Date Timezone Oracle PLSQL

SQL>
SQL> --TIMESTAMP WITH TIME ZONE type extends TIMESTAMP to allow you to store a time zone.
SQL>
SQL>
SQL> CREATE TABLE purchases_timestamp_with_tz (
  2    product_id INTEGER,
  3    customer_id INTEGER,
  4    made_on TIMESTAMP(4) WITH TIME ZONE
  5  );
Table created.
SQL>
SQL> desc purchases_timestamp_with_tz;
 Name                                                                                                  Null?    Type
 ----------------------------------------------------------------------------------------------------- -------- --------------------------------------------------------------------
 PRODUCT_ID                                                                                             NUMBER(38)
 CUSTOMER_ID                                                                                            NUMBER(38)
 MADE_ON                                                                                                TIMESTAMP(4) WITH TIME ZONE
SQL>
SQL> drop table purchases_timestamp_with_tz;
Table dropped.
SQL>
SQL>