Global symbol "$dbh" requires explicit package name at comb1.pl line 13.
Global symbol "$dbh" requires explicit package name at comb1.pl line 14.
Global symbol "@row" requires explicit package name at comb1.pl line 16.
Global symbol "$values" requires explicit package name at comb1.pl line 18.
Global symbol "@row" requires explicit package name at comb1.pl line 18.
Global symbol "@row" requires explicit package name at comb1.pl line 19.