Build data type with another user type

    

SQL> create or replace type address_type as object
  2  ( city    varchar2(30),
  3    street  varchar2(30),
  4    state   varchar2(2),
  5    zip     number
  6  )
  7  /


SQL> create or replace type person_type as object
  2  ( name             varchar2(30),
  3    dob              date,
  4    home_address     address_type,
  5    work_address     address_type
  6  )
  7  /

Type created.

SQL> create table people of person_type
  2  /

Table created.

SQL>
SQL> select sys_nc_rowinfo$ from people;

no rows selected

SQL>
SQL> drop table people;

Table dropped.

SQL>
SQL>

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Build data type with another user type : Object « Object Oriented Database « Oracle PL / SQL

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