Question
{t | Э s ε instructor (t[name] = s[name]
∧ Э u ε department (u[dept name] = s[dept name]
∧ u[building] = “Watson”))}a.
Finds the names of all instructors whose department is in the Watson building.
b.
Finds the names of all department is in the Watson building.
c.
Finds the name of the dapartment whose instructor and building is Watson.
d.
Returns the building name of all the departments.
Posted under DBMS
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