1.

Find the ID, name, dept name, salary for instructors whose salary is greater than $80,000 .

A. {t | t instructor t[salary] > 80000}
B. t r (Q(t))
C. {t | s instructor (t[ID] = s[ID] s[salary] > 80000)}
D. None of the mentioned
Answer» B. t r (Q(t))


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