Written by Yuri Marx Software Architect at Visum Follow Question Yuri Marx · Jun 14, 2020 What is the best option to generate database diagram? #InterSystems IRIS #Databases #Data Model #Open Source What is the best free/open source option to generate the database diagram (MER) to the iris or cache persistent classes? Discussion (1)1 Log in or sign up to continue Add reply Comments Eduard Lebedyuk · Jun 14, 2020 ObjectScript ClassExplorer.