Suppose a transaction is written in C with embedded SQL, and about 80 percent of the time is spent in the SQL code, with the remaining 20 percent spent in C code. How much speedup can one hope to attain if parallelism is used only for the SQL code? Explain.
Answer to relevant QuestionsWhat are the factors that can work against linear scaleup in a transaction processing system? Which of the factors are likely to be themost important in each of the following architectures: shared memory, shared disk, and ...How might a distributed database designed for a local-area network differ from one designed for a wide-area network?Give an example where the read one, write all available approach leads to an erroneous state.For each of the strategies of Exercise 19.18, state how your choice of a strategy depends on:a. The site at which the querywas enteredb. The site at which the result is desiredGive an example of a join that is not a simple equi-join for which partitioned parallelism can be used.What attributes should be used for partitioning?
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