Data Models Questions

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11.

The attribute name could be structured as an attribute consisting of first name, middle initial, and last name. This type of attribute is called

A

Simple attribute

B

Composite attribute

C

Multivalued attribute

D

Derived attribute

Correct Answer: B

None.

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12.

The attribute AGE is calculated from DATE_OF_BIRTH. The attribute AGE is

A

Single valued

B

Multi valued

C

Composite

D

Derived

Correct Answer: D

None.

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13.

Not applicable condition can be represented in relation entry as

A

NA

C

"NULL"

D

Blank Space

Correct Answer: C

None.

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14.

Which of the following can be a multivalued attribute?

A

Phone_number

B

Name

C

Date_of_birth

D

All of the mentioned

Correct Answer: A

None.

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15.

Which of the following is a single valued attribute

A

Register_number

B

Address

C

SUBJECT_TAKEN

D

Reference

Correct Answer: A

None.

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16.

In a relation between the entities the type and condition of the relation should be specified. That is called as______attribute.

A

Desciptive

B

Derived

C

Recursive

D

Relative

Correct Answer: A

None.

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