Tuesday, November 26, 2013

Neo4j 2.0: A Giant Leap For Graphkind

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A guest post from Nigel Small, whose current areas of interest include Python, JavaScript, PostgreSQL, Neo4j and Linux. He has also founded a number of open source projects, most significantly py2neo, and is an active blogger, speaker and Neo4j community member who can be reached at @technige.

The full release of Neo4j 2.0 will be something of a landmark for graph database fanatics. That’s not to say that other releases have not been significant, but this particular version is daring to break with its past and offer a smarter approach to database interaction.

As Neophiles will know, Cypher is Neo4j’s home grown data query and modification language and Cypher queries are based around matching paths within the graph. Traditionally, the paths supplied must be anchored to one or more explicitly selected START nodes, but with version 2.0, this is no longer necessary. This has been made possible through the introduction of labels and schema indexes, which provide a way to tag and identify specific nodes outside of legacy indexes and the internal ID mechanism.

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