The beginTransaction action starts the database transaction. Updates are not committed.

The close action closes the database connection.

The commitTransaction action saves all database updates since the last commit point.

The destroyPart action destroys the part and its children, and releases all associated resources. You can use this action for both visual and nonvisual parts. All connections to the destroyed part are removed.

The executeQuery action runs the query.

The executeQueryAsTransaction action runs the query as a transaction.

The rollbackTransaction action rolls back the database to the previous commit point.