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Graph Database

Explore, manage, store, and analyze graph data in Neo4j^® database using MATLAB^® interface to Neo4j or Database Toolbox™ Interface for Neo4j Bolt Protocol

Database Toolbox enables you to connect to a Neo4j graph database using the MATLAB interface to Neo4j. After creating a Neo4j connection, you can search the graph database data. Create, update, and delete nodes and relationships in the database. Update node labels and properties and update relationship properties. Perform analysis with graph network algorithms using the MATLAB directed graph. Store the directed graph in the Neo4j database. Traverse and analyze graph data by executing Cypher^® queries using the Cypher query language.

You can also connect to a Neo4j database using the Bolt protocol. You can use the same functionality to interact with graph data stored in a Neo4j database. To connect using the Bolt protocol, you must install the Database Toolbox Interface for Neo4j Bolt Protocol.

Functions

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Neo4j Connection

`neo4j`	Connect to Neo4j database
`close`	Close Neo4j database connection (Since R2019a)

Traverse the Graph

`nodeDegree`	In-degree and out-degree for each associated relationship type for Neo4j database node
`nodeLabels`	All node labels in Neo4j database
`nodeRelationTypes`	Associated relationship types for Neo4j database node
`neo4jStruct2Digraph`	Convert graph or relationship structure from Neo4j database to directed graph
`propertyKeys`	All property keys in Neo4j database
`relationTypes`	All relationship types in Neo4j database
`searchGraph`	Search for subgraph or entire graph in Neo4j database
`searchNode`	Search Neo4j database nodes by label or by property key and value
`searchNodeByID`	Search Neo4j database nodes by node identifier
`searchRelation`	Search relationships for Neo4j database node
`searchRelationByID`	Search Neo4j relationship by relationship identifier

Update the Graph

`createNode`	Create nodes in Neo4j database
`createRelation`	Create relationships between nodes in Neo4j database
`deleteNode`	Delete nodes from Neo4j database
`deleteRelation`	Delete relationships from Neo4j database

Update Labels and Properties in Graph

`addNodeLabel`	Add labels to nodes in Neo4j database (Since R2019a)
`removeNodeLabel`	Remove labels from nodes in Neo4j database (Since R2019a)
`removeNodeProperty`	Remove properties from nodes in Neo4j database (Since R2019a)
`removeRelationProperty`	Remove properties from relationships in Neo4j database (Since R2019a)
`setNodeProperty`	Set properties for nodes in Neo4j database (Since R2019a)
`setRelationProperty`	Set properties for relationships in Neo4j database (Since R2019a)
`updateNode`	Update node labels and properties in Neo4j database
`updateRelation`	Update relationship properties in Neo4j database

Store Directed Graph

storeDigraph Store directed graph in Neo4j database

Execute Cypher Query

executeCypher Execute Cypher query on Neo4j database

Objects

`Neo4jConnect`	Neo4j database connection
`Neo4jNode`	Neo4j database node
`Neo4jRelation`	Neo4j database relationship

Topics

About Neo4j Database Interfaces

Graph Database Workflow for Neo4j Database Interfaces
Discover the Neo4j graph database and explore the Neo4j database interfaces and workflow.
Database Toolbox Interface for Neo4j Bolt Protocol Installation
Install the Database Toolbox Interface for Neo4j Bolt Protocol and learn about the supported Neo4j database versions.

Explore and Update Graph

Search Graph Database
Conduct general or targeted searches.
Explore Graph Database Structure
Traverse the graph database structure.
Update Friend Information in Social Neighborhood
Create, update, and delete nodes and relationships in a Neo4j database.