ROLLBACK WORK ;

Additional information available:

WORK

More Information

 The ROLLBACK statement ends a transaction and undoes all changes
 that have been made to the database since that transaction
 began.  The ROLLBACK statement also:

  o  Closes all open cursors

  o  Releases all locks

 The ROLLBACK statement affects:

  o  All open databases included in the current transaction

  o  All changes to data made with SQL data manipulation
     statements (DELETE, UPDATE, and INSERT)

  o  All changes to data definitions made with SQL data
     definition statements (ALTER, CREATE, DROP, GRANT, REVOKE
     and COMMENT ON)

 An optional keyword that has no effect on the ROLLBACK
 statement.