* 출처 : http://cafe.daum.net/statsas/3F8j/150
* dictionary 테이블에서 "Class" 테이블의 변수명을 정렬;
proc sql noprint;
select strip(name) into :vars separated by ' '
from dictionary.columns
where libname=upcase("sashelp")
and memname=upcase("class")
order by 1;
quit;
%put &vars;
* Retain 문장을 사용하여 변수 재배열;
data back;
retain &vars.;
set sashelp.class;
run;
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