Bases de Datos
ORA-01151: use media recovery to recover block, restore backup if needed
Cause: Error 1172 occurred.
Action: This is additional information for error 1172.
ORA-01158: database string already mounted
Cause: Another instance has a database by this name mounted.
Action: Find which instance is still running. Perhaps you have not lost the control files after all.
ORA-01159: file is not from same database as previous files - wrong database id
ORA-01160: file is not a string
Cause: The named file in the DATAFILE or LOGFILE section of the CREATE CONTROLFILE command does not appear to be as stated.
Action: Please double check the mentioned file.
ORA-01161: database name string in file header does not match given name of string
Cause: The database name given at the command line does not match the database name found in the file header.
Action: Chance are good that the database name specified at the command line is incorrect. Resolve the descepency, and resubmit the command. If you are attempting to change the database name, be sure to use the SET DATABASE option.