This question is making my brain hurt more than a 100-page data dictionary. Maybe I should have studied more and played fewer video games. Ah, who am I kidding? I'm acing this exam, no matter how many trick questions they throw at me!
A and B, for sure. Anything involving identifier conflicts or data quality sounds like it would be handled at a higher level, not the attribute level. This question is a real head-scratcher, though. I hope the exam doesn't have too many of these!
Hmm, this is a tricky one. I'm leaning towards A and B, but I'm not 100% confident. Maybe I should ask the instructor for a hint or two before the exam.
I'm not sure about this one. Options C and D seem more like entity-level decisions to me, but I could be wrong. Guess I'll have to study this topic more.
I think options A and B are the correct answers here. Deciding whether to concatenate or allow multiple values for an attribute seems like it would need to be defined at the attribute level.
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