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DBMS > Neo4j vs. OrientDB vs. PostgreSQL

System Properties Comparison Neo4j vs. OrientDB vs. PostgreSQL

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Editorial information provided by DB-Engines
NameNeo4j  Xexclude from comparisonOrientDB  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionOpen source graph databaseMulti-model DBMS (Document, Graph, Key/Value)Widely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelGraph DBMSDocument store
Graph DBMS
Key-value store
Relational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score53.53
Rank#20  Overall
#1  Graph DBMS
Score5.30
Rank#71  Overall
#12  Document stores
#4  Graph DBMS
#11  Key-value stores
Score555.06
Rank#4  Overall
#4  Relational DBMS
Websiteneo4j.comorientdb.orgwww.postgresql.org
Technical documentationneo4j.com/­docswww.orientdb.com/­docs/­last/­index.htmlwww.postgresql.org/­docs
DeveloperNeo4j, Inc.OrientDB LTD; CallidusCloud; SAPPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release200720101989 info1989: Postgres, 1996: PostgreSQL
Current release4.1.4, November 20203.1.0, June 202013.1, November 2020
License infoCommercial or Open SourceOpen Source infoGPL version3, commercial licenses availableOpen Source infoApache version 2Open Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ScalaJavaC
Server operating systemsLinux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
All OS with a Java JDK (>= JDK 6)FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeschema-free and schema-optionalschema-free infoSchema can be enforced for whole record ("schema-full") or for some fields only ("schema-hybrid")yes
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.noyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyes infopluggable indexing subsystem, by default Apache Luceneyesyes
SQL infoSupport of SQLnoSQL-like query language, no joinsyes infostandard with numerous extensions
APIs and other access methodsBolt protocol
Cypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
Tinkerpop technology stack with Blueprints, Gremlin, Pipes
Java API
RESTful HTTP/JSON API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languages.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
.Net
C
C#
C++
Clojure
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
Scala
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresyes infoUser defined Procedures and FunctionsJava, Javascriptuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyes infovia event handlerHooksyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingpartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesCausal Clustering using Raft protocol infoavailable in in Enterprise Version onlyMulti-source replicationSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infocould be achieved with distributed queriesno
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 Consistency
Foreign keys infoReferential integrityyes infoRelationships in graphsyes inforelationship in graphsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.no
User concepts infoAccess controlUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, Active Directory, Kerberos)Access rights for users and roles; record level security configurablefine grained access rights according to SQL-standard
More information provided by the system vendor
Neo4jOrientDBPostgreSQL
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

The Neo4j BI Connector: How It Works
30 November 2020

This Week in Neo4j – Using Neo4j 4.2 With Cloudflare Workers, Single Sign-On for Neo4j, Building a Spotify Dashboard
28 November 2020

Identity and Access Management: 5-Minute Interview with Seyed Hossein Ahmadinejad
27 November 2020

Updated GraphAcademy Course: Using a Machine Learning Workflow for Link Prediction
25 November 2020

The Neo4j BI Connector: Many Use Cases
23 November 2020

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.

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More resources
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DB-Engines blog posts

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Conferences and events

PostgreSQL Online Trainings
Online Training Courses, 4 May 2020 - 11 December 2020

Recent citations in the news

An Introduction to Neo4j
3 November 2020, iProgrammer

Neo4j Named a Leader in Graph Data Platforms by Independent Research Firm
16 November 2020, PRNewswire

Neo4j Announces First Graph Machine Learning for the Enterprise
20 October 2020, PRNewswire

Graph Databases Gaining Enterprise-Ready Features
4 November 2020, EnterpriseAI

These startups prove it pays to bet on open-source DevOps tools
16 November 2020, TechGenix

provided by Google News

Document Databases Software Market Future Scope including key players MongoDB, Amazon, ArangoDB
30 November 2020, Cheshire Media

Impact of Covid-19 on Graph Database Market is slated to grow rapidly in the forthcoming years with Key Players triAGENS GmbH(Arango DB), Neo4j, Inc, etc.
26 November 2020, The Market Feed

NoSQL Databases Software Market 2020 to Global Forecast 2023 By Key Companies – MongoDB, Amazon, ArangoDB, Azure Cosmos DB, Couchbase, MarkLogic, RethinkDB, CouchDB, SQL-RD, OrientDB, RavenDB, Redis
25 November 2020, The Haitian-Caribbean News Network

NoSQL Software Market Research, Recent Trends and Growth Forecast 2025
26 November 2020, News by aeresearch

Graph Database Market Development and Trends Forecasts Report 2020-2026
26 November 2020, The Market Feed

provided by Google News

Postgres Professional and Zabbix to Co-Host Complimentary Virtual PostgreSQL Monitoring Day
30 November 2020, Yahoo Finance

MEDIA ALERT: Swarm64 Webinar to Introduce PG Nitrous, New PostgreSQL Cloud, Hosted on AWS and Accelerated by Swarm64 DA
30 November 2020, Business Wire

Developers increasingly pair MongoDB with PostgreSQL, survey finds
3 November 2020, TechRepublic

Swarm64 DA 5.0 Brings HTAP to the Open Source PostgreSQL Database
2 November 2020, AiThority

EDB Drives Further Postgres Innovation with Release of EDB 13
17 November 2020, DevOps.com

provided by Google News

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