Multiple choice

The object-based logical data model used to portray data at the conceptual and the view level is

  1. network data model

  2. relational data model

  3. ER model

  4. IDMS

  5. Sybase
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C Correct answer
Explanation

The entity-relationship model is the most popular object-based logical model. It is used to portray data at the conceptual and the view levels.

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