How to fix the Oracle error ORA-38869: datafile string has been restored from an RMAN backup with undo block compression.?

In this post, you’ll learn more about the Oracle ErrorORA-38869: datafile string has been restored from an RMAN backup with undo block compression. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-38869: datafile string has been restored from an RMAN backup with undo block compression.

Reason for the Error ORA-38869: datafile string has been restored from an RMAN backup with undo block compression.

Flashback Database could not flash back the database because a file was restored from an RMAN backup with undo block compression, and the Flashback target was to a time when the missing undo may be needed to open the database.

How to fix the Error ORA-38869: datafile string has been restored from an RMAN backup with undo block compression. ?

You can fix this error in Oracle by following the below steps

Restore an earlier backup of the file and retry the command or Flashback to a later time.