ORA-01110: data file string: ‘string’
Cause: Reporting file name for details of another error
Action: See associated error message
Solution: Verify this Problem
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ORA-01109: database not open
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-01108: file string is in backup or media recovery
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-01107: database must be mounted for media recovery
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-01106: database must be closed before dismounting
ORA-01106: database must be closed before dismounting
Cause: Obvious
Action: none
ORA-01105: mount is incompatible with mounts by other instances
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-01104: number of control files (string) does not equal string
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-01103: database name ‘string’ in control file is not ‘string’
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-01102: cannot mount database in EXCLUSIVE mode
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-01101: database being created currently mounted by some other instance
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.