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Data Modeling with ER Model
Which of the following refers to something that can be identified in the users' work environment, something that the users want to track?
Entity
Attribute
Identifier
Relationship
Correct Answer:
Entity
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Data Modeling with ER Model
In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.
In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?
An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity.
When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships.
A ternary relationship is so called because in contains two entities and one association between them.
In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship.
An entity is something that can be identified in the user's work environment; something that the users want to track.
An identifier typically uses more than one attribute.
Relationship classes are associations between entity classes.
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