SQL>
SQL> create or replace package pkg_subtype is
2 subtype fullName is VARCHAR2(61);
3 end pkg_subtype;
4 /
Package created.
SQL> declare
2 v_fullName_sty pkg_subtype.fullName;
3 begin
4 v_fullName_sty := 'M C';
5 end;
6 /
PL/SQL procedure successfully completed.
SQL>