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charle [14.2K]
3 years ago
3

If relation R and relation S are both 32 pages and round-robin partition over 2 machines with 4 buffer pages each, what is the n

etwork cost (number of bytes sent over the network by any machine) for performing a sort-merge join in the worst case
Computers and Technology
1 answer:
wolverine [178]3 years ago
5 0

Answer:

224

Explanation:

There's need for us to read the data from disk after which we now stream the data to the appropriate machine, the machine will then performs a sort-merge join between two 16page relations with 4 buffer pages.

So, this Will be = (1 + 6) * (16 + 16) = 224 I/Os per machine.

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Answer: one field copy gets generated in memory

Explanation:

When a field is declared static,it will become common for entire class instances. Single copy of field that gets created for the particular class where numerous instances present in that class can use it by sharing .

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Answer:

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Explanation:

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