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SQL> -- SELECTing Only One Column in the Composite
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> 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 name, e.address.city FROM emp e;
NAME ADDRESS.CITY
--------- --------------------
Adam Mobile
SQL>
SQL>
SQL> drop table emp;
Table dropped.
SQL>
SQL>
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