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Continue to ChatORA-00226 Operation disallowed while alternate control file open https://databaseinternalmechanism.com/2020/03/13/ora-00226-operation-disallowed-while-alternate-control-file-open/
ORA-00226 Operation disallowed while alternate control file open https://databaseinternalmechanism.com/2020/03/13/ora-00226-operation-disallowed-while-alternate-control-file-open/