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Question

What happens if a query in adaptive merging is fully covered by the results column?

a.

The query is not executed.

b.

The query touches the initial runs.

c.

The query is executed using a binary search.

d.

The query is executed using a quicksort.

Posted under Big Data Computing

Answer: (a).The query is not executed. Explanation:If a query in adaptive merging is fully covered by the results column, the query is not executed, as it does not need to touch the initial runs.

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Q. What happens if a query in adaptive merging is fully covered by the results column?

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