ORA-01103: database name ‘MW’ in control file is not ‘MWTST’

This error most likely occurred when you duplicated a database and the DB_NAME parameter in spfile is not matching the one in the control file. Sometimes it so happened that after duplicating the database name in SPFILE with which you started the instance with is not matching the one in the control file. Explanation: ===================== … Continue reading ORA-01103: database name ‘MW’ in control file is not ‘MWTST’