UGC NET COMPUTER SCIENCE SOLVED
MODEL PAPER FOR JULY 2016 EXAM
1. Every time
attribute A appears, it is matched with the same value of attribute B, but not
the same
value of attribute C. Therefore, it is true that:
(A) A → B
(B) A → C
(C) A → (B,C).
(D) (B,C) → A.
Ans.: A
2. In the relational model, relationships
between relations or tables are created by using:
(A) Composite keys.
(B) Determinants.
(C) Candidate keys.
(D) Foreign keys
Ans.:D
3. A tuple is a(n) :
(A) Column of a table.
(B) Two dimensional table.
(C) Row of a table
(D) Key of a table.
Ans.:C
