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All node labels in Neo4j database



nlabels = nodeLabels(neo4jconn) returns all node labels in the Neo4j® database using the Neo4j database connection neo4jconn. You can retrieve the entire graph or search for a subgraph using the node labels. To search the graph database for relationship types instead, see relationTypes.


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Create a Neo4j® database connection using the URL http://localhost:7474/db/data, user name neo4j, and password matlab.

url = 'http://localhost:7474/db/data';
username = 'neo4j';
password = 'matlab';

neo4jconn = neo4j(url,username,password);

Check the Message property of the Neo4j connection object neo4jconn. The blank Message property indicates a successful connection.

ans =


Retrieve all node labels using the Neo4j database connection neo4jconn. The cell array nlabels contains a character vector for the one node label in the Neo4j database.

nlabels = nodeLabels(neo4jconn)
nlabels = 1×1 cell array

Close the database connection.


Input Arguments

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Neo4j database connection, specified as a Neo4jConnect object created with the function neo4j.

Output Arguments

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Node labels in the Neo4j database, returned as a cell array of character vectors. Each character vector denotes a node label.

Version History

Introduced in R2016b