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(1) Consider the following set of relations, which describe coffee and coffee drinkers: DRINKS (PERSON, COFFEE) HAS_BEAN (COFWrite RA expressions to compute each of the following. Note that you can abbreviate attribute names if youd like to write le

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Answer #1

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a)

TTBEAN_NAME COFFE=Blend101(HAS_BEAN))

b)

T PEOPLE DRINKSHAS_BEAN NOFROM LOCATION=Brasil(BEAN)

c)

TPERSON.COFEEDRINKS) COFFEE BEAN.NAME=Pacas (HAS_BEAN))

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