GATE | GATE CS 2008 | Question 14

Which of the following tuple relational calculus expression(s) is/are equivalent to 

(A) I only 
(B) II only 
(C) III only 
(D) III and IV only 


Answer: (C)

Explanation: Some transformation rules for tuple relational calculus are :

Thus, using the above rules option (C) is correct.

Please comment below if you find anything wrong in the above post.

Quiz of this Question