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DBMS > Neo4j vs. PostgreSQL

System Properties Comparison Neo4j vs. PostgreSQL

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Editorial information provided by DB-Engines
NameNeo4j  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionOpen source graph databaseWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelGraph DBMSRelational 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
Score53.79
Rank#19  Overall
#1  Graph DBMS
Score552.23
Rank#4  Overall
#4  Relational DBMS
Websiteneo4j.comwww.postgresql.org
Technical documentationneo4j.com/­docswww.postgresql.org/­docs
DeveloperNeo4j, Inc.PostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release20071989 info1989: Postgres, 1996: PostgreSQL
Current release4.2.2, January 202113.1, November 2020
License infoCommercial or Open SourceOpen Source infoGPL version3, commercial licenses availableOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ScalaC
Server operating systemsLinux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeschema-free and schema-optionalyes
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.yes infospecific XML-type available, but no XML query functionality.
Secondary indexesyes infopluggable indexing subsystem, by default Apache Luceneyes
SQL infoSupport of SQLnoyes 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
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++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresyes infoUser defined Procedures and Functionsuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyes infovia event handleryes
Partitioning methods infoMethods for storing different data on different nodesnonepartitioning 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 onlySource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
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
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 persistentyesyes
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)fine grained access rights according to SQL-standard
More information provided by the system vendor
Neo4jPostgreSQL
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

Driving Innovation and Powering Advanced Analytics with Neo4j
20 January 2021

Top 10 Graph Database Use Cases: Fraud Detection
18 January 2021

This Week in Neo4j – Drawing graphs with Arrows.app, GraphSAGE, Parsing & Importing XML
16 January 2021

Mapping IoT to the Graph: 5-Minute Interview with Per Gyllstrom
15 January 2021

Announcing New Introduction to Neo4j 4.x Online Training Courses!
12 January 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.

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More resources
Neo4jPostgreSQL
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)

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PostgreSQL is the DBMS of the Year 2020
4 January 2021, Paul Andlinger, Matthias Gelbmann

PostgreSQL is the DBMS of the Year 2018
2 January 2019, Paul Andlinger, Matthias Gelbmann

PostgreSQL is the DBMS of the Year 2017
2 January 2018, Paul Andlinger, Matthias Gelbmann

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Recent citations in the news

Neo4j Poised for 2021 Growth with Top-Tier Executive Appointments
13 January 2021, PRNewswire

Graph database Market Landscape 2021 |IBM, Microsoft, oracle, AWS, neo4j
22 January 2021, NeighborWebSJ

Graph Database Market 2020-2027 | Oracle, IBM, Microsoft, Amazon Web Services, Neo4j, TIBCO Software
14 January 2021, KSU | The Sentinel Newspaper

Why the 2020s will be dominated by graph technology
5 January 2021, ComputerWeekly.com

Global Graph Database Market 2025: IBM, Microsoft, Oracle, AWS, Neo4j, etc.
20 January 2021, Splash Radio Wales

provided by Google News

What the PostgreSQL community has done so right
30 December 2020, TechRepublic

Crunchy Data PostgreSQL Security Technical Implementation Guide Now Available
6 January 2021, PRNewswire

PostgreSQL Is DB-Engines DBMS of the Year For 2020
15 January 2021, iProgrammer

Know How RDBMS Software Market Is Thriving Continuously By Top Key Players | Microsoft, Oracle, PostgreSQL Global Development Group
19 January 2021, KSU | The Sentinel Newspaper

Open source database comparison to choose the right tool
7 January 2021, TechTarget

provided by Google News

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