Object Oriented Oracle PLSQL Tutorial

In the object table, where each attribute becomes a column.
Each row in the object table contains a unique object identifier.

SQL> create or replace type employeeType is object (
  2      empNo    NUMBER,
  3      eName    VARCHAR2(10),
  4      job      VARCHAR2(9),
  5      mgr      NUMBER,
  6      hireDate DATE,
  7      sal      NUMBER,
  8      comm     NUMBER,
  9      deptNo   NUMBER
 10  )
 11  /
Type created.
SQL>
SQL> create table t_emp of employeeType;
Table created.
SQL>
SQL> drop table t_emp;
Table dropped.
SQL> drop type employeeType;
Type dropped.
SQL>