Neo4j is a graph database management system developed by Neo Technology, Inc. Described by its developers as an ACID-compliant transactional database with native graph storage and processing, Neo4j is the most popular graph database according to db-engines.com.
Neo4j is available in a GPL3-licensed open-source “community edition”, with online backup and high availability extensions licensed under the terms of the Affero General Public License. Neo also licenses Neo4j with these extensions under closed-source commercial terms.
Neo4j Community Edition :
Neo4j is implemented in Java and accessible from software written in other languages using the Cypher Query Language through a transactional HTTP endpoint. Version 1.0 was released in February, 2010. Neo4j version 2.0 was released in December, 2013.
Features
Major Features of Neo4j :
SQL Like easy query language Neo4j CQL
It follows Property Graph Data Model
It supports Indexes by using Apache Lucence
It supports UNIQUE constraints
It contains a UI to execute CQL Commands : Neo4j Data Browser
It supports full ACID(Atomicity, Consistency, Isolation and Durability) rules
It uses Native graph storage with Native GPE(Graph Processing Engine)
It supports exporting of query data to JSON and XLS format
It provides REST API to be accessed by any Programming Language like Java, Spring,Scala etc.
It provides Java Script to be accessed by any UI MVC Framework like Node JS.
It supports two kinds of Java API: Cypher API and Native Java API to develop Java applications.
2) Connect to virtual machine using following SSH credentials :
Host name: PublicDNS / IP of machine
Port : 22
Username: Your chosen username when you created the machine ( For example: Azureuser) Password : Your Chosen Password when you created the machine ( How to reset the password if you do not remember)
B) Other Information:
1.Application URL: Access the application via a browser at http://PublicDNS
User Name: neo4j || Password: neo4j
Note: Default username and password is neo4j. Please change the password immediately after first login.
2. Default installation path: will be on your web root folder “/var/www/html/”
3. Default ports:
Linux Machines: SSH Port – 22
TCP : 7474 and 7687
4. To access Webmin interface for management please follow this link
Note: Please allow 7474 and 7687 ports for remote access.
Configure custom inbound and outbound rules using this link
2) Connect to virtual machine using following SSH credentials :
Host name: PublicDNS / IP of machine
Port : 22
Username: Your chosen username when you created the machine ( For example: Azureuser) Password : Your Chosen Password when you created the machine ( How to reset the password if you do not remember)
B) Other Information:
1.Application URL: Access the application via a browser at http://PublicDNS
User Name: neo4j || Password: neo4j
Note : Default username and password is neo4j. Please change password immediately after first login.
2. Default installation path: will be on your web root folder “/var/www/html/”
3. Default ports:
Linux Machines: SSH Port – 22
TCP : 7474 and 7687
4. To access Webmin interface for management please follow this link
Note: Please allow 7474 and 7687 ports for remote access.
Configure custom inbound and outbound rules using this link
