A data model ________.
A) is created after the database is designed
B) is an attribute whose value is associated with only one entity instance
C) is a logical representation of the structure of the data
D) does not describe the relationships among data

Question

Quizplus · Accepted Answer

A data model is a logical representation of the structure of the data, including the relationships between different entities. It is created before the database is designed and helps to ensure the accuracy and consistency of the data. An attribute (option B) is a characteristic or property of an entity, whereas a data model describes the overall structure and organization of the data. Option D is incorrect as a data model does describe the relationships between data.

A Data Model ________