In this sas query:
select col1, count(distinct col2) as cnt from table1 group by col1;
If there are two values of col2 for the same col1, the cnt =2 which is correct. But if one of those 2 values is null, the cnt = 1. i.e it does not consider null as a distinct value. How to rewrite the query so null is considered a distinct value?
Missing isn't a distinct value per se. Add a count(missing(col2)) as NullCount or similar (untested)
or count(distinct col2) + count(missing(col2)) as cnt.
Missing isn't a distinct value per se. Add a count(missing(col2)) as NullCount or similar (untested)
or count(distinct col2) + count(missing(col2)) as cnt.
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