Entity-Relationship Diagrams: Minimum cardinalities: Order processing example

[@razchaurasia630]

its nice man keep it up

[@rakshithv1117]

Thanks. Saved my life

[@alkg7]

Was just about to say the same thing😆 Thanks @Mark!

[@hellwalker8602]

thanks a lot your video helped me a lot

[@omarc900]

What if for example the min must be say 5 and the max can be 20? Ex: A class must have a min of 5 Students to start and no more (max) of 20 Students? How would one show that in the diagram?

[@MuhammadBilal-ve1vk]

How to ensure or implement minimum cardinality while building schema objects in DB

[@ONSTART]

great video, thanks

[@AIWhimsic]

But an order can have at least one product to be created, and can have more than one product as well.

[@jeevanjose6986]

Yes, that would be another record with the same order number. The relationship here is corresponding to each record. Hence, the optionality