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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