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DBMS > Neo4j

Neo4j System Properties

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Editorial information provided by DB-Engines
NameNeo4j
DescriptionOpen source graph database
Database modelGraph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score37.87
Rank#21  Overall
#1  Graph DBMS
Websiteneo4j.com
Technical documentationneo4j.com/­docs/­developer-manual/­current
DeveloperNeo Technology
Initial release2007
Current release3.2.1, June 2017
License infoCommercial or Open SourceOpen Source infoGPL version3, commercial licenses available
Cloud-based infoOnly available as a cloud serviceno
Implementation languageJava, Scala
Server operating systemsLinux infoCan also be used server-less as embedded Java database.
OS X
Solaris
Windows
Data schemeschema-free
Typing infopredefined data types such as float or dateyes
Secondary indexesyes infopluggable indexing subsystem, by default Apache Lucene
SQL infoSupport of (almost entire) SQL standard (DML, DDL and DCL statements)no
APIs and other access methodsCypher query language
Java API
Neo4j-OGM infoObject Graph Mapper
RESTful HTTP API
Spring Data Neo4j
TinkerPop 3
Supported programming languages.Net
Clojure
Elixir
Go
Groovy
Haskell
Java
JavaScript
Perl
PHP
Python
Ruby
Scala
Server-side scripts infoStored proceduresyes infoUser defined Procedures and Functions
Triggersyes infovia event handler
Partitioning methods infoMethods for storing different data on different nodesnone
Replication methods infoMethods for redundantly storing data on multiple nodesCausal Clustering using Raft protocol infoavailable in in Enterprise Version only
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemCausal and Eventual Consistency configurable in Causal Cluster setup
Immediate Consistency in stand-alone mode
Foreign keys infoReferential integrityyes infoRelationships in graphs
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
User concepts infoAccess controlUsers, roles and permissions. Pluggable authentication with supported standards (LDAP, active directory)
More information provided by the system vendor
Neo4j
Specific characteristics

Neo4j is a native graph database that is built to store, query and manage highly connected data more efficiently than other databases. Data relationships are first class citizens and can be traversed in constant time without index lookups. That allows even complex queries to deliver results in milliseconds than in minutes. Architected for the property graph model, it provides optimized mechanisms to work with todays complex domains and use-cases.

Competitive advantages

Neo4j is the only transactional database that combines everything you need for performance and trustability in applications that bring data relationships to the fore: native graph storage, native graph processing, graph scalability, high availability, built-in ETL, and integration support, plus Cypher, a powerful and expressive language for queries using vastly less code than SQL.

Typical application scenarios
  • Real-Time Recommendations
  • Master Data Management
  • Identity and Access Management
  • Network and IT Operations
  • Fraud Detection
  • Graph-Based Search
Key customers

eBay, Walmart, Cisco, UBS, HP, CenturyLink, Telenor, TomTom, Telenor, The National Geographic Society

Market metrics

Neo4j boasts the world's largest graph database ecosystem with more than a million downloads, and 200+ enterprise customers, including 50 Global 2000 companies.

Licensing and pricing models

GPL v3 license that can be used all the places where you might use MySQL. Neo4j Commercial license is offered by Neo Technology, Inc., and is bundled in Neo4j Enterprise, which includes enterprise features and world-class support. Contact neo4j.com for pricing information.

3rd party products and services

We invite representatives of 3rd party vendors to contact us for presenting information about their offerings here.

More resources
Neo4j
DB-Engines blog posts

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)

Graph DBMS increased their popularity by 500% within the last 2 years
3 March 2015, Paul Andlinger

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Recent citations in the news

Neo4j and NASA: When graph database technology really is rocket science
21 June 2017, ZDNet

Work at ICIJ: Now hiring a Neo4j Connected Data Fellow
11 May 2017, International Consortium of Investigative Journalists (blog)

Causal Consistency for Large Neo4j Clusters
16 April 2017, InfoQ.com

Neo4j looks forward to IPO as graph database market grows
16 May 2017, ZDNet

Introducing Neo4j 3.2: The Graph Foundation for Internet Scale Applications
12 May 2017, SDTimes.com

provided by Google News

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