Hello Jaap Thanks for the reply. I have started with the base SAS, and after getting a good understanding of sas coding, then only I jumped on to SAS DI, not before that. Yes I know to compress a physical table, or to set readbuf size or insertbuf and all the performance enhancing settings. But my question is very simple. If I run a job, or a code, SAS creates a work library which is session oriented and by default all the data sets which we create like Data temp ; Will be created and read as work .temp Now I know that when ever a session starts, autoexec.sas initializes the session and it creates a work library for us. This is done by workinit system option I guess. But I have gone through many documents, but none mention that how it is deleted if a session closed neatly and resides if it is not. I hope now I made my query clear.
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