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An enterprise data model is:

  • A.a graphical model that shows the high-level entities for an organization.
  • B.a graphical model that shows all entities for an organization.
  • C.a non-graphical model that shows the high-level entities for an organization.
  • D.a non-graphical model that shows the all entities for an organization.

Answer: A

Correct answer: a graphical model that shows the high-level entities for an organization.

Both halves matter. It is graphical, so it can be read and validated by people who are not database specialists; and it shows high-level entities only, since a model containing every entity in the organisation would be unreadable and would not survive contact with change.

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