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Q.

information stored about a specific album?

A

Relation

B

Instance

C

Table

D

Column

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MCQ

1.

Key to represent relationship between tables is called

A

Primary key

B

Secondary Key

C

Foreign Key

D

None of the mentioned

Discussion

MCQ

2.

_____________ express the number of entities to which another entity can be associated via a relationship set.

A

Mapping Cardinality

B

Relational Cardinality

C

Participation Constraints

D

None of the mentioned

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MCQ

3.

In E-R diagram generalization is represented by

A

Ellipse

B

Dashed ellipse

C

Rectangle

D

Triangle

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4.

Weak entity set is represented as

A

Underline

B

Double line

C

Double diamond

D

Double rectangle

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5.

level entity set.

A

Disjointness

B

Uniqueness

C

Special

D

Relational

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