SQL> -- Use discrete attribute names
SQL>
SQL> CREATE OR REPLACE TYPE address_obj as OBJECT(
2 street VARCHAR2(20),
3 city VARCHAR2(20),
4 state CHAR(2),
5 zip CHAR(5));
6 /
Type created.
SQL>
SQL>
SQL> CREATE TABLE emp (empno NUMBER(3),
2 name VARCHAR2(20),
3 address ADDRESS_OBJ);
Table created.
SQL>
SQL>
SQL> INSERT INTO emp VALUES (101, 'Adam', ADDRESS_OBJ('1 A St.','Mobile','AL','36608'));
1 row created.
SQL>
SQL> COLUMN name FORMAT a9
SQL> COLUMN empno FORMAT 999999
SQL> COLUMN address FORMAT a50
SQL>
SQL>
SQL> SELECT empno, name, address FROM emp;
EMPNO NAME ADDRESS(STREET, CITY, STATE, ZIP)
------- --------- --------------------------------------------------
101 Adam ADDRESS_OBJ('1 A St.', 'Mobile', 'AL', '36608')
SQL>
SQL>
SQL> drop table emp;
Table dropped.
SQL>
SQL>
SQL>