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Question 46 - CITM-001 discussion

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------------------------------is a property that describes various characteristics of an entity

A.

ER Diagram

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A.

ER Diagram

B.

Column

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B.

Column

C.

Relationship

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C.

Relationship

D.

Attribute

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D.

Attribute

Suggested answer: D

Explanation:

An attribute is a property that describes various characteristics of an entity. For example, an entity type called Employee may have attributes such as name, age, salary, department, etc. An attribute can also be a primary key that uniquely identifies an entity instance, or a foreign key that references another entity type. An attribute can have a data type, a domain, and a constraint that define its format, range, and validity. An attribute is represented by an oval in an ER diagram, and by a column in a table.Reference:3,EXIN EPI Certified Information Technology Manager - EXIN(page 23)

asked 18/11/2024
Hicham Jellab
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