1. Log into the Enterprise Manager as SYS, connecting AS SYSDBA.
2. Go to the "Availability" tab.
3. Click "View and Manage Transactions".
4. Enter 'HR' in the DB User field.  Click [Continue].
5. Click the Transaction ID of HR's most recent transaction.
6. On the Transaction Details page, click [Flashback Transaction].  Click
   [Yes] on the Confirmation page.
7. Click [Show Undo SQL Script] and review the undo SQL.  Click [OK].
8. Click [Finish].
