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Question

What is the purpose of designing a query language over a mapping meta-model?

a.

To simplify mapping management.

b.

To ensure the scalability of query answering.

c.

To create new data sources.

d.

To define formal meta-models.

Posted under Big Data Computing

Answer: (b).To ensure the scalability of query answering. Explanation:Designing a query language over a mapping meta-model aims to ensure the scalability of query answering.

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Q. What is the purpose of designing a query language over a mapping meta-model?

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