October 2019
Intermediate to advanced
430 pages
19h 4m
English
proc sql nodup;
select membertype
from certadv.frequentflyers;
quit;
proc sql;
select distinct(membertype) as MemberType
from certadv.frequentflyers;
quit;
proc sql;
select unique membertype
from certadv.frequentflyers
group by membertype;
quit;
proc sql;
select distinct membertype
from certadv.frequentflyers;
quit;
WHERE address is missing