ORA-01258 unable to delete temporary file string

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ORA-01258 unable to delete temporary file string


 Cause: A DROP TABLESPACE INCLUDING CONTENTS AND DATAFILES or ALTER DATABASE TEMPFILE DROP INCLUDING DATAFILES operation was not able to delete a temporary file in the database.
 
  Action: Subsequent errors describe the operating system error that prevented the file deletion. Fix the problem, if possible, and manually purge the file.

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