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DBMS > Neo4j vs. Realm vs. Sqrrl

System Properties Comparison Neo4j vs. Realm vs. Sqrrl

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Editorial information provided by DB-Engines
NameNeo4j  Xexclude from comparisonRealm  Xexclude from comparisonSqrrl  Xexclude from comparison
DescriptionOpen source graph databaseA mobile DBMS often used as a replacement for SQLiteAdaptable, secure NoSQL built on Apache Accumulo
Primary database modelGraph DBMSRelational DBMSDocument store
Graph DBMS
Key-value store
Wide column store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score49.46
Rank#22  Overall
#1  Graph DBMS
Score7.92
Rank#44  Overall
#27  Relational DBMS
Score0.48
Rank#207  Overall
#29  Document stores
#16  Graph DBMS
#35  Key-value stores
#10  Wide column stores
Websiteneo4j.comrealm.iosqrrl.com
Technical documentationneo4j.com/­docsrealm.io/­docs
DeveloperNeo4j, Inc.RealmAmazon infooriginally Sqrrl Data, Inc.
Initial release200720142012
Current release3.5.8, July 2019
License infoCommercial or Open SourceOpen Source infoGPL version3, commercial licenses availablecommercial infoLicenses are free. Parts are open sourced.commercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ScalaJava
Server operating systemsLinux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
server-lessLinux
Data schemeschema-free and schema-optionalyesschema-free
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
Secondary indexesyes infopluggable indexing subsystem, by default Apache Luceneyesyes
SQL infoSupport of SQLnonono
APIs and other access methodsBolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
Accumulo Shell
Java API
JDBC
ODBC
RESTful HTTP API
Thrift
Supported programming languages.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
Java infowith Android only
Objective-C
React Native
Swift
Actionscript
C infousing GLib
C#
C++
Cocoa
Delphi
Erlang
Go
Haskell
Java
JavaScript
OCaml
Perl
PHP
Python
Ruby
Smalltalk
Server-side scripts infoStored proceduresyes infoUser defined Procedures and Functionsnono
Triggersyes infovia event handleryes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding infomaking use of Hadoop
Replication methods infoMethods for redundantly storing data on multiple nodesCausal Clustering using Raft protocol infoavailable in in Enterprise Version onlynoneselectable replication factor infomaking use of Hadoop
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Immediate ConsistencyImmediate Consistency infoDocument store kept consistent with combination of global timestamping, row-level transactions, and server-side consistency resolution.
Foreign keys infoReferential integrityyes infoRelationships in graphsnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDAtomic updates per row, document, or graph entity
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.yes infoIn-Memory realm
User concepts infoAccess controlUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)noCell-level Security, Data-Centric Security, Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC)
More information provided by the system vendor
Neo4jRealmSqrrl
Specific characteristicsNeo4j is a native graph database platform that is built to store, query, analyze...
» more
Competitive advantagesNeo4j database is the only transactional database that combines everything you need...
» more
Typical application scenariosReal-Time Recommendations Master Data Management Identity and Access Management Network...
» more
Key customersOver 300 commercial customers and over 750 startups use Neo4j. Flagship customers...
» more
Market metricsNeo4j boasts the world's largest graph database ecosystem with more than a 15 million...
» more
Licensing and pricing modelsGPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial...
» more
News

This Week in Neo4j – NODES Keynote, Cypher Eager Operator, Releases of Neo4j OGM and jQAssistant
12 October 2019

Announcing the Global GraphHack Winners!
11 October 2019

Empowering Educators: Neo4j’s New Program for Classroom Instruction
10 October 2019

This Week in Neo4j – It’s NODES Time, Learning Japanese Characters, Building a Chat Bot, Streams, Tables, and Graphs
5 October 2019

Turning Data Into Actionable Knowledge: 5-Minute Interview with David Meza
4 October 2019

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
Neo4jRealmSqrrl
DB-Engines blog posts

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12 June 2019, Amy Hodler & Mark Needham, Neo4j (guest author)

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2 March 2016, Paul Andlinger

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22 December 2015, Emil Eifrem (guest author)

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Conferences and events

GraphConnect 2020
New York, USA, 20-22 April 2020

Recent citations in the news

Neo4j equips educators with data graphing teaching tools
10 October 2019, TechRepublic

Neo4j Launches Program to Empower Educators
10 October 2019, PRNewswire

NEORIS Demonstrates the Power of Graph Knowledge Management to Enable Predictive Analytics at Neo4j GraphTour New York
10 October 2019, PRNewswire

Neo4j Gets Hooks Into Kafka
1 October 2019, Datanami

New Graph Database Performance Benchmark Confirms Graph Database
14 August 2019, AiThority

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

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

How Amazon's AWS Continues To Dominate
2 October 2019, Nasdaq

Amazon's cloud business acquires Sqrrl, a security start-up with NSA roots
23 January 2018, CNBC

TechSparks 2019: Unveiling Tech30 - YourStory’s list of high-potential tech startups in India
12 October 2019, YourStory

AWS acquires threat hunting startup Sqrrl
24 January 2018, CyberScoop

Sqrrl ferrets out network traffic anomalies to find hidden threats
28 September 2017, CSO Online

provided by Google News

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