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Modeling Data in the Organization
Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity.
True
Correct Answer:
True
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Modeling Data in the Organization
No two attributes of the same entity type should have the same name.
A derived attribute is an attribute whose values can be calculated from a related relationship.
A strong entity is an entity whose existence depends on some other entity type.
A fact is a word or phrase that has a specific meaning for the business.
Some business rules cannot be represented in common data modeling notation.
A time stamp is a time value that is associated with a data value.
An attribute is a person, place, object, event in a user environment.
Business rules and policies are universal.
A logical representation of the data for an organization or for a business area is known as an entity-relationship model.
Relationships cannot have attributes.
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