* Continents2 Example
  Perform various database operations
  using baase SAS statements.
  In particular, proc datasets is used;

options ls=64 nodate pageno=1;

data popul1;
   infile "c:/datasets/popul.txt" firstobs=3;
   input continent $ 1-15 total_pop 17-26;

proc print data=popul1;
   var continent total_pop;
   title "Display dataset popul1";
   format total_pop COMMA14.;
 
data popul2;
   set popul1;
   drop continent;

proc print data=popul2;
   var total_pop;
   title "Display dataset popul2";

proc datasets;
   modify popul2;
   rename total_pop = pop;

proc print data=popul2;
      
proc datasets;
   delete popul2;

proc print data=popul2;

run;
quit;