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Question

Why is fault tolerance important in a data warehousing environment with parallel processing?

a.

To improve query processing speed

b.

To ensure all queries are executed in parallel

c.

To maintain database availability even when some parallel processors fail

d.

To consolidate query results effectively

Answer: (c).To maintain database availability even when some parallel processors fail Explanation:Fault tolerance is essential to ensure that the database remains available even when some of the parallel processors fail.

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Q. Why is fault tolerance important in a data warehousing environment with parallel processing?

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