(^) Executes an SQL query passed as a prepared statement, with a list of values to substitute for placeholders

(^) Executes a given SQL query against a relational database and returns the results as a normalised data graph

(^) Creates an instance of a Relational Data Access Service

(^) Returns the special root object in an otherwise empty data graph. Used when creating a data graph from

(^) Applies the changes made to a data graph back to the database.