Which of the Following Is True of an Entity-Relationship (E-R)diagram

question 10

Multiple Choice

Which of the following is true of an entity-relationship (E-R) diagram?

• A)Each entity is shown in separate rectangles.
• B)Many-to-many relationships are generally denoted by N:N.
• C)A crow's foot represents a 1:N relationship between two entities.
• D)Crow's foot is a shorthand representation for a single relationship between entities.

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Definitions:

Relationship

A connection, association, or involvement between two or more entities, individuals, or concepts, based on interaction, kinship, or shared characteristics.

Class Position

An individual's or group's status within a society's hierarchy, often related to occupation, wealth, and education.

Change

The process through which something becomes different in some particular way, without permanently losing its identity.