Question
a.
{t | t ε instructor ∧ t[salary] > 80000}
b.
Э t ∈ r (Q(t))
c.
{t | Э s ε instructor (t[ID] = s[ID]∧ s[salary] > 80000)}
d.
None of the mentioned
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Q. Find the ID, name, dept name, salary for instructors whose salary is greater than $80,000 .
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