: SQL> select pkg_test.f_right_now, pkg_test.f_max_datum from dual; select pkg_test.f_right_now, pkg_test.f_max_datum from dual                              * ERROR at line 0: ORA-00000: table or view does not exist ORA-00000: at "SCOTT.PKG_TEST", line 00  SQL> select pkg_test.f_right_now from dual;  F_RIGHT_NO ---------- 0000-00-00  SQL>  SQL> select pkg_test.f_right_now, pkg_test.f_max_datum from dual; select pkg_test.f_right_now, pkg_test.f_max_datum from dual                              * ERROR at line 0: ORA-00000: table or view does not exist ORA-00000: at "SCOTT.PKG_TEST", line 00  SQL> 