The following is the ORA-00058 error message, you can learn the cause and solution of the Oralce error.


ORA-00058 DB_BLOCK_SIZE must be string to mount this database (not string)

Cause: The value of the DB_BLOCK_SIZE initialization parameter used to start this database does not match the value used when that database was created. Potential reasons for this mismatch are:

  • mounting the wrong database
  • using the wrong initialization parameter file
  • the value of the DB_BLOCK_SIZE parameter was changed

Solution: For one of the above causes, either:

  • mount the correct database
  • use the correct initialization parameter file
  • correct the value of the DB_BLOCK_SIZE parameter
Case:

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