> I do get this warning in the log, but I think that's okay?   Probably not. It means that the variable REGEQ3F_QTR from table work.EconVarFile  is dropped when you join the tables:   proc sql;     create table temp.RegEq3f_QTR as     select *     from temp.RegEq3f_Output as a, work.EconVarFile as b     where a.datacqtr=b.datacqtr;   quit; If this what you want? Never leave warnings in the log. Never.   ... View more