Multiple choice

In which of the following models the SET concept is used?

  1. Network model

  2. Hierarchical model

  3. Relational model

  4. None of these

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A Correct answer
Explanation

 A data type as used in a typical relational database might be the set of integers. The popularity of the network data model coincided with the popularity of the hierarchical data model.Thus, the Network model uses SET .