Answer / dhasani

dsn=&&dsname or By not giving data set name.

Answer / nisha

1.when no DSN is given the system automatically allocates temp data.
2.when DSN=NULLFILE is specified
3.DSN=&&temp
use:
the temp data uses space only during its execution
so, wastage of space can be avoided

Answer / guest

by using the symbolic parameter we can create temporary data
set.the temporary dataset is used for storing the sorted
records before it store into the output file..

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