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At compile time when a SAS data set is read, what items are
created?
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Answer Posted / ch .sumalatha
when the sas dataset read pdv will create.input buffer
creates only at the time of reading raw datafile.at the
time of creation of pdv --data portion ,and discripter
portion created.at this time data will read and start the
iteration of the data step .at the same time _n _ and
_error_ are created.
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