Multiple choice technology databases

The ER Model is meant to

  1. replace relational design

  2. be close to a users perception of the data

  3. enable detailed descriptions of data query processing

  4. enable low level descriptions of data
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B Correct answer
Explanation

The Entity-Relationship (ER) model is a high-level conceptual data model designed to represent user views and perceptions of data structurally, independent of physical implementation. It does not replace relational design but aids it, and it does not define low-level query execution or physical storage details.

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