Suppose you were in charge of the database operations of a company whose main job is to process transactions. Suppose the company is growing rapidly each year, and has outgrown its current computer system. When you are choosing a new parallel computer, what measure is most relevant—speedup, batch scaleup, or transaction scaleup why?
Answer to relevant QuestionsSuppose 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 ...Explain how the following differ: fragmentation transparency, replication transparency, and location transparency.The persistent messaging scheme described in this chapter depends on timestamps combined with discarding of received messages if they are too old. Suggest an alternative scheme based on sequence numbers instead of timestamps.Consider the relations employee (name, address, salary plant-number) machine (machine-number, type plant-number) Assume that the employee relation is fragmented horizontally by plant-number, and that each fragment is stored ...With pipelined parallelism, it is often a good idea to perform several operations in a pipeline on a single processor, even when many processors are available.a. Explain why.b. Would the arguments you advanced in part a hold ...
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