If a hierarchical model contains N:M relationship types that have been integrated by repeating the child nodes

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If a hierarchical model contains N:M relationship types that have been integrated by repeating the child nodes where necessary, what are the dangers of updating the database?

a. Slower retrieval of data.

b. Creating data inconsistency.

c. Creating unnecessary records.

d. All of the above.

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Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

ISBN: 9781107186125

1st Edition

Authors: Wilfried Lemahieu, Seppe Vanden Broucke, Bart Baesens

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Question Posted: Dec 18, 2023 01:32 AM

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If a hierarchical model contains N:M relationship types that have been integrated by repeating the child nodes

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d All of the above Updating the database in a hierarchical model wit...View the full answer

Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

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