OrientDB Importer
ArcadeDB is able to import a database exported from OrientDB in JSON format.
For more information about how to export a database from OrientDB, look at Export Database.
To import a database use the Import Database command from API, Studio or Console. Below you can find an example of importing a OrientDB database by using ArcadeDB Console.
> CREATE DATABASE MyDatabase
{MyDatabase}> IMPORT DATABASE file:///temp/orientdb-export.tgz