Select an individual column object from a table : Select « Object Oriented « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. Object Oriented
3. Select

SQL>
SQL> CREATE Or Replace TYPE ProductType AS OBJECT (
  2    id          NUMBER,
  3    name        VARCHAR2(15),
  4    description VARCHAR2(22),
  5    price       NUMBER(5, 2),
  6    days_valid  NUMBER
  7  );
  8  /

Type created.

SQL>
SQL> CREATE TABLE products (
  2    product           ProductType,
  3    count NUMBER
  4  );

Table created.

SQL>
SQL> INSERT INTO products (product,count) VALUES (
  2            ProductType(1, 'AA', 'BBB', 3.95, 10),50
  3  );

1 row created.

SQL>
SQL> INSERT INTO products (product,count) VALUES (
  2            ProductType(2, 'CC', 'DDDD', 2.99, 5),25
  3  );

1 row created.

SQL>
SQL> SELECT p.product
  2  FROM products p
  3  WHERE p.product.id = 1;

PRODUCT(ID, NAME, DESCRIPTION, PRICE, DAYS_VALID)
---------------------------------------------------
PRODUCTTYPE(1, 'AA', 'BBB', 3.95, 10)

SQL>
SQL> drop table products;

Table dropped.

SQL>