SAS Certified Adv Programmer 50 Questions (47)
The SAS data set Sasdata.Sales has a simple index for the variable Date and a variable named Revenue with no index. In which one of the following SAS programs is the Date index considered for use?
a.
proc print data=sasdata.sales; by date; run;
b.
proc print data=sasdata.sales; where month(date)=3; run;
c.
data march; set sasdata.sales; if '01mar2002'd < date < '31mar2002'd; run;
d.
data march; set sasdata.sales; where date < '31mar2002'd or revenue > 50000; run;
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A