobile Consumer Apps First-Line Worker Apps
» more
Key customersCisco, Barclays, Refinitive, Siemens Mentor, Kabbage, Liaison, Douglas, MakeMyTrip,...
» more
Schneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Cathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metricsArangoDB is the leading native multi-model database with over 9000 stargazers on...
» more
With hundreds of customers and over 28 million devices/applications using the product...
» more
Used by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsVery permissive Apache 2 License for Community Edition & commercial licenses are...
» more
For server use cases, there is a simple per-server license irrespective of the number...
» more
Realm database is licensed under the Apache License v2.0.
» more
News

Massive Inserts into ArangoDB With NodeJS
9 January 2020

What’s new in ArangoDB 3.6: OneShard Deployments and Performance Improvements
8 January 2020

Release Candidate 2 of the ArangoDB 3.6 available for testing
23 December 2019

ArangoDB and the Cloud Native Ecosystem
20 November 2019

Say Hi To ArangoDB Oasis: A Fully-Managed Multi-Model Database Service
14 November 2019

Related products and services

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More resources
ArangoDBeXtremeDBRealm
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Recent citations in the news

ArangoDB boosts multi-model database performance with release of ArangoDB 3.6
9 January 2020, SDTimes.com

ArangoDB 3.6 accelerates performance of multi-model database
10 January 2020, TechTarget

Looking to Improve Database Performance – Check Out ArangoDB 3.6 Update That Delivers Major Performance Improvements
8 January 2020, Toolbox

Four Companies Offering Multimodel Database Management System Technology Named IDC Innovators
9 January 2020, Yahoo Finance

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20 January 2020, insideBIGDATA

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eXtremeDB 8.1 adds features for easier, more sophisticated database management
19 November 2019, GlobeNewswire

eXtremeDB 8.1 Adds Features for Database Management
2 December 2019, Embedded Computing Design

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

eXtremeDB shortlisted for two Data Management Insight Awards
26 September 2019, Yahoo Finance

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

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 Empowers Mobile Developers to Tap Into Serverless Development to Build Collaborative and Realtime Experiences
23 May 2017, Business Wire

Kotlin Programming Language Will Surpass Java On Android Next Year
15 October 2017, Fossbytes

Box Introduces the Box File Collaboration API
24 December 2016, ProgrammableWeb

provided by Google News

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