Q. 39 Consider the relation employee (name, sex, supervisorName (with name as the
key. supervisor Name-gives the name of the supervisor of the employee under
consideration. What does the following Tuple Relational Calculus query produce?
(A) Names of employees with a male supervisor
(B) Names of employees with no immediate male subordinates
(C) Names of employees with no immediate female subordinates
(D) Names of employees with a female supervisor
Answer: (C)
Explanation:
