Question: Find the ID, name, dept name, salary for instructors whose salary is greater than $80,000 .
Options
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
Database Test more questions
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