In this post, you’ll learn more about the Oracle ErrorORA-38771: unnamed datafile(s) added to control file by flashback recovery with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-38771: unnamed datafile(s) added to control file by flashback recovery
Reason for the Error ORA-38771: unnamed datafile(s) added to control file by flashback recovery
The recovery step of FLASHBACK DATABASE encountered the creation of a datafile that could not be added to the control file. An entry has been added to the control file for the new datafile, but with the file name UNNAMEDnnnn, where nnnn is the file number. Related error messages provide the file names that were originally used to create the files.
How to fix the Error ORA-38771: unnamed datafile(s) added to control file by flashback recovery ?
You can fix this error in Oracle by following the below steps
Rename the file in the control file, or use the ALTER ALTER DATABASE CREATE DATAFILE command to create a file suitable for recovery. If the file is not going to be recovered, then take it offline with the FOR DROP option. The recovery step of Flashback can be resumed by entering a RECOVERY command with the same SCN or timestamp as used in the FLASHBACK DATABASE command. For example, RECOVER AUTOMTAIC DATABASE UNTIL CHANGE