This script demonstrates complex objects : Object « Object Oriented Database « Oracle PL / SQL






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

This script demonstrates complex objects

    

SQL>
SQL>
SQL> CREATE OR REPLACE TYPE PriceType AS OBJECT (
  2     discount_rate  NUMBER(10,4),
  3     price          NUMBER(10,2),
  4
  5     MEMBER FUNCTION discount_price RETURN NUMBER)
  6  INSTANTIABLE
  7  FINAL;
  8  /

Type created.

SQL>
SQL>
SQL> CREATE OR REPLACE TYPE inventory_obj AS OBJECT (
  2     item_id        NUMBER(10),
  3     num_in_stock   NUMBER(10),
  4     reorder_status VARCHAR2(20),
  5     price       REF   PriceType);
  6  /

Type created.

SQL>








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15.PriceType becomes the datatype of the price attribute in the ProductType object type
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