Oracle Error ORA-01111: name for data file string is unknown – rename to correct file

Oracle Error Message

ORA-01111: name for data file string is unknown – rename to correct file

Reason for the Error

The data file was missing from a CREATE CONTROLFILE command or backup control file recovery was done with a control file that was saved before the file was created.

Solution

Rename the MISSING file to the name of the real file.

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