Hello Chris, Thanks for the reply. I have a question (or confusion) w.r.t. real time definition here. In my view, SAS has its Real World defined in terms of Code, CPUs, Memory, Network, Hardware etc. which in turn may be interacting with system say an Oracle database which has similar Real World. So, please correct me If I am wrong. I interpreted your answer as... Real World is - When a user's program gets executed on SAS system and assume it is creating and printing a SAS DataSet by fetching some data from an Oracle database, then real world time means the total turn around time for the entire operation including Compile time, Syntax checking, Memory allocation, data set creation and so on until data is being printed and displayed to the user. CPU Time is - For this entire set of activities, how much time is taken by CPU only? But isn't everything needs a CPU time? Please guide. Thanks -Sandeep
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