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Asked: 2026-05-31T14:30:23+00:00

I need to create a simple database for simple online shop. I crated the

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I need to create a simple database for simple online shop. I crated the following one desing scheme, but I am not sure about correctness of it.
Does it correct?
What are mistakes?

Like here:

http://netbeans.org/kb/docs/javaee/ecommerce/data-model.html

enter image description here

but I want to add shopping cart

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1 Answer

  1. Editorial Team

    I see one potential issue:

    If a user has one shopping_cart, and a shopping_cart has one user, should order contain both user_id and shopping_cart_id?

    What ensures that these two IDs in this table reference a user and shopping_cart that are also associated with each other?

    EDIT:

    I would just get rid of shopping_cart, since it only contains totals that you would probably be better off calculating based on the current contents of the order.

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