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MCQ

Q.

In an E-R diagram an entity set is represent by a

A

rectangle

B

ellipse

C

diamond box.

D

circle

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MCQ

1.

For a weak entity set to be meaningful, it must be associated with another entity set, called the

A

Identifying set

B

Owner set

C

Neighbour set

D

Strong entity set

Discussion

MCQ

2.

In E-R diagram generalization is represented by

A

Ellipse

B

Dashed ellipse

C

Rectangle

D

Triangle

Discussion

MCQ

3.

In an E-R diagram an entity set is represent by a

A

rectangle

B

ellipse

C

diamond box.

D

circle

Discussion

MCQ

4.

An entity set that does not have sufficient attributes to form a primary key is termed a __________

A

Strong entity set

B

Variant set

C

Weak entity set

D

Variable set

Discussion

MCQ

5.

A domain is atomic if elements of the domain are considered to be ____________ units.

A

Different

B

Indivisbile

C

Constant

D

Divisible

Discussion

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