NESTED Tables for Sub-types when creating table for Super-type

Question

If I create the following types, as an example:
Person with subtypes: Employee and Customer
Appointment
CREATE OR REPLACE TYPE Person_OT AS OBJECT (
person#                         NUMBER,
personSurname                    VARCHAR2(50),
personForenames               VARCHAR2(50),
personDateOfBirth               DATE,
personAddress                    Address_OT,
) NOT FINAL ;
CREATE OR REPLACE TYPE Employee UNDER Person_OT (
empSalary               NUMBER,
empNoSales          NUMBER,
makes               Appointment_List_OT
) FINAL ;
CREATE OR REPLACE TYPE Appointment_OT AS OBJECT (
some attributes
CREATE OR REPLACE TYPE Appointment_List_OT AS TABLE OF REF Appointment_OT ;
When creating the table to hold objects of Person type, how can the requisite nested table for representing 'makes' be declared? The below approach is not correct, however the table will not compile without naming the nested tables.
CREATE TABLE Person_TBL OF Person_OT (
Person#     PRIMARY KEY)
NESTED TABLE makes STORE AS Appointment_List_NTBL;
Advice very much appreciated!

Answer 1

CREATE TABLE Person_TBL OF Person_OT(
Person# PRIMARY KEY)
NESTED TABLE TREAT(SYS_NC_ROWINFO$ AS EMPLOYEE).MAKES STORE AS Appointment_List_NTBL
Table created.
SQL> select * from user_nested_tables
  2  /
TABLE_NAME                     TABLE_TYPE_OWNER
TABLE_TYPE_NAME                PARENT_TABLE_NAME
PARENT_TABLE_COLUMN
STORAGE_SPEC                   RETURN_TYPE          ELEMENT_SUBSTITUTABLE
APPOINTMENT_LIST_NTBL          SCOTT
APPOINTMENT_LIST_OT            PERSON_TBL
TREAT(SYS_NC_ROWINFO$ AS "SCOTT"."EMPLOYEE")."MAKES"
                       DEFAULT                VALUE                         N
SQL>  SY.