Question 14:
data sasuser.ranch sasuser.condo / view=sasuser.ranch;
set sasuser.houses;
if style=‘RANCH' then output sasuser.ranch;
else if sytle='CONDO' then output sasusesr.condo;
run;
为什么:the view sasuser.ranch must be processed before sasuser.condo is
created?
而且每次运行
proc print data=sasuser.ranch; run;
的时候,sasuser.condo都被自动更新了。