Answer Posted / venkatesh.layam
proc sql is sql in sas.
with proc sql,we can do many more tasks.
-retrive the data from tables,from data bases
-merge the datasets or tables.
-by using different joins we can combine the data as per
our convinience
-we can create the data ,modify the data
-we can have the discriptive statistics also
-we can sort the data with out using proc sort,just use
order by .
these many tasks can do with in single programme
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