Top "Graph-databases" questions

A graph database uses graph structures with nodes, edges, and properties to represent and store information.

What is the difference between graph-based databases and object-oriented databases?

What is the difference between graph-based databases (http://neo4j.org/) and object-oriented databases (http://www.db4o.com/)?

database db4o neo4j graph-databases object-oriented-database
In Cypher, how can I create a relationship if it doesn't exist; update property if it does

In Cypher in Neo4J, given two nodes, if there's no relationship between them, I'd like to create a relationship (…

neo4j graph-databases cypher
orientdb sql query to select edge and vertex fields property.

I do have following database structure. users -> comment -> products a. users and products are the vertexes …

sql orientdb graph-databases
Neo4J - Creating Relationship on existing nodes

I am new to Neo4J and I am looking to create a new relationship between an existing node and …

neo4j cypher graph-databases
Simple way to delete a relationship by ID in Neo4j Cypher?

Using Match and Where can delete a relationship by ID. Match ()-[r]-() Where ID(r)=1 Delete r Is …

neo4j nosql cypher graph-databases
Storing multiple graphs in Neo4J

I have an application that stores relationship information in a MySQL table (contact_id, other_contact_id, strength, recorded_at). …

graph neo4j graph-databases
Neo4j instead of relational database

I am implementing a sinatra/rails based web portal that might eventually have few many:many relationships between tables/models. …

postgresql web-applications nosql neo4j graph-databases
What is the difference between triplestores and graph databases?

There are triplestores (semantic databases), and there are general-purpose graph databases. Both are based on the similar concepts of linking …

graph neo4j semantics graph-databases triplestore
FlockDB - What is it? And best cases for it uses

Just came across FlockDB graph database. Details at github /flockDB. Twitter claims it uses FlockDB for the following: Twitter runs …

graph-databases flockdb
Neo4j: Query to find the nodes with most relationships, and their connected nodes

I am using Neo4j CE 3.1.1 and I have a relationship WRITES between authors and books. I want to find …

neo4j cypher graph-databases