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Could you please tell me which one is correct? My idea is C but not pretty sure.For A and B, I just can't understand why
Could you please tell me which one is correct? My idea is C but not pretty sure.For A and B, I just can't understand why female needs to minus males and could you please draw a table about the join result? Thanks!
For the next five questions, consider the following database schema with four relation:s - Person-name, age, gender with key name) Likes - name, cafe) with key name, cafe) and foreign key namelPerson[name] Drinks-
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