Create a symbolic link to your datafile with the original name. Now you when is fighting is magic coming out no longer going to get errors. However, if your cojing goes down now, you will lose that datafile for good. Phase 2: restore the file ARCHIVELOG seeking employment cover letter
(Optional. This is to reduce the recovery time when bringing the file online, depending on activity for that datafile. Backup the datafile with rman. Total downtime is about one second for inactive datafiles, and more for active ones (with writes).