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Performance Issue (Proc SQL)

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Performance Issue (Proc SQL)

I have a dataset with arround 400 variables and it has 3 lakh records
i want to calculate all variables unique count,

i have used
proc sql; distinct count

but it is taking too much time that is around 1hr 20min

can anybody help me in this?
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Posts: 2,113

Re: Performance Issue (Proc SQL)

You have probably run out of memory (or run up against the OS limit) and it is swapping to disk; SQL has to hold all of the results in memory. Better to break the query into pieces or use PROC FREQ (though you still may run out of memory) as described to you last month
http://support.sas.com/forums/message.jspa?messageID=17830#17830
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