Complete the following sentence, choosing the right words in positions A and B. A(n) A data model

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Complete the following sentence, choosing the right words in positions A and

B. A(n) …A… data model is the mapping of a(n) …B… data model to a model that describes which data are stored where and in what format.

a. A: internal, B: logical.

b. A: conceptual, B: internal.

c. A: logical, B: internal.

d. A: logical, B: conceptual.

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