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Correct entity relationship diagram representation of a normalized table with a NOT NULL foreign key

Intro Hi everyone, this is mainly a classification/theoretical question on the topic of inheritance and normalization techniques in database design and their appropriate representation in entity ...
papshmeare's user avatar
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Modeling a product database and dealing with inheritance

So, to get better at designing databases, I'm attempting to model a database system after the AR15 Builder. Here is what I have so far: While it makes sense logically, I'm afraid there may be ...
Jester Jeffrey's user avatar