Oracle Database Errors or Warnings from Error ORA-01101 to ORA-01110

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ORA-01101: database being created currently mounted by some other instance
Cause: Some other instance has the database of same name currently mounted and you are trying to create it.
Action: Either change the database name or shutdown the other instance.
ORA-01102: cannot mount database in EXCLUSIVE mode
Cause: Some other instance has the database mounted exclusive or shared.
Action: Shutdown other instance or mount in a compatible mode.
ORA-01103: database name ‘string’ in control file is not ‘string’
Cause: The database name in the control file does not match your database name.
Action: Either find the correct control file or change your database name.

ORA-01104: number of control files (string) does not equal string
Cause: The number of control files used by this instance disagrees with the number of control files in an existing instance.
Action: Check to make sure that all control files are listed.
ORA-01105: mount is incompatible with mounts by other instances
Cause: An attempt to mount the database discovered that another instance mounted a database by the same name, but the mount is not compatible. Additional errors are reported explaining why.
Action: See accompanying errors.
ORA-01106: database must be closed before dismounting
Cause: Obvious
Action: None

ORA-01107: database must be mounted for media recovery
Cause: An attempt to perform media recovery was made but the database is not mounted.
Action: Mount the database.
ORA-01108: file string is in backup or media recovery
Cause: Either media recovery is actively being applied to the file, or it is being backed up while the database is in NOARCHIVELOG mode. It cannot be used for normal database access or crash recovery.
Action: Complete or cancel the media recovery session or backup.
ORA-01109: database not open
Cause: A command was attempted that requires the database to be open.
Action: Open the database and try the command again
ORA-01110: data file string: ‘string’
Cause: Reporting file name for details of another error. The reported name can be of the old file if a data file move operation is in progress.
Action: See associated error message.

Above are list of Oracle Database Errors or Warnings from Error ORA-01101 to ORA-01110 received while performing certain operation against Oracle Database or related products.

What are Oracle Database Error Messages?

Oracle Error Messages may be returned while using products which are part of Oracle Database.  Each Oracle Database Error or Warning Message mentioned above contains the Warning or Error Message Statement, a short explanation of the probable causes of the Error message, and a recommended action.

Hope this was helpful.

Thanks,
SQLServerF1 Team
Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.

 

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