A row is selected based on the inner column object : Nested Object Table « Object Oriented « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. Object Oriented
3. Nested Object Table

SQL>
SQL>
SQL> CREATE Or Replace TYPE AddressType AS OBJECT (
  2    street VARCHAR2(15),
  3    city   VARCHAR2(15),
  4    state  CHAR(2),
  5    zip    VARCHAR2(5)
  6  )
  7  /

Type created.

SQL>
SQL> CREATE Or Replace TYPE PersonType AS OBJECT (
  2    id         NUMBER,
  3    first_name VARCHAR2(10),
  4    last_name  VARCHAR2(10),
  5    dob        DATE,
  6    phone      VARCHAR2(12),
  7    address    AddressType
  8  )
  9  /

Type created.

SQL>
SQL> CREATE TABLE object_customers OF PersonType
  2  /

Table created.

SQL>
SQL> INSERT INTO object_customers VALUES (
  2    PersonType(1, 'John', 'White', '04-FEB-1945', '800-555-5555',
  3      AddressType('2 Ave', 'City', 'AA', '12345')
  4    )
  5  );

1 row created.

SQL>
SQL> INSERT INTO object_customers (
  2    id, first_name, last_name, dob, phone,
  3    address
  4  ) VALUES (
  5    2, 'James', 'Green', '05-FEB-1968', '800-555-4444',
  6    AddressType('3 Ave', 'Town', 'CC', '12345')
  7  );

1 row created.

SQL>
SQL>
SQL> select * from object_customers;

 ID FIRST_NAME           LAST_NAME            DOB       PHONE             ADDRESS(STREET, CITY, STATE, ZIP)
--------------------------------------------------------------------------
  1 John                 White                04-FEB-45 800-555-5555      ADDRESSTYPE('2 Ave', 'City', 'AA', '12345')

  2 James                Green                05-FEB-68 800-555-4444      ADDRESSTYPE('3 Ave', 'Town', 'CC', '12345')


SQL>
SQL> SELECT *
  2  FROM object_customers oc
  3  WHERE oc.address.state = 'MA';

no rows selected

SQL>
SQL>
SQL> drop table object_customers;

Table dropped.

SQL> drop type persontype;

Type dropped.

SQL> drop type addresstype;

Type dropped.

SQL>