neo4j
TLDR
Start Neo4j server
$ neo4j start
Stop server$ neo4j stop
Check status$ neo4j status
Run as console (foreground)$ neo4j console
Open Cypher shell$ cypher-shell
Set initial password$ neo4j-admin dbms set-initial-password [password]
SYNOPSIS
neo4j command [options]
DESCRIPTION
Neo4j is a native graph database platform for connected data. It uses the Cypher query language and stores data as nodes and relationships.
Neo4j excels at queries involving complex relationships that would require expensive joins in relational databases.
PARAMETERS
start
Start server in background.stop
Stop server.restart
Restart server.status
Check server status.console
Run in foreground.
CYPHER EXAMPLES
$ // Create node
CREATE (n:Person {name: 'Alice'})
// Create relationship
MATCH (a:Person), (b:Person)
WHERE a.name = 'Alice' AND b.name = 'Bob'
CREATE (a)-[:KNOWS]->(b)
// Query
MATCH (n:Person)-[:KNOWS]->(m)
RETURN n.name, m.name
CREATE (n:Person {name: 'Alice'})
// Create relationship
MATCH (a:Person), (b:Person)
WHERE a.name = 'Alice' AND b.name = 'Bob'
CREATE (a)-[:KNOWS]->(b)
// Query
MATCH (n:Person)-[:KNOWS]->(m)
RETURN n.name, m.name
CONFIGURATION
$ /etc/neo4j/neo4j.conf
~/.neo4j/neo4j.conf
~/.neo4j/neo4j.conf
CAVEATS
Memory-intensive for large graphs. Community edition single-node only. Requires Java. Default browser UI on port 7474.
HISTORY
Neo4j was developed by Neo4j, Inc. (originally Neo Technology), with version 1.0 released in 2010. It pioneered the property graph model.
SEE ALSO
cypher-shell(1), redis(1), mongodb(1)
