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1 vote
5 answers
296 views

Data Modeling: Are technical concepts within a tool that implement a business entity entities as well?

I believe this forum is the correct one for my question, based on the community guidelines but let me know if not. It seemed like the best fit. I am performing a data modeling exercise to formulate a ...
Steven's user avatar
  • 229
-1 votes
2 answers
132 views

How to change a data model

In my model a user entity has three attributes : ID, name, hasBoyfriend. I want now to change hasBoyfriend to boyFriendsNames which is an array of names . The user entity is used by many services. The ...
Cap Barracudas's user avatar
4 votes
3 answers
238 views

ER diagram - feasibility of a requirement

I need to model the following requirement in an Entity-Relationship diagram. "Customers place orders, which contain a list of products with their quantity and prices. A shipment is made when ...
holy_el's user avatar
  • 49
0 votes
1 answer
344 views

Relationships in a Chen ERD

I am working on a Chen ERD to model our organizations merchandise. Our central entity is a Style. We have supplemental entities of Color and Season. I am defining our assortment as the ...
Nibroc A Rehpotsirhc's user avatar