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MCQ

Q.

The total participation by entities is represented in E-R diagram as

A

Dashed line

B

Double line

C

Double rectangle

D

Circle

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MCQ

1.

If an entity set is a lower-level entity set in more than one ISA relationship, then the entity set has

A

Hierarchy

B

Multilevel inheritance

C

Single inheritance

D

Multiple inheritance

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2.

If you were collecting and storing information about your music collection, an album would be considered a(n) _____

A

Relation

B

Entity

C

Instance

D

Attribute

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3.

Which of the following gives a logical structure of the database graphically?

A

Entity-relationship diagram

B

Entity diagram

C

Database diagram

D

Architectural representation

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4.

A relational database consists of a collection of

A

Tables

B

Fields

C

Records

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Keys

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5.

Functional dependencies are a generalization of

A

Key dependencies

B

Relation dependencies

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Database dependencies

D

None of the mentioned

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