If it is required that the data loaded using the
NOLOGGING option needs to be recovered in the case of a disaster situation, your only solution is making a backup as soon as the NOLOGGING operation is made. Otherwise, the data cannot be recovered in the event of a media failure because it has not been logged.
Sometimes you will not be able to run a full backup of the database until later in the day. In this situation, you can make use of the following strategies:
NOLOGGINGis complete, you must at least perform a hot backup of the datafiles in which the objects are located. Remember that your database continues generating ...