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DBMS > Datomic vs. Neo4j

System Properties Comparison Datomic vs. Neo4j

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Our visitors often compare Datomic and Neo4j with MongoDB, PostgreSQL and Microsoft Azure Cosmos DB.

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonNeo4j  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityOpen source graph database
Primary database modelRelational DBMSGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.05
Rank#115  Overall
#56  Relational DBMS
Score52.23
Rank#19  Overall
#1  Graph DBMS
Websitewww.datomic.comneo4j.com
Technical documentationdocs.datomic.comneo4j.com/­docs
DeveloperCognitectNeo4j, Inc.
Initial release20122007
Current release0.9.5951, July 20194.2.5, April 2021
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infoGPL version3, commercial licenses available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureJava, Scala
Server operating systemsAll OS with a Java VMLinux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Data schemeyesschema-free and schema-optional
Typing infopredefined data types such as float or dateyesyes
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 indexesyesyes infopluggable indexing subsystem, by default Apache Lucene
SQL infoSupport of SQLnono
APIs and other access methodsRESTful HTTP APIBolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
Supported programming languagesClojure
Java
.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresyes infoTransaction Functionsyes infoUser defined Procedures and Functions
TriggersBy using transaction functionsyes infovia event handler
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersnone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersCausal Clustering using Raft protocol infoavailable in in Enterprise Version only
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Foreign keys infoReferential integritynoyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and development
User concepts infoAccess controlnoUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)
More information provided by the system vendor
DatomicNeo4j
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 – Neo4j Streams, Event Processing, Py2Neo, News as Knowledge Graphs
8 May 2021

Intelligent Content Curation: 5-Minute Interview with Tourism Media’s Terry Franklin
7 May 2021

Neo4j Graphs4Good Honored with Fast Company’s 2021 World Changing Ideas Award
5 May 2021

Gartner’s Getting Graphy at Highly Anticipated Data & Analytics Summit
4 May 2021

Advantages of Neo4j Aura Enterprise: Reliable and Productive
3 May 2021

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.

Related products and services
3rd partiesGraphable delivers expert services for Neo4j and other Graph DBMS.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
DatomicNeo4j
DB-Engines blog posts

Applying Graph Analytics to Game of Thrones
12 June 2019, Amy Hodler & Mark Needham, Neo4j (guest author)

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

The openCypher Project: Help Shape the SQL for Graphs
22 December 2015, Emil Eifrem (guest author)

show all

Conferences and events

Graph-Centered AppDev Series, What's wrong with your application?
Webinar, Episode 1 [REPLAY], 6 April 2021 - 6 July 2021

Recent citations in the news

Brazil's Nubank Acquires US Software Firm Cognitect
30 July 2020, Nearshore Americas

Nubank buys firm behind Clojure programming language
28 July 2020, Finextra

Latin American banking giant Nubank snaps up US software company
24 July 2020, AltFi

Fintech Powerhouse Nubank Buys U.S. Software Firm Cognitect
23 July 2020, BloombergQuint

How to Use Architectural Decision Records to Make Decisions
16 March 2021, Business Insider

provided by Google News

Neo4j's Graphs 4 COVID-19 Initiative Honored Twice in Fast Company's 2021 World Changing Ideas
5 May 2021, PRNewswire

Neo4j: Why Graph Technology Is the Key to Fraud Detection
16 April 2021, The Fintech Times

GPU Database Market Research & Clinical Advancements by 2028 | Kinetica, Blazegraph, Neo4j – KSU | The Sentinel Newspaper
8 May 2021, KSU | The Sentinel Newspaper

Global GPU Database Market 2025: Top Key Players Graphistry, Kinetica, SQream, OmniSci, NVIDIA, Neo4j, Blazegraph and others – The Courier
5 May 2021, The Courier

Neo4j Continues Exceptional Growth in 2020, Bolstered by Customer Wins, Mainstream Adoption and Community Expansion
17 February 2021, PRNewswire

provided by Google News

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