Try Export all code in project flow option and see the sequence of programs. Some programs might run in fraction of seconds that you can't visually see in process flow (Yellow & Green color).  ... View more

Which version of EG are you running?  And could you supply a screen capture of what you're seeing? ... View more

Hi,   PROC APPEND might not work for you, because when you have extra variable in data=table2 that are not in base=table1 FORCE option concatenates and drops the extra variables. Missing values will be assigned to variables that are in base=table1 but not in data=table2. I suggest you using proc sql set operator OUTER UNION CORR or Data step SET statement.    When you are using PROC APPEND with FORCE keep in mind that dropping/truncating might occur.   Check PROC APPEND vs OUTER UNION vs SET statement results here:   data allvars; set sashelp.class (obs=5); run; data onevar (keep= name_ age); set sashelp.class (obs=5 rename=(name=name_)); run; proc append base=onevar data=allvars force ; run; proc print data=onevar; run; proc sql; create table allvars_ as select * from allvars outer union corr select * from onevar; quit; data allvars; set allvars onevar; run;   ... View more