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Asked: 2026-05-17T21:47:46+00:00

I would be grateful if somebody could help me to find an elegant solution

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I would be grateful if somebody could help me to find an elegant solution to this database design problem. There is a company with a lot of different products (P1,P2,P3,P4) and a lot of customers (C1, C2, C3, C4). Now they have a simple database table to deal with orders, something like
20101027 C2 P1 qty status
20101028 C1 P2 qty status

Now I would like to create groups of products ( eg. (P1+P3+p4) and (P2+P3)) that could be purchase together for a reduced price. What is the best way to represent such groups in a database system? Dealing with these groups as individual products doesn’t work, because I need the functionality of replacing, adding or removing products from the groups. So I need to keep the currently given table of products.

Thanks for reading. I hope I will get some help.

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1 Answer

  1. Editorial Team

    Add a new table product_group_promotions, with an ID, name and discount price. Then create a table product_group_promotions_products that links products to product group promotions. This will contain a product group ID and a product ID. This way, you can place one product in multiple groups, and let groups contain multiple products (of course).

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