In the orchestrator database, which table holds the orchestrator version?
o determine the version of System Center Orchestrator Runbook Designer and the version of the management server that it’s connected to, start the Runbook Designer application, connect to the desired management server, and then click About on the Help menu .
Is hard to find in the database this information.
The easiest way, look in the Orchestrator machine under the Control Panel → Programs and Features.
or in the Orchestrator machine run this command
wmic datafile where 'name="C:\\Program Files (x86)\\UiPath\\Orchestrator\\UiPath.Orchestrator.exe"' get version