Question: Some database operations such as joins can see a significant difference in speed when data (e.g., one of the relations involved in a join) fits

Some database operations such as joins can see a significant difference in speed when data (e.g., one of the relations involved in a join) fits in memory as compared to the situation where the data do not fit in memory. Show how this fact can explain the phenomenon of super linear speedup, where an application sees a speedup greater than the amount of resources allocated to it.

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