Computer Science Gate Question Papers with Answers pdf - 2
Question: 6
In an E-R diagrams, ellipses represents
(A) Attributes
(B) Link between attributes and entity sets
(C) Relation among entity set
(D) Entity set
Ans: A
Attributes
Question: 7
A _____ is a property of the entire relation rather than of the individual tuples in which each tuple is unique.
(A) Key
(B) Rows
(C) Attribute
(D) Fields
Ans: A
Key
Question: 8
In a relational modes, a cardinality is termed as
(A) Number of constraints
(B) Number of tables
(C) Number of attributes
(D) Number of tubles
Ans: D
Number of tubles
Question: 9
Which of the following is not a type of database?
(A) Relational
(B) Hierarchical
(C) Network
(D) Transition
Ans: D
Transition
Question: 10
DBMS helps to achieve
(A) Data independence
(B) More redundancy
(C) Centralised manner to control of data
(D) Both a and c
Ans: D
both a and c
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