Use type Constructor to insert data to object table : Constructor « Object Oriented Database « Oracle PL / SQL






  1. Oracle PL / SQL
  2. Object Oriented Database
  3. Constructor

Use type Constructor to insert data to object table

   
SQL>
SQL> create or replace type address_type
  2    as object
  3    ( city    varchar2(30),
  4      street  varchar2(30),
  5      state   varchar2(2),
  6      zip     number
  7    )
  8  /

Type created.

SQL> create or replace type person_type
  2    as object
  3    ( name             varchar2(30),
  4      dob              date,
  5      home_address     address_type,
  6      work_address     address_type
  7    )
  8  /

Type created.

SQL>
SQL>
SQL> create table people1 of person_type
  2  /

Table created.

SQL>
SQL>
SQL> desc people1
 Name                                                                                Null?    Type
 ----------------------------------------------------------------------------------- -------- --------------------------------------------------------
 NAME                                                                                         VARCHAR2(30)
 DOB                                                                                          DATE
 HOME_ADDRESS                                                                                 ADDRESS_TYPE
 WORK_ADDRESS                                                                                 ADDRESS_TYPE

SQL>
SQL>
SQL> insert into people1 values ( 'Tom', '15-mar-1965',
  2    address_type( 'Reston', '123 Main Street', 'Va', '45678' ),
  3    address_type( 'Redwood', '1 Oracle Way', 'Ca', '23456' ) );

1 row created.

SQL> /

1 row created.

SQL>
SQL>
SQL> select name, p.home_address.city from people1 p;
NAME                 HOME_ADDRESS.CITY
-------------------- ------------------------------
Tom                  Reston
Tom                  Reston

2 rows selected.

SQL>
SQL> drop table people1;

Table dropped.

SQL> drop type person_type;

Type dropped.

SQL> drop type address_type;

Type dropped.

SQL> --








Related examples in the same category

1.Insert value with constructor method
2.Call object constructor in an insert statement
3.Use constructor to create new objects
4.This script builds a sample object type with constructor.
5.This script demonstrates the user-defined constructor method.
6.Demonstrates object initialization.