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No its not. I am the teacher ;)... I am preparing the theory about this world. I have my own system to create models, but in this course i want use other standards. My problem is the indentification any concepts, because i dont know if my onw name is the same than other, or they are diferent...

Thanks for your examples. The identifying relationship, can be 1:1 1:N or N:M or are limited?

I am trying prepare a nice manual for my students. There are several concepts where i have doubts.

Hi "Within the EER model, I need to understand the difference to Kknow an identifying relationship. Could you provide me with an example that I can extrapolate to others? Thank you."