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Neo4j ETL

Neo4j ETL allows importing data from relational databases into Neo4j.

Features

  • Neo4j-ETL UI in Neo4j Desktop

  • Manage multiple RDBMS connections

  • automatically extract database metadata from relational database

  • derive graph model

  • visually edit labels, relationship-types, property-names and types

  • visualize current model as a graph

  • persist mapping as json

  • retrieve relevant CSV data from relational databases

  • run import via neo4j-import, bolt-connector, cypher-shell, neo4j-shell

  • bundles MySQL, PostgreSQL, allows custom JDBC driver with Neo4j Enterprise

License

This tool is licensed under the NEO4J PRE-RELEASE LICENSE AGREEMENT.

Issues & Feedback & Contributions

Download & Run Command Line Tool

Download & unzip the latest neo4j-etl.zip.

Examples of command usage:

Minimal command line
./bin/neo4j-etl export \
 --rdbms:url <url> --rdbms:user <user> --rdbms:password <password> \
 --destination $NEO4J_HOME/data/databases/graph.db/ --import-tool $NEO4J_HOME/bin \
 --csv-directory $NEO4J_HOME/import
Full set of command line options
./bin/neo4j-etl export \
 --rdbms:url <url> --rdbms:user <user> --rdbms:password <password> --rdbms:schema <schema> \
 --using { bulk:neo4j-import | cypher:neo4j-shell | cypher:shell | cypher:direct | cypher:batch | cypher:fromSQL } \
 --neo4j:url <neo4j url> --neo4j:user <neo4j user> --neo4j:password <neo4j password> \
 --destination $NEO4J_HOME/data/databases/graph.db/ --import-tool $NEO4J_HOME/bin \
 --csv-directory $NEO4J_HOME/import --options-file import-tool-options.json --force --debug
Additional command line options for cypher:batch and cypher:fromSQL import modes:
 --unwind-batch-size <value> (Batch size that will be used for unwind data) \
 --tx-batch-size <value> (Transaction Batch size that will be used for unwind commit) \

For detailed usage see also the: tool documentation.

Neo4j-Desktop

Use the Application URL https://r.neo4j.com/neo4j-etl-app in the "Graph Apps" tab of Neo4j Desktop.

neo4j etl install graph app icon

Then the next time you start Neo4j Desktop you’ll see Neo4j ETL as a UI to be used interactively.

Configure Driver Load Mapping Edit Mapping Import Data

driver

load mapping

edit mapping

import data

We put detailed usage instructions for the Neo4j ETL Tool in the Neo4j Developer Pages.

JDBC Drivers

The drivers for MySQL and PostgreSQL are bundled with the Neo4j-ETL tool.

To use other JDBC drivers use these download links and JDBC URLs. Provide the JDBC driver jar-file to the command line tool or Neo4j-ETL application. And use the JDBC-URL with the --rdbms:url parameter or in the JDBC-URL input field.

Database JDBC-URL  Driver Source

Oracle

jdbc:oracle:thin:<user>/<pass>@<host>:<port>/<service_name>

MS SQLServer

jdbc:sqlserver://;servername=<servername>;databaseName=<database>;user=<user>;password=<pass>

IBM DB2

jdbc:db2://<host>:<port/5021>/<database>:user=<user>;password=<pass>;

Derby

jdbc:derby:derbyDB

Included since JDK6

Cassandra

jdbc:cassandra://<host>:<port/9042>/<database>

SAP Hana

jdbc:sap://<host>:<port/39015>/?user=<user>&password=<pass>

MySQL

jdbc:mysql://<hostname>:<port/3306>/<database>?user=<user>&password=<pass>

PostgreSQL

jdbc:postgresql://<hostname>/<database>?user=<user>&password=<pass>