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What are the most important advantages of the hirerchical database model?

What are the most important advantages of the hirerchical database model?

What are the most important advantages of the hirerchical database model?

(a)Conceptual simplicity, integrity, diversity and security
(b)Security, efficiency, diversity, simplicity and integrity
(c)Integrity, efficiency, diversity, independence and simplicity
(d)Conceptual simplicity, security, hierarchy
(e)Conceptual simplicity, security, independence, integrity and efficiency.

Johnson 29-Dec-2017

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