Question 8046 – Memory-Interfacing
December 3, 2023Question 6895 – Artificial-Intelligence
December 3, 2023Database-Management-System
|
Question 115
|
From the following instance of a relation scheme R(A,B,C), we can conclude that:
|
A functionally determines B and B functionally determines C
|
|
|
A functionally determines B and B does not functionally determines C
|
|
|
B does not functionally determines C
|
|
|
A does not functionally determines B and B does not functionally determines C
|
Question 115 Explanation:
From the given instance of relation it can be seen that A functionally determines B, but we cannot conclude this for the entire relation.
But for the given instance it can be seen that B does not functionally determines C, and it can be concluded for entire relation.
But for the given instance it can be seen that B does not functionally determines C, and it can be concluded for entire relation.
Correct Answer: C
Question 115 Explanation:
From the given instance of relation it can be seen that A functionally determines B, but we cannot conclude this for the entire relation.
But for the given instance it can be seen that B does not functionally determines C, and it can be concluded for entire relation.
But for the given instance it can be seen that B does not functionally determines C, and it can be concluded for entire relation.
Subscribe
Login
0 Comments