This extension enables user to work with OrientDB database in Knime environment. The extension is build with official OrientDB Java API, and includes 5 nodes to utilize basic database routines – create, read, update and delete tasks. OrientDb uses a dialect of SQL with some extensions for graph traversal – https://orientdb.com/docs/last/SQL.html. Description of the section: OrientDB Command: Executes non-idempotent operations in synchronous or asynchronous mode. Used for inserting data into the database. OrientDB Connection: The node creates a database connection. OrientDB Execute: Executes multiple SQL commands in a batch mode. OrientDB Function: Executes functions defined by users on OrientDB server. OrientDB Query: Execute idempotent operations. Used for extracting data from database as Knime table.