Question

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

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

Posted under DBMS

Answer: (a).{t | t ε instructor ∧ t[salary] > 80000}

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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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