Select first fast Query in MSD axapta


     panauthormaster authormaster;  
     int i;  
      ;  
     select authormaster order by authormaster.BookID;  
     i=authormaster.BookID;  
     print(i);  
     select firstfast authormaster order by authormaster.BookID;  
     i=authormaster.BookID;  
     print(i);  
     select firstonly authormaster order by authormaster.BookID;  
     i=authormaster.BookID;  
     print(i);  
     select forceliterals authormaster order by authormaster.BookID;  
     i=authormaster.BookID;  
     print(i);  
     pause;