Database design for storing different Product Instances -


i faced following issue: need design data tables storing products. products has serial numbers , each 1 has different attributes:

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now tricky part have know productinstance ordered(by storing if order product.since have different tables different productinstances don't have idea,i @ using rdbs know can not point more tables same foreignkey(in case productinstanceid). enter image description here

is issue can solve in rdbs?thank help


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