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DBMS > ArangoDB vs. Kdb+ vs. Realm

System Properties Comparison ArangoDB vs. Kdb+ vs. Realm

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Editorial information provided by DB-Engines
NameArangoDB  Xexclude from comparisonKdb+  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.High performance Time Series DBMSA 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
Time Series DBMSDocument store
Secondary database modelsRelational DBMS
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
Score5.50
Rank#58  Overall
#2  Time Series DBMS
Score8.23
Rank#46  Overall
#8  Document stores
Websitewww.arangodb.comkx.comrealm.io
Technical documentationwww.arangodb.com/­docs/­stablecode.kx.comrealm.io/­docs
DeveloperArangoDB Inc.Kx Systems, a division of First Derivatives plcRealm, acquired by MongoDB in May 2019
Initial release20122000 infokdb was released 2000, kdb+ in 20032014
Current release3.6, January 20203.6, May 2018
License infoCommercial or Open SourceOpen Source infoApache Version 2; Commercial license (Enterprise) availablecommercial infofree 32-bit versionOpen 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++q
Server operating systemsLinux
OS X
Windows
Linux
OS X
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.yesno
Secondary indexesyesyes infotable attribute 'grouped'yes
SQL infoSupport of SQLnoSQL-like query language (q)no
APIs and other access methodsAQL
Foxx Framework
Graph API (Gremlin)
GraphQL query language
HTTP API
Java & SpringData
JSON style queries
VelocyPack/VelocyStream
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
Supported programming languagesC#
C++
Clojure
Elixir
Go
Java
JavaScript (Node.js)
PHP
Python
R
Rust
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
.Net
Java infowith Android only
Objective-C
React Native
Swift
Server-side scripts infoStored proceduresJavaScriptuser defined functionsno inforuns within the applications so server-side scripts are unnecessary
Triggersnoyes infowith viewsyes infoChange Listeners
Partitioning methods infoMethods for storing different data on different nodesSharding infosince version 2.0horizontal partitioningnone
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-slave replication with configurable replication factorMaster-slave replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infocan be done with stored procedures in JavaScriptno infosimilar paradigm used for internal processingno
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 dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
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 controlyesrights management via user accountsyes
More information provided by the system vendor
ArangoDBKdb+Realm
Specific characteristicsOne Engine. One Query Language. Multiple Data Models. ArangoDB is an open source...
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Integrated columnar database & programming system for streaming, real time and historical...
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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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provides seamless scalability; runs on industry standard server platforms; is top-ranked...
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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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tick database streaming sensor data massive intelligence applications oil and gas...
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Mobile Consumer Apps First-Line Worker Apps
» more
Key customersCisco, Barclays, Refinitive, Siemens Mentor, Kabbage, Liaison, Douglas, MakeMyTrip,...
» more
Goldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
» 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
kdb+ performance and reliability proven by our customers in critical infrastructure...
» 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...
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upon request
» 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
ArangoDBKdb+Realm
DB-Engines blog posts

The Weight of Relational Databases: Time for Multi-Model?
29 August 2017, Luca Olivari (guest author)

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Time Series DBMS are the database category with the fastest increase in popularity
4 July 2016, Matthias Gelbmann

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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

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, Business Wire

Real-time Analytics News Roundup for Week Ending January 11
12 January 2020, RTInsights

provided by Google News

Kx extends use of world's fastest time series database kdb+ with on-demand offering for cloud and on-premises
27 March 2018, Bobsguide

Kx Systems releases SaaS version of kdb+
27 March 2018, Finextra

Kx announces the availability of kdb+ on Google Cloud Launcher
12 June 2018, Bobsguide

Kx Named as Google Cloud Global Technology Partner of the Year - Financial Services
9 April 2019, Associated Press

Kx to power analytics for US real estate giant Zillow
3 April 2019, Associated Press

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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