Neo4j is an open-source graph database that queries and manipulates data using its own Cypher Query Language.
For more information on the differences between Neo4j and OrientDB, please refer to the OrientDB vs. Neo4j page.
Neo4j and Cypher are registered trademark of Neo Technology, Inc.
Importing data from Neo4j into OrientDB is a straightforward process.
To migrate, you may use the Neo4j to OrientDB Importer. Starting from OrientDB version 2.2, this is the preferred way to migrate from Neo4j.
The Neo4j to OrientDB Importer allows you to migrate Neo4j's nodes, relationships, constraints and indexes. For more details, please refer to the Neo4j to OrientDB Importer Section.
Note: if your data is in CSV format, you can migrate to OrientDB using the OrientDB's ETL tool.