Vertical scale up and horizontal scale out

Distinguish between the vertical scale up and the Horizontal scale out.

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a) Vertical scale up gives more resources to the single computational unit, however the horizontal scale out offers the additional computational unit and run them in the parallel.

b) Vertical scale up offers a provision to move the workload to other system which do not have workload, however the horizontal scale out split the workload among several computational units.

c) Vertical scale up doesn't have the database partitioning the concept, however the horizontal scale out offers the database partitioning.

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