IT Education ORM (Object role modeling) lesson 7 – Surplus / derived entities By Magic Monk on Tuesday, September 17, 2019 In this tutorial we talk about how to combine surplus entities and state derived entities in our CS diagrams. palnet steemiteducation steemstem technology Previous Post Next Post Related Posts IT Education How to mark external emails in a different color (Outlook 365 conditional formatting) IT Education Outlook Office 365 – How to assign different colors to different senders’ e-mails IT Education Microsoft Word Ink button grayed out / missing fix (Wacom Tablet)