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Question

How does adaptive merging improve over plain cracking in terms of convergence speed?

a.

It reduces the number of queries needed to reach performance levels.

b.

It significantly increases the size of the initial runs.

c.

It applies a binary search to the initial runs.

d.

It aggressively sorts the results column.

Posted under Big Data Computing

Answer: (a).It reduces the number of queries needed to reach performance levels. Explanation:Adaptive merging improves over plain cracking in terms of convergence speed by reducing the number of queries needed to reach performance levels.

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Q. How does adaptive merging improve over plain cracking in terms of convergence speed?

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