Multiple choice

Which of the following is/are correct about Hierarchical database model?

  1. This model can have many -to -many relationships among its entities.

  2. This model use SQL language to store the database.

  3. This model does not suffer any insertion anomaly.

  4. This model suffers from deletion anomaly.

  5. Both (2) and (4).
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is true as deletion of any records in the parent can cause the deletion of that in the child table too.

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