Question: If a parallel data - store is used to store two relations r and s and we need to join r and s , it

If a parallel data-store is used to store two relations r and s and we need to join r
and s, it may be useful to maintain the join as a materialized view. What are the
benefits and overheads in terms of overall throughput, use of space, and
response time to user queries? Explain in detail

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