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Question

What advantage does Db4o have over traditional database systems in terms of data schema?

a.

It uses a complex mapping function

b.

It stores data schema on disk

c.

It doesn't require a mapping function as the application schema matches the data schema

d.

It relies on code injection for query execution

Posted under Big Data Computing

Answer: (c).It doesn't require a mapping function as the application schema matches the data schema Explanation:Db4o doesn't require a mapping function because the application schema corresponds with the data schema, which results in better performance and a good user experience.

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Q. What advantage does Db4o have over traditional database systems in terms of data schema?

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